NEW YORK - (AP) - Hundreds of New York City crosswalks are gettingpedestrian countdown clocks.

Mayor Michael Bloomberg's administration studied the signals ina pilot program of 24 intersections. The city found that thecountdown clocks were particularly helpful on wide streets withlonger crosswalks.

Starting this month, 1,500 intersections will get the clocks,which are common in cities around the country.

The city chose intersections based on their roadway width andhigh rates of accidents with pedestrian injuries.

Officials said the countdown clocks will be standard for all newsignals on wider streets.

Bloomberg's administration also announced other measures toimprove pedestrian safety. Those include a pilot program of 20 mphspeed zones in some residential areas.

The city's standard speed limit is 30 mph.