[SDCBC] Bicyclist Dies In Crash With Motorcycle
Bicyclist
bikes.alot at cox.net
Thu Jun 7 01:45:07 EDT 2007
I suspect that an accurate crash report showing the location of
impact in relation to the width of the roadway... and perhaps the
condition of the shoulder and/or right-most section of the roadway
would help figure out what may have happened. The speed of the
motorcyclist might be interesting too.
At 10:15 PM 6/6/2007, Serge Issakov wrote:
>Jack,
>
>Whether speculation is pointless or has value depends on the goal,
>doesn't it? If one is trying to determine what actually happened, I
>agree, speculation is pointless (and is arguably inappropriate for
>this forum). But if we're trying to construct hypothetical but
>realistic situations based as much as possible on speculating about
>what is likely to have happened in a real incident in order to
>discuss what might have been done to avoid that type of crash, then
>I think it has value, especially if we construct all the reasonably
>likely scenarios and discuss what might have been done, if anything,
>to avoid crashes in each. The latter is what I assume we're doing
>here; it is what I'm doing, and will proceed accordingly.
>
>I reread your post. I don't think I misunderstood. Here is your
>main point, if I'm not mistaken.
>
> > So when crossing a lane to avoid a freeway on-ramp, what appears
> > as a natural, smooth lane crossing to me appears as veering across
> > the lane to the motorist behind me.
>
>I don't disagree. I just don't understand the relevance. The
>following applies to any hypothetical lane crossing, not necessarily
>to actually what happened in this particular tragedy at all:
>
>Regardless of whether the cyclist's lane crossing appears smooth or
>veering, if an overtaking driver hits him in the process, the
>cyclist violated the right-of-way (ROW) of the overtaking
>motorist. That is, the cyclist initiated the crossing of the lane
>without first establishing right of way to do so. Some cyclists
>seem to think all they have to do to establish right of way to cross
>a lane in a situation like this is signal. But that's
>incorrect. You can't just signal and cut in front of someone who is
>about to, or is in the process of, passing you. You have to wait
>for a sufficiently long gap, or use negotiation (signal and wait
>until someone yields ROW to you, by slowing down to your speed or
>changing lanes).
>
>Back to what actually happened here, I see all speculation falling
>under one of these three general possibilities:
>
>1) The cyclist was maintaining a straight line and the motorcyclist
>either didn't notice him at all (in time anyway) and hit him from
>behind, or the motorcyclist passed too closely clipping him, later
>claiming the cyclist "veered" in front of him.
>
>2) The cyclist moved into the path of the overtaking motorcyclist
>(perhaps because he didn't notice the motorcyclist, or maybe because
>he mistakenly thought he had the ROW for some reason).
>
>3) The motorcyclist was passing too closely AND the cyclist moved
>left, but not much (say a foot or two), though enough to get
>hit/clipped because the motorcyclist was passing too closely.
>
>Can anyone think of any other possibiliites?
>
>If (1), then I can't think of anything the cyclist could have done
>to avoid this.
>If (2), then the crash was arguably largely the fault of the
>cyclist. Lesson: always look back with a head turn (learn to do
>this without veering) and make sure you have ROW before moving laterally.
>if (3), again, I'm not sure what the cyclist could have done,
>assuming his relatively slight lateral adjustment was necessary and reasonable.
>
>Serge
>
>
>
>On 6/6/07, Jack Bochsler <<mailto:jbochsler at yahoo.com>
>jbochsler at yahoo.com> wrote:
> > Speculation on what happened is pointless - we are only
> > going to hear the perspective of the motorist, which may
> > contain some self-preserving bias.
> >
> > Reread my mail, you missed my point.
> > The topic was 'veering' and the speed/angle of movement
> > relative to different vehicle types, not location of
> > movement.
> >
> >
> > --- Serge Issakov <<mailto:serge at issakov.org> serge at issakov.org> wrote:
> >
> > > It's possible but not very likely that the cyclist did absolutely
> > > nothing
> > > wrong and the motorcyclist simply hit him from behind. I suppose
> > > it's also
> > > possible and arguably slightly more likely that the motoryclist was
> > > passing
> > > him too closely, this startled the cyclist, who looked back over his
> > > left
> > > shoulder and simultaneously "veered" left into the path of the
> > > motorcyclist.
> > >
> > > Much more likely is that the cyclist did not notice the motorcyclist
> > > (perhaps, ironically, because he was looking for a car) and veered in
> > > front
> > > of him.
