41554 blogs · [ { "id": "01a08796-c262-7280-8b77-5a903761e8b7", "title": "To Lead or be Exclusive... for Pedestrians at a Traffic Signal", "url": "http://koonceportland.blogspot.com/2025/07/to-lead-or-be-exclusive-for-pedestrians.html", "published_at": "2025-07-10T01:48:00+00:00" }, { "id": "01a08796-c263-730e-953b-254e9e688d6a", "title": "Response to: Traffic Engineers Are Wasting Trillions and what we need to do about it", "url": "http://koonceportland.blogspot.com/2025/06/response-to-traffic-engineers-are.html", "published_at": "2025-06-25T23:42:00+00:00" }, { "id": "01a08796-c263-730e-953b-254e9eb09725", "title": "Bicycle signing/markings and traffic signals on the ITE Community", "url": "http://koonceportland.blogspot.com/2025/05/bicycle-signingmarkings-and-traffic.html", "published_at": "2025-05-06T23:43:00+00:00" }, { "id": "01a08796-c263-730e-953b-254e9efe6dc8", "title": "Killed by a Traffic Engineer - Book Review", "url": "http://koonceportland.blogspot.com/2024/06/killed-by-traffic-engineer-book-review.html", "published_at": "2024-06-10T21:59:00+00:00" }, { "id": "01a08796-c263-730e-953b-254e9fa2a8b3", "title": "New MUTCD and the Safe Systems Approach", "url": "http://koonceportland.blogspot.com/2023/12/new-mutcd-and-safe-systems-approach.html", "published_at": "2023-12-20T22:47:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea00c61a2", "title": "Response to America Has No Transportation Engineers", "url": "http://koonceportland.blogspot.com/2023/01/response-to-america-has-no.html", "published_at": "2023-01-24T16:25:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea09e3f93", "title": "incorporating walking and biking into Traffic Impact Studies", "url": "http://koonceportland.blogspot.com/2019/04/incorporating-walking-and-biking-into.html", "published_at": "2019-04-11T21:44:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea1072c1f", "title": "Understanding Dutch Design by Visiting Rijswijk, a suburb of The Hague", "url": "http://koonceportland.blogspot.com/2017/07/understanding-dutch-design-by-visiting.html", "published_at": "2017-07-10T11:54:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea19731e7", "title": "PSU Study Abroad Visit to Gemeente Delft", "url": "http://koonceportland.blogspot.com/2017/07/psu-study-abroad-visit-to-gemeente-delft.html", "published_at": "2017-07-10T10:22:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea1ebbd1f", "title": "rEvolving Transportation", "url": "http://koonceportland.blogspot.com/2015/11/it-was-another-successful-year-in.html", "published_at": "2015-11-18T05:55:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea24c8dac", "title": "NACTO 2015 Conference in Austin, TX", "url": "http://koonceportland.blogspot.com/2015/11/nacto-2015-conference-in-austin-tx.html", "published_at": "2015-11-01T18:58:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea2788a55", "title": "History of Traffic Signals in Portland", "url": "http://koonceportland.blogspot.com/2015/08/history-of-traffic-signals-in-portland.html", "published_at": "2015-08-07T16:09:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea29ed92e", "title": "A Vision Zero Community: Houten", "url": "http://koonceportland.blogspot.com/2015/07/a-vision-zero-community-houten.html", "published_at": "2015-07-15T10:10:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea39a1f88", "title": "Bicycle Oreinted Development: Case Study in Houten", "url": "http://koonceportland.blogspot.com/2015/07/bicycle-oreinted-development-case-study.html", "published_at": "2015-07-15T09:54:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea48b18d8", "title": "Returning to Bicycle Heaven - Houten and South Houten", "url": "http://koonceportland.blogspot.com/2015/07/returning-to-bicycle-heaven-houten-and.html", "published_at": "2015-07-15T09:05:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea515bd1d", "title": "Cycling in the Netherlands by Mark Wagenbuur @BicycleDutch", "url": "http://koonceportland.blogspot.com/2015/07/cycling-in-netherlands-by-mark.html", "published_at": "2015-07-13T14:23:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea5ce54af", "title": "What do Advocates Do? Jeff Rosenblum, Livable