Tag Archives: actuator

The definitive paper about loop detectors, published 1986

Posted on August 30, 2018 by jsallen

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

The Six-Way, Washington, DC, a Second Look

Posted on July 7, 2011 by jsallen

The video embedded below documents a bicycle ride by the author and two companions in Washington, DC where special bicycle signals and road markings have been installed to establish continuity of New Hampshire Avenue at its intersection with U Street … Continue reading →

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

Traffic theory: improving traffic signals to reduce pointless delay

Posted on February 13, 2011 by jsallen

In theory, there’s no difference between theory and practice, but it practice, there is. attributed to: Yogi Berra Jan L. A. van de Snepscheut Albert Einstein An optimal traffic-signal system would never present anyone with a red light or a … Continue reading →

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