New York State Route 400
Encyclopedia
New York State Route 400 (NY 400) is a state highway
State highway
State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 located within Erie County, New York
Erie County, New York
Erie County is a county located in the U.S. state of New York. As of the 2010 census, the population was 919,040. The county seat is Buffalo. The county's name comes from Lake Erie, which in turn comes from the Erie tribe of American Indians who lived south and east of the lake before 1654.Erie...

, in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. The northwest end is connected to the New York State Thruway
New York State Thruway
The New York State Thruway is a system of limited-access highways located within the state of New York in the United States. The system, known officially as the Governor Thomas E. Dewey Thruway for former New York Governor Thomas E. Dewey, is operated by the New York State Thruway Authority and...

 (Interstate 90) and the southeast end terminates at NY 16
New York State Route 16
New York State Route 16 is a state highway in western New York, United States. It runs from the Pennsylvania state line, where it is one of the highest highways in the state in elevation, to downtown Buffalo. NY 16 is a major route through Erie County, despite the construction of the...

 in the town of Aurora. NY 400, a limited-access highway, roughly parallels NY 16 between the two locations. It is most commonly used to carry traffic from Buffalo to the village of East Aurora
East Aurora, New York
East Aurora is a village in Erie County, New York, United States, southeast of Buffalo. The Village of East Aurora lies in the eastern half of the Town of Aurora.The population was 6,673 at the 2000 census...

, where Fisher-Price
Fisher-Price
Fisher-Price is a company that produces toys for infants and children, headquartered in East Aurora, New York. Fisher-Price has been a wholly owned subsidiary of Mattel since 1993.-History:...

 and Moog, Inc are headquartered. It is a busy commuter route to the southern suburbs. NY 400 is signed as a north–south route, although about half of the route runs more east–west.

The northwest end of 400 is near the west town line of the Town of West Seneca
West Seneca, New York
West Seneca is a town in Erie County, New York, United States. The population was 44,711 at the 2010 census. West Seneca is a centrally-located interior town of the county, and a suburb of Buffalo...

 at the Thruway. The southeast end is north of the hamlet
Hamlet (place)
A hamlet is usually a rural settlement which is too small to be considered a village, though sometimes the word is used for a different sort of community. Historically, when a hamlet became large enough to justify building a church, it was then classified as a village...

 of South Wales, which is located in the town of Wales
Wales, New York
Wales is a town in Erie County, New York, United States. The town is one of the "Southtowns" of Erie County by virtue of its position in the southeast part of the county, southeast of Buffalo.-History of Wales :...

. At this end, the route connects to Olean Road and continues south as NY 16
New York State Route 16
New York State Route 16 is a state highway in western New York, United States. It runs from the Pennsylvania state line, where it is one of the highest highways in the state in elevation, to downtown Buffalo. NY 16 is a major route through Erie County, despite the construction of the...

. The highway crosses Cazenovia Creek
Cazenovia Creek
Cazenovia Creek is a small stream in Western New York, United States. The creek is named after Theophilus Cazenove, an agent of the Holland Land Company. Cazenovia Creek is a tributary of the Buffalo River, which empties into Lake Erie...

 just before ending.

Route description

NY 400 begins northwest of the hamlet
Hamlet (place)
A hamlet is usually a rural settlement which is too small to be considered a village, though sometimes the word is used for a different sort of community. Historically, when a hamlet became large enough to justify building a church, it was then classified as a village...

 of South Wales in the town of Aurora; however, South Wales, situated less than 0.5 mile (0.80467 km) southeast of the route's end, is located in the adjacent town of Wales
Wales, New York
Wales is a town in Erie County, New York, United States. The town is one of the "Southtowns" of Erie County by virtue of its position in the southeast part of the county, southeast of Buffalo.-History of Wales :...