Streets", "url": "http://koonceportland.blogspot.com/2015/07/what-do-advocates-do-jeff-rosenblum.html", "published_at": "2015-07-13T08:38:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea6090b2f", "title": "5 Misconceptions in Transportation by Jeff Rosenblum - Livable Streets", "url": "http://koonceportland.blogspot.com/2015/07/5-misconceptions-in-transportation-by.html", "published_at": "2015-07-13T08:33:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea63681a4", "title": "Left Turn Options at Traffic Signals", "url": "http://koonceportland.blogspot.com/2015/07/left-turn-options-at-traffic-signals.html", "published_at": "2015-07-09T07:39:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea63d955b", "title": "Rainbow Crosswalk in Utrecht", "url": "http://koonceportland.blogspot.com/2015/07/rainbow-crosswalk-in-utrecht.html", "published_at": "2015-07-08T10:16:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea6cfb5aa", "title": "Bike Box in Delft on Wateringsevest at Noordeinde", "url": "http://koonceportland.blogspot.com/2015/07/bike-box-in-delft-on-wateringsevest-at.html", "published_at": "2015-07-08T09:55:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea75af935", "title": "Delft Bicycle Parking Garage", "url": "http://koonceportland.blogspot.com/2015/07/delft-bicycle-parking-garage.html", "published_at": "2015-07-08T09:32:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea80005d0", "title": "Bio for Peter Koonce - Updated to 2015", "url": "http://koonceportland.blogspot.com/2015/05/bio-for-peter-koonce-updated-to-2015.html", "published_at": "2015-05-07T05:57:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea83eb553", "title": "Media Quoting What I said in a Webinar", "url": "http://koonceportland.blogspot.com/2015/03/media-quoting-what-i-said-in-webinar.html", "published_at": "2015-03-29T20:21:00+00:00" }, { "id": "01a08796-c263-730e-953b-254ea8561c89", "title": "Clearance Intervals: How Long should a Yellow and Red be?", "url": "http://koonceportland.blogspot.com/2015/03/clearance-intervals-how-long-should.html", "published_at": "2015-03-12T02:48:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9cdccd9a3f", "title": "Sub/Urban & Transportation Related Songs", "url": "http://koonceportland.blogspot.com/2015/02/suburban-transportation-related-songs.html", "published_at": "2015-02-21T07:15:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9cdd7f3c14", "title": "Power & Importance of Research #TRBAM", "url": "http://koonceportland.blogspot.com/2015/01/power-importance-of-research-trbam.html", "published_at": "2015-01-11T21:18:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9cde3cda68", "title": "Comments from Professionals Against Changing the MUTCD", "url": "http://koonceportland.blogspot.com/2015/01/comments-from-professionals-against.html", "published_at": "2015-01-11T16:11:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9cdf278431", "title": "TRB Annual Meeting 2015 papers", "url": "http://koonceportland.blogspot.com/2015/01/trb-annual-meeting-2015-papers.html", "published_at": "2015-01-11T14:56:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9cdf82e39b", "title": "NCUTCD Bicycle Technical Committee Reviews Two Stage Queue Box", "url": "http://koonceportland.blogspot.com/2015/01/ncutcd-bicycle-technical-committee.html", "published_at": "2015-01-09T15:30:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce035c989", "title": "Year in Review 2014 edition - in the Media", "url": "http://koonceportland.blogspot.com/2014/12/year-in-review-2014.html", "published_at": "2014-12-30T05:37:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce132b731", "title": "Bicycle Signals Recommended for Inclusion in next MUTCD", "url": "http://koonceportland.blogspot.com/2014/06/bicycle-signals-recommended-for.html", "published_at": "2014-06-28T21:36:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce1be7a72", "title": "Flexibility in Designing Bicycle Infrastructure", "url": "http://koonceportland.blogspot.com/2014/06/flexibility-in-designing-bicycle.html", "published_at": "2014-06-27T22:24:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce1f1ff85", "title": "Advisory Bike Lanes and the Request to Experiment in Minneapolis - APBP Sharing Information