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| Re: Signal priority in NYC (342532) | |||
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Re: Signal priority in NYC |
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Posted by Stephen Bauman on Fri Jun 4 00:19:09 2021, in response to Re: Signal priority in NYC, posted by BrooklynBus on Thu Jun 3 23:21:01 2021. And education and properly maintained crosswalks and proper signage are the best ways of reducing fatalities and also increased fencing where appropriate to reduce jaywalking.A frequent misconception of the uninformed. From New York City Pedestrian Safety Study & Action Plan: Technical Supplement (August 2010). Table 1-4. Top Apparent Contributing Factors Pedestrian KSI Crashes (KSI = Killed/Severely Insured) Driver Inattention - 36.0% Failure to Yield Right of Way - 20.6% Failure to Yield and Driver Inattention The related issues of driver inattention and failure to yield are involved in large portion of pedestrian KSI crashes, and substantially coincide with crashes in which the injured pedestrian was crossing legally with the signal or at an unsignalized crosswalk. These numbers are likely to underestimate the frequency of both failure-to-yield-violations in pedestrian KSI crashes, and driver inattention, since NYSDOT contributing factor data does not account for all crashes. Further, these labels appear to be used interchangeably for some types of crashes, including failure-to-yield crashes. Pedestrian Behavior Pedestrian error/confusion is reported in 21.5% of cases, and is typically reported in crossing-against-the-signal and midblock-crossing crashes. However, pedestrian action data is a more reliable source for understanding pedestrian behavior as relates to crashes. Speed 21% of all pedestrian KSI crashes were attributed by responding officers to speed-related contributing factors: speeding (8.3%), slippery pavement (i.e. driving too fast to stop under prevailing weather conditions, 3.8%), limited sight distance (i.e. driving too fast for specific geometric conditions, 5.2%), aggressive driving (3.8%), and following too closely (0.5%). These numbers are likely to underestimate the importance of speeding, since NYSDOT contributing factor data does not account for all crashes, and only two contributing factors may be reported for each crash. Many DWI crashes (4.8%) and driver inattention crashes (36%) are also suspected to involve speeding or unsafe speeds. Alcohol Alcohol involvement was reported as a factor in 8.1% of fatal crashes and 3.1% of severe injury crashes. This may also be an underestimate, since other data (discussed above) suggest that drivers leave the scene in about 21% of the fatal and serious injury crashes. Other research indicates that drivers who leave the scene (and are later identified) are more likely to have had a previous arrest for driving while intoxicated than drivers who remain at the scene. Arterial roads weren’t even supposed to be part of a Vision Zero when deBlasio announced the program. Instead they became his first target. Vision Zero started under the Bloomberg Administration. The first order of business was to discover where the KSI collisions occurred. Guess what - arterial roads accounted for a disproportionate share, based on their length. |
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