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But isn't there always a difference between design and use? From the video, the cyclist that caused the crash made a bad decision and tried to pass people too close, with a stream of traffic coming towards them.
Granted the path could be wider or the streams of traffic separated, but they just made a bad choice on how to use the lane.
brokebroadbeat-
Yep, but allowing a situation where one bad choice is so easily made which causes a crash involving completely innocent people is bad design. The crash is entirely predictable given the lane layout and differing speeds of commuter cyclists.
Groups of cyclists have cause to overtake other cyclists more than any other road users amongst themselves. All cars can do 30mph, so really there is little need for them to have to overtake. Cyclists speeds vary greatly, even at the "responsible" end of cycle commuting. Therefore any cycling lane along a long straight section of road should provide ample safe room for overtaking. That one doesn't.
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its fucking piss poor design, which then combined with the users stupidity makes such accidents inevitable.
if you consider that wide mtb bars can be 750mm wide and that cyclists need to avoid pedal strike each bike will need 375mm (half a handlebar) plus say another 15cm for crank and pedal width (on the other side to avoid pedal strike), then add 50cm for each side for wobble room (and this is a fucking conservative estimate) and there is a clear argument that one cyclist needs at least 100cm of width for cyclists to pass each other, but this would be for people who don't wobble at all and have good bike handling and are comfortable having no margin for error as handlebars pass each other.
to be more realistic the recommended width for a 1 way cycle lane is 1.5m.
https://www.camcycle.org.uk/resources/cyclelanewidths/sustrans given even more detail, see page 16 suggest 1.5m for a one way cycle lane and page 21 "Minimum 3m wide path (increase
width if heavy use expected) with 1m mown verges. Min 4m if used by groups of pedestrians or cyclists moving two abreast "
http://www.sustrans.org.uk/sites/default/files/file_content_type/sustrans_handbook_for_cycle-friendly_design_11_04_14.pdf
Scrabble
dancing james
Still, creating a two way cycle path that's only wide enough for single file use, when people on bikes all travel at different speeds is really shit.