COLTS NECK, N.J.–– Heavy delays on Route 18 followed a deadly collision in Colts Necks, New Jersey Wednesday morning.

The crash happened around 6:30 a.m. Wednesday.

Southbound lanes have been reopened, but northbound lanes remain closed between Exit 19/Route 34 and Exit 22/County Route 537.

The accident is still causing extensive delays on the roadway as of 10 a.m.

This is a developing story. Refresh page later for updates.