Successfully", "url": "http://koonceportland.blogspot.com/2014/06/advisory-bike-lanes-and-request-to.html", "published_at": "2014-06-27T18:07:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce238c915", "title": "Old Infrastructure in Minneapolis tells our story - Save the Highway Trust Fund?", "url": "http://koonceportland.blogspot.com/2014/06/old-infrastructure-in-minneapolis.html", "published_at": "2014-06-27T02:57:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce30cd602", "title": "Improving the MUTCD by Proposing Language Modifications - Bicycle Detector Symbol Marking", "url": "http://koonceportland.blogspot.com/2014/06/improving-mutcd-by-proposing-language.html", "published_at": "2014-06-25T21:31:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce3b11cd9", "title": "Spacing of Bicycle Shared Lane Markings - NACTO and MUTCD", "url": "http://koonceportland.blogspot.com/2014/06/spacing-of-bicycle-shared-lane-markings.html", "published_at": "2014-06-25T19:44:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce4355ce6", "title": "Bicycle Signals in the MUTCD", "url": "http://koonceportland.blogspot.com/2014/06/bicycle-signals-in-mutcd.html", "published_at": "2014-06-25T16:14:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce511a988", "title": "Rapid Flashing Beacon Research shows Yielding Rates at 80%", "url": "http://koonceportland.blogspot.com/2014/06/rapid-flashing-beacon-research-shows.html", "published_at": "2014-06-25T15:16:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce56435bf", "title": "Introduction on the MUTCD and Thoughts on Uniformity for the APBP", "url": "http://koonceportland.blogspot.com/2014/06/thoughts-on-uniformity-of-mutcd-for-apbp.html", "published_at": "2014-06-25T03:29:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce586bc1f", "title": "Bikeshare Minneapolis: Nice Ride", "url": "http://koonceportland.blogspot.com/2014/06/bikeshare-minneapolis-nice-ride.html", "published_at": "2014-06-25T03:23:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce6164b48", "title": "1st Avenue North Cycletrack in Downtown Minneapolis", "url": "http://koonceportland.blogspot.com/2014/06/1st-avenue-north-cycletrack-in-downtown.html", "published_at": "2014-06-24T14:20:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce70485c5", "title": "Not Street Seats, but Sidewalk Standing Bar in Minneapolis", "url": "http://koonceportland.blogspot.com/2014/06/not-street-seats-but-sidewalk-standing.html", "published_at": "2014-06-24T12:43:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce7ab5828", "title": "A Bicycle Boulevard of Minneapolis", "url": "http://koonceportland.blogspot.com/2014/06/a-bicycle-boulevard-of-minneapolis.html", "published_at": "2014-06-24T05:43:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce7d9e1dd", "title": "Midtown Greenway Rail to Trail - Minneapolis, MN", "url": "http://koonceportland.blogspot.com/2014/06/midtown-greenway-rail-to-trail.html", "published_at": "2014-06-24T05:24:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce8105f24", "title": "NCUTCD Meeting in Minnesota", "url": "http://koonceportland.blogspot.com/2014/06/ncutcd-meeting-in-minnesota.html", "published_at": "2014-06-24T00:35:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce8833335", "title": "Chicago Street Seats and Bike Share Station Integration?", "url": "http://koonceportland.blogspot.com/2014/06/chicago-street-seats-and-bike-share.html", "published_at": "2014-06-20T04:37:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce92c1797", "title": "Potholes of Chicago", "url": "http://koonceportland.blogspot.com/2014/06/potholes-of-chicago.html", "published_at": "2014-06-20T04:25:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce9537fc8", "title": "Bike Traffic Signal Design - NACTO Urban Bikeway Design Guide Research Meeting (Chicago, IL)", "url": "http://koonceportland.blogspot.com/2014/06/chicago-bike-traffic-signal-design.html", "published_at": "2014-06-20T04:17:00+00:00" }, { "id": "01a0bb56-b906-7067-9f00-cf9ce9c2a0bf", "title": "Chicago Bikeway Tour - Initial Takeways & Lessons Learned", "url": "http://koonceportland.blogspot.com/2014/06/chicago-bikeway-tour-review.html", "published_at": "2014-06-19T23:16:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055534974c", "title": "NYC