Category Archives: Traffic Signals

Crash on the Pinellas Rail Trail

An article about a car-bicycle crash on the Pinellas Rail Trail in Florida is on the Cycling Today Web site. Please view the embedded video there before reading the rest of this post. There is a lot of nonsense about … Continue reading

Posted in Bicycle facilities, Bicycling, Crashes, Traffic Signals | Tagged , , , , , , , , , , , , , , , , | 17 Comments

The definitive paper about loop detectors, published 1986

The City of San Diego, California, USA published its Traffic Signal Bicycle Detection Study Final Report in 1986. I have scanned a copy of the document and posted it online. This report’s main topic is inductive-loop traffic-signal detectors. These are … Continue reading

Posted in Bicycling, Traffic Signals | Tagged , , , , , , , , , , , , , | 5 Comments

RRFBs: Time for Co-opetition

The US Federal Highway Administration has withdrawn its interim approval of  Rectangular Rapid Flashing Beacons (RRFBs) because a company which makes them has patented them. This is a serious public-policy error. The RRFB has proved effective at increasing compliance of … Continue reading

Posted in traffic circles, Traffic Signals | Tagged , , , , , , , , , , , | 4 Comments

Boston expert design

Here’s a video of the intersection of Commonwealth Avenue and St. Mary Street, Boston, Massachusetts, USA, an example of the design expertise which earns Boston its place with the League of American Bicyclists as a Bicycle Friendly City. The video … Continue reading

Posted in Bicycle facilities, Bicycling, Bike box, Bike lanes, Traffic Signals | Tagged , , , , , , , , , , , , , , , , , | 6 Comments

Change lanes in a roundabout?

Ohio cyclist Patricia Kovacs posted an e-mail asking some questions about roundabouts: Ohio engineers are telling us to use the inner lane for left turns and U turns. Both the FHWA [Federal Highway Administration] and videos available on our local … Continue reading

Posted in Bicycling, Bike lanes, Roundabouts, traffic circles, Traffic Signals | Tagged , , , , , , , , , , , , | 13 Comments

An Americanized Dutch intersection

The video embedded below was produced by Nick Falbo for a design competition at George Mason University. Mr. Falbo is now employed at Alta Planning and Design, a leading design firm which promotes and designs special bicycling infrastructure. Protected Intersections … Continue reading

Posted in Bicycling, Cycle tracks, Sidepaths, Traffic Signals | 14 Comments

Boston Globe: Reality Check Time

The caption with the picture below in the Starts and Stops column of the Metro section of the June 17, 2012 Boston Globe reads: Cyclists stopped for a red light in the “bike box” on Commonwealth Avenue in the Back … Continue reading

Posted in Bicycle facilities, Bicycling, Bike box, Bike lanes, Traffic Signals | Tagged , , , , , , , , , , , , , | 5 Comments

Danish story, video and comments on the Albertslund-Copenhagen “bicycle superhighway”

A reader pointed me to a news story on the politiken.dk blog about the Copenhagen/Albertslund “bicycle superhighway” which is getting attention and publicity. The reader’s comments on my previous post read: Yeah, its kind of joke, but to be fair … Continue reading

Posted in Bicycle facilities, Bicycling, Cycle tracks, Sidepaths, Traffic Signals | Tagged , , , , , , , , , | 9 Comments

Bikes, Cars, Light Rail, E. Jefferson St., Phoenix, Arizona

Build it and they will…wait. Well, at least they’re supposed to wait. If you click on the title in the image or caption, you can view this at a higher resolution. Bikes, Cars, Light Rail, E. Jefferson St., Phoenix, Arizona … Continue reading

Posted in Bicycling, Traffic Signals | Tagged , , , , , , , , , , | 1 Comment

The Six-Way in Rush Hour

Here’s another video showing conditions at the six-way intersection of 16th Street, U Street and New Hampshire Avenue NW in Washington, DC, where special bicycle facilities have been installed. The Six-Way in Rush Hour from John Allen on Vimeo. Also … Continue reading

Posted in Bicycle facilities, Bicycling, Bike box, Bike lanes, contraflow, Traffic Signals | Tagged , , , , , , , , , , , , , , , , , | 3 Comments