FILE - In this Sept. 18, 2010, file photo, traffic is backed up on the New York State Thruway in Harriman, N.Y., due to a fatal crash on the northbound side of Interstate 87 in Woodbury. Government estimates show U.S. traffic deaths rose 8 percent for the first six months of 2015, following a slight decrease in 2014, according to a report released Tuesday, Nov. 24, 2015, by the National Highway Traffic Safety Administration. (AP Photo/Mike Groll, File)
At least 21 people have been killed in Long Island crashes so far in August, including three people who died in separate collisions in Suffolk County over the weekend.
Over the last year, Long Island traffic fatalities increased 24%, according to a report. Suffolk is ranked as number one for traffic fatalities in New York State, while Nassau County is ranked number three.
(AP Photo/Mike Groll, File)