. At its southern end, NY 400 splits off of Olean Road, taking with it NY 16
New York State Route 16
New York State Route 16 is a state highway in western New York, United States. It runs from the Pennsylvania state line, where it is one of the highest highways in the state in elevation, to downtown Buffalo. NY 16 is a major route through Erie County, despite the construction of the...

 which occupies Olean Road to the south. The two routes head north-northeast from here as the Aurora Expressway through rural areas in the town of Aurora. After passing by Emery County Park, NY 16 leaves the expressway back onto Olean Road on one of three junctions that only allow access in one cardinal direction, this one to the south as a northbound exit/southbound entrance. NY 400 continues heading in a primarily northward direction; however, it briefly turns back in a slight east direction to avoid the village of East Aurora
East Aurora, New York
East Aurora is a village in Erie County, New York, United States, southeast of Buffalo. The Village of East Aurora lies in the eastern half of the Town of Aurora.The population was 6,673 at the 2000 census...

.

Remaining rural, NY 400 crosses just to the east of East Aurora, encountering US 20A
U.S. Route 20A (New York)
U.S. Route 20A is an east–west alternate route of US 20 that extends for across the western portion of New York in the United States. It leaves US 20 in Hamburg, a suburb of Buffalo, and rejoins it in East Bloomfield about five miles west of Canandaigua, the county seat of...

/NY 78
New York State Route 78
New York State Route 78 , most commonly known as Transit Road, is a state highway in Western New York, USA. While it is signed north–south, the lower portion runs in an east–west direction across Wyoming County, from its beginning north of the Village of Gainesville.NY 78 is...

 (Big Tree Road) at a northbound entrance/southbound exit. North of here, entering the town of Elma
Elma, New York
Elma is a town in Erie County, New York, United States. The population was 11,304 at the 2000 census. The town is named after a type of tree.The Town of Elma is located in the north-central part of the county, east of Buffalo, New York. Because of its location, Elma likes to refer to itself as the...

, it turns to the west to meet with Maple Street at the final single-direction junction, a northbound entrance and southbound exit. The expressway then turns northwest to intersect with Jamison Road (formerly NY 422) by way of a full diamond interchange
Diamond interchange
A diamond interchange is a common type of road junction, used where a freeway crosses a minor road. The freeway itself is grade-separated from the minor road, one crossing the other over a bridge...

. NY 400 also passes a small industrial area containing manufacturing plants for Moog, Inc, Motorola
Motorola
Motorola, Inc. was an American multinational telecommunications company based in Schaumburg, Illinois, which was eventually divided into two independent public companies, Motorola Mobility and Motorola Solutions on January 4, 2011, after losing $4.3 billion from 2007 to 2009...

, Servotronics, and Steuben Foods located on Maple Street and Jamison Road.

NY 400 continues northwest, paralleling NY 16
New York State Route 16
New York State Route 16 is a state highway in western New York, United States. It runs from the Pennsylvania state line, where it is one of the highest highways in the state in elevation, to downtown Buffalo. NY 16 is a major route through Erie County, despite the construction of the...

/NY 78
New York State Route 78
New York State Route 78 , most commonly known as Transit Road, is a state highway in Western New York, USA. While it is signed north–south, the lower portion runs in an east–west direction across Wyoming County, from its beginning north of the Village of Gainesville.NY 78 is...

 on Seneca Street and becoming more suburban and heavily trafficked. On the Elma/West Seneca
West Seneca, New York
West Seneca is a town in Erie County, New York, United States. The population was 44,711 at the 2010 census. West Seneca is a centrally-located interior town of the county, and a suburb of Buffalo...

 town line, a full cloverleaf interchange
Cloverleaf interchange
A cloverleaf interchange is a two-level interchange in which left turns, reverse direction in left-driving regions, are handled by ramp roads...

 occurs with US 20
U.S. Route 20
U.S. Route 20 is an east–west United States highway. As the "0" in its route number implies, US 20 is a coast-to-coast route. Spanning , it is the longest road in the United States, and the route sparsely parallels Interstate 90...

/NY 78 on Transit Road, just north of the Seneca Street/Transit Road intersection. The expressway turns in a more western direction here, as well, though there is still a slight deflection to the north.