Mixing Zone Concepts", "url": "http://koonceportland.blogspot.com/2014/06/nyc-mixing-zone-concepts.html", "published_at": "2014-06-19T15:39:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b0555c29a56", "title": "Invisible Urbanism - 7 ideas from Portland", "url": "http://koonceportland.blogspot.com/2014/06/invisible-urbanism-7-ideas-from-portland.html", "published_at": "2014-06-09T03:24:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b05561508b2", "title": "What we need to move Transportation forward", "url": "http://koonceportland.blogspot.com/2014/06/what-we-need-to-move-transportation.html", "published_at": "2014-06-03T04:54:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b05564a7bb5", "title": "Bicycle Detection Confirmation \"Blue\" Light", "url": "http://koonceportland.blogspot.com/2014/04/bicycle-detection-confirmation-blue.html", "published_at": "2014-04-10T00:51:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055660de16", "title": "LED Street Lighting in Portland", "url": "http://koonceportland.blogspot.com/2014/03/led-street-lighting-in-portland.html", "published_at": "2014-03-03T23:28:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b05568817ac", "title": "Speed Limits in Cities - ITE Listerv Discussion with Sam Schwartz", "url": "http://koonceportland.blogspot.com/2014/02/speed-limits-in-cities-ite-listerv.html", "published_at": "2014-02-23T17:13:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055763c9c8", "title": "Troubleshooting Traffic Signals with Arrows", "url": "http://koonceportland.blogspot.com/2014/02/troubleshooting-traffic-signals-with.html", "published_at": "2014-02-23T17:09:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055766f4ce", "title": "Peter Koonce Bio", "url": "http://koonceportland.blogspot.com/2014/02/peter-koonce-bio.html", "published_at": "2014-02-15T22:49:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b0557fe9fb2", "title": "Detecting bicycles at traffic signals study", "url": "http://koonceportland.blogspot.com/2014/02/detecting-bicycles-at-traffic-signals.html", "published_at": "2014-02-11T05:08:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055827d607", "title": "NACTO Urban Street Design Guide Webinar, presented by APBP", "url": "http://koonceportland.blogspot.com/2014/01/nacto-urban-street-design-guide-webinar.html", "published_at": "2014-01-24T06:33:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055898f7b5", "title": "What does the Signal Timing described in the NACTO Urban Street Design Guide look like?", "url": "http://koonceportland.blogspot.com/2014/01/what-does-signal-timing-described-in.html", "published_at": "2014-01-24T06:20:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b05592c44dc", "title": "Flashing Yellow Arrows for Protected Permitted Left Turns", "url": "http://koonceportland.blogspot.com/2014/01/flashing-yellow-arrows-for-protected.html", "published_at": "2014-01-23T06:43:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055937f171", "title": "NACTO Urban Street Design Guide Write up on Left Turn Phasing", "url": "http://koonceportland.blogspot.com/2014/01/nacto-urban-street-design-guide-write.html", "published_at": "2014-01-23T04:54:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055a06a31e", "title": "Traffic Signal Systems Committee Meeting Agenda", "url": "http://koonceportland.blogspot.com/2014/01/traffic-signal-systems-committee.html", "published_at": "2014-01-06T17:25:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055a3d4aa5", "title": "Accomplishments Related to Bicycles in Portland", "url": "http://koonceportland.blogspot.com/2013/11/accomplishments-related-to-bicycles-in.html", "published_at": "2013-11-28T00:51:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055a565a44", "title": "Design Details for People on Bicycles", "url": "http://koonceportland.blogspot.com/2013/10/design-details-for-people-on-bicycles.html", "published_at": "2013-10-11T00:02:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055a7b7458", "title": "Signal Timing Manual, 2nd Edition editing - Benefits of short cycle