The truck flipped over on the ramp from 18 north to 1 south
UPDATE: The ramp from Route 18 north to Route 1 south has re-opened.
Route 1 south had been closed for hours near the intersection with 18, but the road was reopened shortly before 6 a.m.
East Brunswick police said traffic from Route 1 was diverted onto Route 18 north.
Motorists are advised to seek an alternate route as heavy backups are expected as a result.
NEW BRUNSWICK -- An overturned tractor-trailer on the ramp from Route 18 north to Route 1 south has closed that ramp, state transportation officials said.
Traffic jam in New Brunswick, NJ: pic.twitter.com/lyblgTRJmS
-- Eyewitness News (@ABC7NY) April 12, 2017
Jeff Goldman may be reached at jeff_goldman@njadvancemedia.com. Follow him on Twitter @JeffSGoldman. Find NJ.com on Facebook.