Live Chat I-78 Community Nearby Traffic I 78 exit 20b a 2024-04-27 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to I-78 Exit 20b A Whitehouse Station, NJ 5.86 Annandale, NJ 6.09 High Bridge, NJ 6.47 Interstate highway exits close to I-78 Exit 20b A Exit 20b a, i78 1.02 Exit 18, i78 4.44 Exit 17, i78 5.51 Interstate highways close to I-78 Exit 20b A i78 map 1.02 i287nj map 14.94 i80 map 29.28 State roads close to I-78 Exit 20b A US 22 NJ map 0.23 NJ CR 523 map 5.04 NJ 31 map 5.13