The blueprint is part of Vision Zero, the city's plan to eliminate traffic fatalities in New York.
The signing took place near the Woodside intersection where an 8-year-old was killed in December.
The DOT said the roadway's speed limit will remain at 30 miles per hour, according to a spokesman.
The deaths of Sammy Cohen Eckstein, Lucian Merryweather and Allison Liao have left many wanting changes.
A group of Bronx students successfully campaigned for safer streets in their neighborhood.
A study released by Transportation Alternatives calls for the city to put more attention on preventing crashes.
Nearly half of the drivers passing P.S. 175 were found to be speeding as school let out, the DOT said.
Images of skeletons will feature on speed boards warning drivers that they're going too fast.
The Parks Department is removing Central Park's outdated "15 mph" signs from 20 years ago.
Only 20 percent of the pedestrians killed or seriously injured during 2009 were jaywalkers, according to a new study.
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