The project has been running since June 2017, allowing cars to utilize the shoulder Monday through Friday between 6 a.m. and 9 a.m and from 4 p.m. to 7 p.m.
North Brunswick Police spokesman Capt. Brian Hoiberg said two cars and a box truck were involved in the crash in the northbound lanes of Route 1 at North Oaks Boulevard around 7:40 a.m.