lengths", "url": "http://koonceportland.blogspot.com/2013/09/signal-timing-manual-2nd-edition.html", "published_at": "2013-09-29T22:40:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055b5100e2", "title": "Walk + Bike to School Day Flyer", "url": "http://koonceportland.blogspot.com/2013/09/walk-bike-to-school-day-flyer_23.html", "published_at": "2013-09-24T05:59:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055c4c3240", "title": "Serious Cargo Bikes in Beijing", "url": "http://koonceportland.blogspot.com/2013/09/serious-cargo-bikes-in-beijing_23.html", "published_at": "2013-09-24T00:39:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055d4953fa", "title": "BATS in Portland?", "url": "http://koonceportland.blogspot.com/2013/09/bats-sign-in-portland.html", "published_at": "2013-09-17T19:14:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055d7da8ff", "title": "NACTO Urban Street Design Guide at TRB annual Meeting in 2014 - UPDATED and Moved to the AM Session on Sunday", "url": "http://koonceportland.blogspot.com/2013/09/nacto-urban-street-design-guide-at-trb.html", "published_at": "2013-09-17T18:23:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055e4aa921", "title": "Hong Kong Pedestrian and Bicycle Infrastructure", "url": "http://koonceportland.blogspot.com/2013/09/hong-kong-pedestrian-and-bicycle.html", "published_at": "2013-09-17T06:59:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055e577c76", "title": "Bikes & Cars in Bejing China", "url": "http://koonceportland.blogspot.com/2013/08/bikes-cars-in-bejing-china.html", "published_at": "2013-08-30T06:17:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055f271d41", "title": "E-Bikes for Freight in the Forbidden City Beijing China", "url": "http://koonceportland.blogspot.com/2013/08/e-bikes-for-freight-in-forbidden-city.html", "published_at": "2013-08-30T06:10:00+00:00" }, { "id": "01a0bb5c-10c9-7337-a0bd-5b055fce38c1", "title": "Flying Piegon Bikes in Beijing along the Hutong", "url": "http://koonceportland.blogspot.com/2013/08/flying-piegon-bikes-in-beijing-along.html", "published_at": "2013-08-30T06:08:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc002d1519", "title": "Pedestrian Countdown Signal Crossing in Beijing", "url": "http://koonceportland.blogspot.com/2013/08/pedestrian-countdown-signal-crossing-in.html", "published_at": "2013-08-30T06:01:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc01069e5a", "title": "Adaptive Control vs. Time of Day Signal Timing Plans", "url": "http://koonceportland.blogspot.com/2013/08/adaptive-control-vs-time-of-day-signal.html", "published_at": "2013-08-21T19:12:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc01e81786", "title": "Hong Kong NW Territory Cycling Infrastructure", "url": "http://koonceportland.blogspot.com/2013/08/hong-kong-nw-territory-cycling.html", "published_at": "2013-08-20T05:12:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc024b9e0f", "title": "Shenzhen Traffic Management Center Tour", "url": "http://koonceportland.blogspot.com/2013/08/shenzhen-traffic-management-center-tour.html", "published_at": "2013-08-20T00:33:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc03043dbc", "title": "Tour of the Shenzhen Traffic Management Center", "url": "http://koonceportland.blogspot.com/2013/08/tour-of-shenzhen-traffic-management.html", "published_at": "2013-08-20T00:27:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc0376f469", "title": "Visit to China to speak at Universities and the CICTP2013 conference", "url": "http://koonceportland.blogspot.com/2013/08/visit-to-china-to-speak-at-universities.html", "published_at": "2013-08-19T23:48:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc03f3064d", "title": "High Speed Rail from Hong Kong to Guangzhou", "url": "http://koonceportland.blogspot.com/2013/08/high-speed-rail-from-hong-kong-to.html", "published_at": "2013-08-13T00:38:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc04f1d713", "title": "Traffic Crashes in Portland and Enforcement - A City's Response", "url": "http://koonceportland.blogspot.com/2013/08/traffic-crashes-in-portland-and.html", "published_at": "2013-08-07T16:46:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc05584349", "title": "TRB Papers submitted this