The agency said Monday that the number of crashes fell 4 percent in 2012 from the year before. It said there were 273,891 crashes last year, compared with 284,049 in 2011.
Traffic deaths rose 5 percent last year, from 889 in 2011 to 936. And the number of injuries fell 2 percent, from 71,796 to 70,519.
State police said cellphones were involved in 9 percent fewer crashes last year — 748 compared with 821 in 2011.
There's been a 31 percent drop in the number of crashes over a decade. There were 395,515 crashes in the state in 2002.