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Tag Archives: collision
The “Dutch Reach”
I have sent the following message to Dr. Michael Charney, of Cambridge, Massachusetts, promoter of the “Dutch Reach”. The “Dutch Reach” is motorists’ opening the driver’s side door with the opposite hand, so they must look back for bicyclists riding … Continue reading
Posted in Bicycling, Bike lanes
Tagged bicycle, Bicycling, bike lane, bikeway, collision, crash, cycle track, cycle tracks, door zone, dooring, Dutch Reach, law, Massachusetts, mirror, rear-view, rear-view mirror, safety, side-view, side-view mirror, traffic
24 Comments
Duck Boat crashes
We had a duck boat run into a motor scooter from behind on Saturday, May 7, 2016 in Boston, killing one of the riders. It isn’t clear from the news story why this happened, though I expect that the poor … Continue reading
Posted in Bicycling, Crashes
Tagged bicycle, Boston, collision, crash, duck boat, Massachusetts, moped, motor scooter, motor vehicle, safety, traffic, vehicle
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Helmet disparagement and ethics
To quote the late, great Dutch traffic engineer Hans Monderman, “Never treat anyone in the public sphere like an idiot. If you treat him like an idiot, he will act like an idiot.” Providing helmets is difficult when bicycles are … Continue reading
Another crosswalk confusion, and a fatality
In response to my post about confused yielding requirements where shared-use paths cross streets, Ryan Reasons has published comments on a recent fatal truck-bicycle crash in the Seattle, Washington area. The photo below is from the KOMO TV/radio station news … Continue reading
Some thoughts about self-driving cars
Google’s report on its self-driving cars: http://static.googleusercontent.com/media/www.google.com/en/us/selfdrivingcar/files/reports/report-0515.pdf Most than half of the collisions reported in this document are slow-speed rear-enders of the Google cars. That’s unusual. It might be that the behavior of the Google cars is more cautious than … Continue reading
When slow is too fast
The basic speed limit, not to go too fast under the existing conditions, is often lower than the posted speed limit. When facilities like the bike lane in the video are built in which 10 mph, or even 5 mph, … Continue reading
Posted in Bicycling, Bike lanes
Tagged bicycle, Bicycling, bike lane, collision, crash, safety
13 Comments
Monsere, Dill et al. — Not Yet a Review, But…
M. Kary, who prepared a review of the Lusk et al Montreal study, has had a preliminary look at the Monsere, Dill et al. study of barrier-separated on-street bikeways (“cycle tracks”) which the bicycle industry lobby PeopleforBikes is promoting as … Continue reading
Posted in Bicycle facilities, Bicycling, Cycle tracks
Tagged an Francisco, Austin, bicycle, Bicycling, bikeway, Chicago, collision, conflict, crash, cycle track, cycle tracks, DC, District of Columbia, pedestrian, Portland, protected, research, safety, sidepath, traffic, vehicle, video, Washington
6 Comments
Is the NACTO Guide a Design Manual?
In cities around the USA, politicians, under pressure from populist bicycling advocates, have pointed to the NACTO (National Association of City Transportation Officials) Urban Street Design Guide and directed their engineering staff to install treatments which it describes. I’ll say … Continue reading
Posted in Bicycle facilities, Bicycling, Bike box
Tagged 2STQB, bicycle, Bicycling, bike box, bike lane, bikeway, collision, crash, crosswalk, cycle track, cycle tracks, guidance, law, MUTCD, NACTO, option, safety, sidepath, standard, traffic, traffic signal, Two-step turn queuing box, vehicle
14 Comments
Truck side skirts: reliable way to prevent cyclist fatalities?
No, not reliable, though some are better than others. Some are also supposed to confer an aerodynamic advantage. Some have a smooth surface which can deflect a cyclist. That is still no guarantee that the cyclist will escape serious injury … Continue reading
Posted in Bicycling, Bike lanes, Crashes
Tagged bicycle, Boston, Boston Bikes, collision, collision avoidance, Oregon, Portland, safety, side guard, side skirt, traffic, Treehugger, truck, underrun, vehicle
14 Comments
Cycle track mania on the slippery slope in Somerville, Massachusetts
My attention recently was drawn to a proposed project for Beacon Street in Somerville Massachusetts, a couple of towns away from where I live.. A presentation from a public meeting is online here: https://docs.google.com/file/d/0B1Y_jIpLYtpycEZNOUVTNUYxQVU/edit (I was unfortunately not able to … Continue reading
Posted in Bicycling
Tagged beacon, Beacon Street, bicycle, Bicycling, bike lane, bike path, bikeway, Boston, collision, crash, crosswalk, cycle tracks, Massachusetts, pedestrian, safety, sidepath, sidewalk, Somervill, vehicle, vehicular
3 Comments