year", "url": "http://koonceportland.blogspot.com/2013/07/trb-papers-submitted-this-year.html", "published_at": "2013-08-01T06:39:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc05e56da5", "title": "First TRB Paper - 15 years ago", "url": "http://koonceportland.blogspot.com/2013/07/first-trb-paper-15-years-ago.html", "published_at": "2013-08-01T04:58:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc06b45cd4", "title": "Vehicular Cycling Debate", "url": "http://koonceportland.blogspot.com/2013/07/vehicular-cycling-debate.html", "published_at": "2013-07-27T01:03:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc07451d4d", "title": "Are Traffic Signals Bad? The Bikeportland \"debate\"", "url": "http://koonceportland.blogspot.com/2013/07/are-traffic-signals-bad.html", "published_at": "2013-07-24T14:52:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc07ca6be3", "title": "Multiple Lane Transition with a Green Bike Box", "url": "http://koonceportland.blogspot.com/2013/07/multiple-lane-transition-with-green.html", "published_at": "2013-07-21T22:37:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc088826ba", "title": "Traffic Signal Systems Committee Meeting in Portland", "url": "http://koonceportland.blogspot.com/2013/07/traffic-signal-systems-committee.html", "published_at": "2013-07-21T22:15:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc093ef93c", "title": "Detecting Bicycles at Traffic Signals Sign", "url": "http://koonceportland.blogspot.com/2013/07/detecting-bicycles-at-traffic-signals.html", "published_at": "2013-07-20T22:03:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc09608bf0", "title": "Detection of Bicycles at Traffic Signals in Boston", "url": "http://koonceportland.blogspot.com/2013/07/detection-of-bicycles-at-traffic.html", "published_at": "2013-07-20T21:10:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc0a26dca4", "title": "Bike Rental \"Share\" in Portland Maine", "url": "http://koonceportland.blogspot.com/2013/07/bike-rental-share-in-portland-maine.html", "published_at": "2013-07-11T23:28:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc0ab7d6dc", "title": "Signal Timing Progression Speeds in Downtown", "url": "http://koonceportland.blogspot.com/2013/07/signal-timing-progression-speeds-in.html", "published_at": "2013-07-04T00:18:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc0ac05afd", "title": "Bicycle Turn Lane at Brookline & Beacon in Boston", "url": "http://koonceportland.blogspot.com/2013/07/bicycle-turn-lane-at-brookline-beacon.html", "published_at": "2013-07-02T06:32:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc0bad1ead", "title": "Boston's Old State House & State Street Subway Station Pedestrian Scramble", "url": "http://koonceportland.blogspot.com/2013/06/bostons-old-state-house-state-street.html", "published_at": "2013-06-29T22:32:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc0c1f2108", "title": "Traffic Operations Benefits of a Bike Box - SE Madison & Grand Example (Modified Bike Box)", "url": "http://koonceportland.blogspot.com/2013/06/traffic-operations-benefits-of-bike-box.html", "published_at": "2013-06-27T21:55:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc0cda2c22", "title": "Bicycle Signals Discussion at the NCUTCD Meeting", "url": "http://koonceportland.blogspot.com/2013/06/bicycle-signals-discussion-at-ncutcd.html", "published_at": "2013-06-27T13:09:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc0d749994", "title": "Traffic Control Devices on the East Coast Greenway Trail", "url": "http://koonceportland.blogspot.com/2013/06/traffic-control-devices-on-east-coast.html", "published_at": "2013-06-27T02:06:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc0d95cd53", "title": "Impressions from Boston's Highway 28 - Bikes May Use Full Lane", "url": "http://koonceportland.blogspot.com/2013/06/impressions-from-bostons-highway-28.html", "published_at": "2013-06-26T05:46:00+00:00" }, { "id": "01a0bb64-1f30-703d-b5de-31bc0e386fc8", "title": "How far is too far to walk to a traffic signal or beacon?", "url": "http://koonceportland.blogspot.com/2013/06/how-far-is-too-far-to-walk-to-traffic.html", "published_at": "2013-06-25T23:26:00+00:00" } ] posts Claim your blog

