These are actually multiple locations, by milepost, on Eastbound I-80 from the Del. Water Gap to the U.S. 206 Exit in Netcong. This area is heaving patrolled by marked and unmarked rolling patrols as well as speed checks at the spots listed below by milepost:

M.P. 0.2 (on ramp to the right) at east end of Del. River bridge
M.P. 2.4 (on right — weigh station, which is presently under construction)
M.P. 6.1 (in median)
M.P. 6.4 (in median)
M.P. 6.7 (in median)
M.P. 8.6 (in median)
M.P. 8.8 (in median)
M.P. 9.1 (in median)
M.P. 9.3 (in median)
M.P. 9.5 (in median)
M.P. 9.7 (in median)
M.P. 11.1 (in median)
M.P. 11.5 (in median)
M.P. 13.7 (in median)
M.P. 14.1 (in median)
M.P. 15.3 (in median)
M.P. 15.9 (in median)(looks like this spot is no longer used)
M.P. 17.4 (in median)
M.P. 18.0 (in median)
M.P. 21.5 (in median)
M.P. 24.0 (in median)
M.P. 25.0 (in median)
M.P. 26.8 (in median)