I-478

I-478 is the unsigned designation for the Brooklyn-Battery Tunnel (now officailly Hugh L. Carey Tunnel). It was planned to connect with I-78 via the cancelled Westway project to replace the West Side Highway elevated freeway. I-478 was also considered for a spur from the Lower Manhattan Expressway to the Manhattan Bridge and also the Grand Central Parkway between I-278 and I-678; I-695 was also considered for the Westway, which would have extended up the Henry Hudson Parkway to the George Washington Bridge.

Mile Northbound Southbound Notes
Kings County
Borough of Brooklyn
Speed Limit 40
0.0 I-478 north I=278 West
Brooklyn-Queens Expressway
Belt Parkway East
Verrazano Bridge
0.2 Exit 26
Hamilton Avenue
0.3 I-278 East
Brooklyn-Queens Expressway
Atlantic Avenue
New York County
Borough of Manhattan
Kings County
Borough of Brooklyn
Brooklyn-Battery Tunnel Toll Hugh L. Carey Tunnel
2.3 Trinity Place
Exit closed 6-10am and 3-7pm, Monday-Friday
2.4 NY 9A North
West Street
FDR Drive
I-478 south At-grade intersection
Speed Limit 40
New York County
Borough of Manhattan

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