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koonceportland.blogspot.com

2025

To Lead or be Exclusive... for Pedestrians at a Traffic Signal original ↗

10 Jul 2025

Response to: Traffic Engineers Are Wasting Trillions and what we need to do about it original ↗

25 Jun 2025

Bicycle signing/markings and traffic signals on the ITE Community original ↗

6 May 2025

2024

Killed by a Traffic Engineer - Book Review original ↗

10 Jun 2024

2023

New MUTCD and the Safe Systems Approach original ↗

20 Dec 2023

Response to America Has No Transportation Engineers original ↗

24 Jan 2023

2019

incorporating walking and biking into Traffic Impact Studies original ↗

11 Apr 2019

2017

Understanding Dutch Design by Visiting Rijswijk, a suburb of The Hague original ↗

10 Jul 2017

PSU Study Abroad Visit to Gemeente Delft original ↗

10 Jul 2017

2015

rEvolving Transportation original ↗

18 Nov 2015

NACTO 2015 Conference in Austin, TX original ↗

1 Nov 2015

History of Traffic Signals in Portland original ↗

7 Aug 2015

A Vision Zero Community: Houten original ↗

15 Jul 2015

Bicycle Oreinted Development: Case Study in Houten original ↗

15 Jul 2015

Returning to Bicycle Heaven - Houten and South Houten original ↗

15 Jul 2015

Cycling in the Netherlands by Mark Wagenbuur @BicycleDutch original ↗

13 Jul 2015

What do Advocates Do? Jeff Rosenblum, Livable Streets original ↗

13 Jul 2015

5 Misconceptions in Transportation by Jeff Rosenblum - Livable Streets original ↗

13 Jul 2015

Left Turn Options at Traffic Signals original ↗

9 Jul 2015

Rainbow Crosswalk in Utrecht original ↗

8 Jul 2015

Bike Box in Delft on Wateringsevest at Noordeinde original ↗

8 Jul 2015

Delft Bicycle Parking Garage original ↗

8 Jul 2015

Bio for Peter Koonce - Updated to 2015 original ↗

7 May 2015

Media Quoting What I said in a Webinar original ↗

29 Mar 2015

Clearance Intervals: How Long should a Yellow and Red be?original ↗

12 Mar 2015

Sub/Urban & Transportation Related Songs original ↗

21 Feb 2015

Power & Importance of Research #TRBAM original ↗

11 Jan 2015

Comments from Professionals Against Changing the MUTCD original ↗

11 Jan 2015

TRB Annual Meeting 2015 papers original ↗

11 Jan 2015

NCUTCD Bicycle Technical Committee Reviews Two Stage Queue Box original ↗

9 Jan 2015

2014

Year in Review 2014 edition - in the Media original ↗

30 Dec 2014

Bicycle Signals Recommended for Inclusion in next MUTCD original ↗

28 Jun 2014

Flexibility in Designing Bicycle Infrastructure original ↗

27 Jun 2014

Advisory Bike Lanes and the Request to Experiment in Minneapolis - APBP Sharing Information Successfully original ↗

27 Jun 2014

Old Infrastructure in Minneapolis tells our story - Save the Highway Trust Fund?original ↗

27 Jun 2014

Improving the MUTCD by Proposing Language Modifications - Bicycle Detector Symbol Marking original ↗

25 Jun 2014

Spacing of Bicycle Shared Lane Markings - NACTO and MUTCD original ↗

25 Jun 2014

Bicycle Signals in the MUTCD original ↗

25 Jun 2014

Rapid Flashing Beacon Research shows Yielding Rates at 80%original ↗

25 Jun 2014

Introduction on the MUTCD and Thoughts on Uniformity for the APBP original ↗

25 Jun 2014

Bikeshare Minneapolis: Nice Ride original ↗

25 Jun 2014

1st Avenue North Cycletrack in Downtown Minneapolis original ↗

24 Jun 2014

Not Street Seats, but Sidewalk Standing Bar in Minneapolis original ↗

24 Jun 2014

A Bicycle Boulevard of Minneapolis original ↗

24 Jun 2014

Midtown Greenway Rail to Trail - Minneapolis, MN original ↗

24 Jun 2014

NCUTCD Meeting in Minnesota original ↗

24 Jun 2014

Chicago Street Seats and Bike Share Station Integration?original ↗

20 Jun 2014

Potholes of Chicago original ↗

20 Jun 2014

Bike Traffic Signal Design - NACTO Urban Bikeway Design Guide Research Meeting (Chicago, IL)original ↗

