NY 400

NY 400, known as the Aurora Expressway, is a freeway bypassing NY 16 south of Buffalo. The road mainly serves commuters by connecting the Village of East Aurora to the Thruway.

Mile Northbound Southbound Notes
Erie County
Speed Limit 40
0.0 NY 400 north NY 16 north NY 16 south
Olean Road
Freeway ends
Speed Limit 65 Speed Limit 40
Speed Limit 55
2.2 NY 16
East Aurora
NY 400 north NY 400 south NY 16 south
4.1 US 20A NY 78
East Aurora
7.1 Maple Street
8.4 Jamison Road
Elma
12.0 US 20 East NY 78 North
Transit Road
12.0 US 20 West NY 78 South
Transit Road
15.0 NY 277
Union Road
Speed Limit 55 Speed Limit 65
16.4 NY 16
Seneca Street
NY 16
Seneca Street
West Seneca
16.9 I-90 East
Buffalo
Thruway
16.9 I-90 West
Erie
NY 400 south Thruway
Speed Limit 55
Erie County

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