Chat Report Accident Traffic Mountainside Traffic 2024-11-18 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Mountainside Westfield, NJ 3.57 mi Springfield, NJ 3.73 mi Summit, NJ 3.86 mi Interstate highway exits close to Mountainside Exit 45, i78 2.16 mi Exit 44, i78 3.29 mi Exit 41, i78 4.34 mi Interstate highways close to Mountainside i78 map 2.16 mi i95 map 13.36 mi i287nj map 14.89 mi State roads close to Mountainside US 22 NJ map 0.79 mi NJ UNION 635 map 1.81 mi NJ CR 577 map 2.07 mi