20 Jun 2014

Chicago Bikeway Tour - Initial Takeways & Lessons Learned original ↗

19 Jun 2014

NYC Mixing Zone Concepts original ↗

19 Jun 2014

Invisible Urbanism - 7 ideas from Portland original ↗

9 Jun 2014

What we need to move Transportation forward original ↗

3 Jun 2014

Bicycle Detection Confirmation "Blue" Light original ↗

10 Apr 2014

LED Street Lighting in Portland original ↗

3 Mar 2014

Speed Limits in Cities - ITE Listerv Discussion with Sam Schwartz original ↗

23 Feb 2014

Troubleshooting Traffic Signals with Arrows original ↗

23 Feb 2014

Peter Koonce Bio original ↗

15 Feb 2014

Detecting bicycles at traffic signals study original ↗

11 Feb 2014

NACTO Urban Street Design Guide Webinar, presented by APBP original ↗

24 Jan 2014

What does the Signal Timing described in the NACTO Urban Street Design Guide look like?original ↗

24 Jan 2014

Flashing Yellow Arrows for Protected Permitted Left Turns original ↗

23 Jan 2014

NACTO Urban Street Design Guide Write up on Left Turn Phasing original ↗

23 Jan 2014

Traffic Signal Systems Committee Meeting Agenda original ↗

6 Jan 2014

2013

Accomplishments Related to Bicycles in Portland original ↗

28 Nov 2013

Design Details for People on Bicycles original ↗

11 Oct 2013

Signal Timing Manual, 2nd Edition editing - Benefits of short cycle lengths original ↗

29 Sept 2013

Walk + Bike to School Day Flyer original ↗

24 Sept 2013

Serious Cargo Bikes in Beijing original ↗

24 Sept 2013

BATS in Portland?original ↗

17 Sept 2013

NACTO Urban Street Design Guide at TRB annual Meeting in 2014 - UPDATED and Moved to the AM Session on Sunday original ↗

17 Sept 2013

Hong Kong Pedestrian and Bicycle Infrastructure original ↗

17 Sept 2013

Bikes & Cars in Bejing China original ↗

30 Aug 2013

E-Bikes for Freight in the Forbidden City Beijing China original ↗

30 Aug 2013

Flying Piegon Bikes in Beijing along the Hutong original ↗

30 Aug 2013

Pedestrian Countdown Signal Crossing in Beijing original ↗

30 Aug 2013

Adaptive Control vs. Time of Day Signal Timing Plans original ↗

21 Aug 2013

Hong Kong NW Territory Cycling Infrastructure original ↗

20 Aug 2013

Shenzhen Traffic Management Center Tour original ↗

20 Aug 2013

Tour of the Shenzhen Traffic Management Center original ↗

20 Aug 2013

Visit to China to speak at Universities and the CICTP2013 conference original ↗

19 Aug 2013

High Speed Rail from Hong Kong to Guangzhou original ↗

13 Aug 2013

Traffic Crashes in Portland and Enforcement - A City's Response original ↗

7 Aug 2013

TRB Papers submitted this year original ↗

1 Aug 2013

First TRB Paper - 15 years ago original ↗

1 Aug 2013

Vehicular Cycling Debate original ↗

27 Jul 2013

Are Traffic Signals Bad? The Bikeportland "debate"original ↗

24 Jul 2013

Multiple Lane Transition with a Green Bike Box original ↗

21 Jul 2013

Traffic Signal Systems Committee Meeting in Portland original ↗

21 Jul 2013

Detecting Bicycles at Traffic Signals Sign original ↗

20 Jul 2013

Detection of Bicycles at Traffic Signals in Boston original ↗

20 Jul 2013

Bike Rental "Share" in Portland Maine original ↗

11 Jul 2013

Signal Timing Progression Speeds in Downtown original ↗

4 Jul 2013

Bicycle Turn Lane at Brookline & Beacon in Boston original ↗

2 Jul 2013

Boston's Old State House & State Street Subway Station Pedestrian Scramble original ↗

29 Jun 2013

Traffic Operations Benefits of a Bike Box - SE Madison & Grand Example (Modified Bike Box)original ↗

27 Jun 2013

Bicycle Signals Discussion at the NCUTCD Meeting original ↗

27 Jun 2013

Traffic Control Devices on the East Coast Greenway Trail original ↗

27 Jun 2013

Impressions from Boston's Highway 28 - Bikes May Use Full Lane original ↗

26 Jun 2013

How far is too far to walk to a traffic signal or beacon?original ↗

25 Jun 2013