Interstate 80 West - Parsippany to Roxbury Township

Entrance ramps from both U.S. 46 and I-280 west join the c/d roadway (Exit 43) for Interstate 287.
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Interstate 280, which runs northwest from the NJ Turnpike at Kearny through Newark and The Oranges, concludes at a double wye interchange.
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Interstate 287 ended at Boonton until November 1993, when the segment between Exit 44 / U.S. 202 and Mahwah opened to traffic.
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A crossover provides access to the Interstate 80 westbound mainline from the c/d roadway to Exit 43 within the half diamond interchange (Exit 45) at Beverwyck Road (CR 637).
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A second cross over joins the c/d roadway (Exit 43) for I-287 to the I-80 Express lanes for traffic that entered the freeway from Beverwyck Road.
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Exit 43 B partitions into ramps for Interstate 287 north to Boonton and Mahwah and Littleton Road (CR 630) east to Smith Road and U.S. 46.
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I-287 northbound combines with Interstate 87 (New York Thruway) 28 miles to the northeast.
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Interstate 80 continues through the exchange with I-287 to Exits 42 B/A for Cherry Hill Road (CR 654) adjacent to U.S. 202 at Parsippany.
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U.S. 46 parallels Interstate 80 to the north from Parsippany to Denville between Exit 47 and Exit 38.
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Littleton Road intersects Smith Road just south of U.S. 46 and Boonton Reservoir.
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