The New Jersey Department of Transportation said the right lane and shoulder will be used as travel lanes with a 40 mph speed limit once the road reopens.
Two separate work crews have been working on Route 80 near Exit 34 in Wharton to fill the voids under the surface that could easily collapse and create more sinkholes.
Optimism about opening up lanes on the westbound side was dashed with the discovery of a "significant void" under the left lane of Route 80 during testing of the integrity of the ground, according to Transportation Commissioner Fran O’Connor.
Beginning Monday, riders on NJ Transit's Montclair Boonton line boarding from the Hackettstown, Mount Olive, Netcong, Lake Hopatcong, and Mount Arlington will not need to purchase a fare when boarding.
Video shows the new 15 X 15 hole, the first on the west side of Route 80, is nearly opposite the area on the east side where two sinkholes opened earlier.
A total of 135 locations around Route 80 in Wharton, mostly abandoned mine shafts, have been identified by DOT engineers for closer assessment and mitigation.
Mine Hill Mayor Sam Morris wrote on his Facebook page the during a meeting Wednesday afternoon the DOT said it is creating a "boring grid" which maps out where the ground is solid and where it's weak.