 New York State Route 384 | ||||
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 Map of the Buffalo–Niagara Falls area with NY 384 highlighted in red and NY 952B in blue | ||||
| Route information | ||||
| Maintained by NYSDOT and the cities of Buffalo, Tonawanda, North Tonawanda, and Niagara Falls | ||||
| Length | 21.73 mi[1] (34.97 km) | |||
| Existed | 1930[2]–present | |||
| Tourist routes |  Great Lakes Seaway Trail | |||
| Major junctions | ||||
| South end |  NY 5 in Buffalo | |||
   I-290 / CR 119 / CR 306 in Tonawanda   I-190 / LaSalle Expressway / Niagara Scenic Parkway in Niagara Falls | ||||
| North end |  Highway 420 and  NY 104 at the Rainbow Bridge in Niagara Falls | |||
| Location | ||||
| Country | United States | |||
| State | New York | |||
| Counties | Erie, Niagara | |||
| Highway system | ||||
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New York State Route 384 (NY 384) is a state highway in Western New York in the United States. It is a north–south route extending from the city of Buffalo, Erie County to the city of Niagara Falls, Niagara County, and is one of several routes directly connecting the two cities. The southern terminus of the route is at NY 5 in downtown Buffalo. NY 384's northern terminus is at the Rainbow Bridge in downtown Niagara Falls. Through its entire course in Erie County, it is known as Delaware Avenue for the street it follows in the city. In Niagara County, NY 384 follows the Niagara River and is named River Road and Buffalo Avenue.
NY 384 was assigned in 1930 to the riverside roadway linking Buffalo to Niagara Falls. It was rerouted south of the city of Tonawanda by 1938 to follow a more inland route to Buffalo. Only minor realignments within downtown Buffalo and Niagara Falls have occurred since.