> > >
> > > In any case, the method of turning left from the bike lane at the
> > > right side
> > > of the road is all too familar to me. I see it executed on many
> > > mornings
> > > along n/b Regents Rd at the diverge-intersection with Eastgate
> > >
> > Mall<
> http://maps.google.com/maps?f=q&hl=en&q=regents+road+at+eastgate+mall,+san+diego,+ca&sll=32.841796,-117.269474&sspn=0.006761,0.010117&ie=UTF8&ll=32.875897,-117.2177&spn=0.003379,0.005059&z=18&om=1&layer=t
> >
> > > .
> > >
> > > Cyclists are glued to the bike lane on Regents and veer across the
> > > right
> > > traffic lane that becomes the right arm of the "Y" headed for
> > > Eastgate, to
> > > get into the left arm to continue on Regents. They rarely merge
> > > left
> > > "vehicularly", which requires starting to merge pretty early, soon
> > > after
> > > crossing Executive if not sooner.
> > >
> > > Serge
> > >
> > >
> > >
> > > On 6/6/07, Jack Bochsler
> <<mailto:jbochsler at yahoo.com>jbochsler at yahoo.com > wrote:
> > > > I thought about this - not to be pedantic, but veering means
> > > > to turn sharply. But what would be categorized as a sharp
> > > > turn at 50mph is quite doable and natural at 20mph, and easy
> > > > at 12mph. So what would appear to be abrupt actions from the
> > > > perspective of a motorized vehicle may well be natural behavior
> > > > from a bicycle.
> > > >
> > > > So when crossing a lane to avoid a freeway on-ramp, what appears
> > > > as a natural, smooth lane crossing to me appears as veering across
> > > > the lane to the motorist behind me. So both parties can be equally
> > > > 'right' and 'wrong' in the same situation.
> > > >
> > > > Although it would be nice if motorists could account for cyclist
> > > > specific behavior, history shows otherwise. And thinking about
> > > > bicycle peleton behavior, collisions I have seen are a result of
> > > > cyclists moving quicker than the rider behind can react.
> > > > So the onus is clearly on a cyclist to move thru traffic as a
> > > > vehicle would, not as a bicycle can.
> > > >
> > > > jack
> > > >
> > > > --- Jim Baross <<mailto:JimBaross at cox.net>JimBaross at cox.net> wrote:
> > > >
> > > > > At the risk of appearing to be too quick to jump to the defense
> > > of
> > > > > the bicyclist... something I/we may be accused/guilty of in this
> > > case
> > > > >
> > > > > where we don't know what really happened.... We do know that
> > > people
> > > > > on bikes and in vehicles do make mistakes.
> > > > >
> > > > > That said, bicyclists veer. It is the nature of a two-wheeled
> > > device
> > > > > to need to be steered/veered/moved from side to side to keep
> > > upright.
> > > > >
> > > > > People overtaking such a device should account for that veering
> > > to
> > > > > some degree by using safe passing behaviors - slowing until it is
> > > > > safe to move over to provide safe passing distance. It is not
> > > > > generally sufficient to continue the same roadway position when
> > > > > overtaking someone traveling slower.
> > > > >
> > > > > But, maybe the motorcyclist did try to pass safely....
> > > > >
> > > > > At 09:44 AM 6/6/2007, Jack Bochsler wrote:
> > > > > >My interpretation of the "bicyclist veered" statements
> > > > > >is that the bicyclist did not do what the motorist had
> > > > > >wanted/hoped/desired.
> > > > > >
> > > > > >jack
> > > > > >
> > > > > >--- Tom Jenney
> <<mailto:Thomas.Jenney at Sun.COM>Thomas.Jenney at Sun.COM> wrote:
> > > > > >
> > > > > > > They had this story on NBC7/39 TV News this afternoon. The
> > > > > reporter
> > > > > > > said the cyclist just suddenly veered in front of the
> > > > > motorcyclist, who
> > > > > > > was unable to stop in time. Maybe that is what really
> > > happened
> > > > > > in this case, but
> > > > > > > it just seems a little dubious when this is the standard
> > > > > explanation
> > > > > > > reported by the media. It perpetuates the notion that
> > > bicyclists
> > > > >
> > > > > > as a whole
> > > > > > > don't know what they are doing on the road and probably
> > > should
> > > > > > not be there since
> > > > > > > they end up getting killed due to their erratic riding
> > > behavior.
> > > > > > >
> > >
> >
> >
> >
> >
> >
> ____________________________________________________________________________________
>
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> >
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>
> >
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