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“When is a crosswalk unsafe?”

 Apparently, whenever it is painted on a street!

A number of years back, the City of San Diego published some startling results of a very extensive study of the relative safety of marked and unmarked crosswalks.  San Diego looked at 400 uncontrolled intersections (without traffic signals or four-way stops) during a five year period that had a marked crosswalk on one side and an unmarked crosswalk on the other.  About two and one half times as many pedestrians used the marked crosswalk but about six times as many accidents were reported in the marked crosswalk!  The City of Long BeachChildren walking in the crosswalk. studied pedestrian safety for three years (1972 through 1974) and found eight times as many reported pedestrian accidents at intersections with marked crosswalks than at those without.

One explanation of this apparent contradiction of common sense is the false sense of security pedestrians feels at a marked crosswalk.  Two painted lines do not provide protection against an oncoming vehicle, and the real burden of safety rests on the pedestrian to be alert and cautious while crossing any street.  A pedestrian can stop in less than three feet, while a vehicle traveling at 25 miles per hour requires 60 feet to stop.  At 35 miles per hour, that same vehicle requires at least 100 feet to stop.

The California Vehicle Code states that a crosswalk exists at all intersections unless pedestrian crossing is specifically prohibited by signs.  Some of these crosswalks are marked with painted lines but most of them are not.  Pedestrian crosswalk marking is a method of encouraging pedestrians to use a particular crossing.  Such marked crossings may not be as safe as an unmarked crossing at the same location.  Therefore, crosswalks should be marked only where necessary for the guidance and control of pedestrians, to direct them to the safest of several potential routes.