Live Chat I-287 NJ Community Nearby Traffic Washington Rock State Park (Landuse grass) 2024-04-28 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Washington Rock State Park (Landuse Grass) Plainfield, NJ 2.42 Middlesex, NJ 3.38 Watchung, NJ 4.38 Interstate highway exits close to Washington Rock State Park (Landuse Grass) Exit 7, i287nj 4.30 Exit 8, i287nj 4.65 Exit 6, i287nj 4.86 Interstate highways close to Washington Rock State Park (Landuse Grass) i287nj map 4.30 i78 map 6.52 i95 map 13.55 State roads close to Washington Rock State Park (Landuse Grass) NJ CR 529 map 0.38 NJ SOMERSET 634 map 0.47 NJ 28 map 0.70