The expressway continues to parallel NY 16 (Seneca Street), now running between NY 16 to the south and the North America Center industrial park
Industrial park
An industrial park is an area zoned and planned for the purpose of industrial development...

 to the north. The Norfolk Southern Railway
Norfolk Southern Railway
The Norfolk Southern Railway is a Class I railroad in the United States, owned by the Norfolk Southern Corporation. With headquarters in Norfolk, Virginia, the company operates 21,500 route miles in 22 eastern states, the District of Columbia and the province of Ontario, Canada...

 separates NY 400 from the industrial park. It intersects with NY 277
New York State Route 277
New York State Route 277 is a state highway in New York, USA. This highway is also called Union Road, along with other names. NY 277 is a major north–south road east of Buffalo, New York, through the middle of Erie County...

 (Union Road), again just north of the NY 16 (Seneca Street) intersection with the road. After a final exit for NY 16, it encounters the New York State Thruway
New York State Thruway
The New York State Thruway is a system of limited-access highways located within the state of New York in the United States. The system, known officially as the Governor Thomas E. Dewey Thruway for former New York Governor Thomas E. Dewey, is operated by the New York State Thruway Authority and...

 (Interstate 90
Interstate 90 in New York
Interstate 90 is a part of the Interstate Highway System that runs from Seattle, Washington, to Boston, Massachusetts. In the U.S. state of New York, I-90 extends from the Pennsylvania state line at Ripley to the Massachusetts state line at Canaan...

) at the beginning of I-90's eight-lane section through Buffalo
Buffalo, New York
Buffalo is the second most populous city in the state of New York, after New York City. Located in Western New York on the eastern shores of Lake Erie and at the head of the Niagara River across from Fort Erie, Ontario, Buffalo is the seat of Erie County and the principal city of the...

, signifying its high use during rush hour
Rush hour
A rush hour or peak hour is a part of the day during which traffic congestion on roads and crowding on public transport is at its highest. Normally, this happens twice a day—once in the morning and once in the evening, the times during when the most people commute...

.

History

Construction began on the Aurora Expressway in the late 1960s and concluded in the early 1970s. The entirety of the expressway, then incomplete, was designated as NY 400 on January 1, 1970.

The intersection where NY 400 terminates at NY 16 in South Wales
South Wales, New York
South Wales, New York is an unincorporated hamlet in the towns of Aurora and Wales in Erie County, New York, USA. WGRZ's broadcast tower and in-house weather radar are based in the hamlet.-References:...

 has been reconfigured over time. When the expressway was first constructed, the flow of traffic along Olean Road was unimpeded while traffic from NY 400 was forced to merge with NY 16 at a sharp angled intersection. The junction has since been altered so that southbound traffic on NY 400 continues onto NY 16 south with no merging required while commuters on NY 16 north are guided onto the expressway rather than onto Olean Road. Olean Road, however, is still accessible by way of a four-way intersection with Richardson Road just west of the former junction.

Exit list

|-
|rowspan=2|Aurora
|rowspan=2|0.00
|
|Continuation beyond Olean Road
|-
|Olean Road (NY 951V)
|At-grade intersection
|-
|rowspan=2|East Aurora
East Aurora, New York
East Aurora is a village in Erie County, New York, United States, southeast of Buffalo. The Village of East Aurora lies in the eastern half of the Town of Aurora.The population was 6,673 at the 2000 census...


|1.99
|
|Northbound exit and southbound entrance; NY 16 leaves northbound and joins southbound
|-
|4.05
|
|Southbound exit and northbound entrance
|-
|rowspan=2|Elma
Elma, New York
Elma is a town in Erie County, New York, United States. The population was 11,304 at the 2000 census. The town is named after a type of tree.The Town of Elma is located in the north-central part of the county, east of Buffalo, New York. Because of its location, Elma likes to refer to itself as the...


|7.12
|Maple Road (CR 241)
|Southbound exit and northbound entrance
|-
|8.39
|
|Former routing of NY 422
|-
|rowspan=4|West Seneca
West Seneca, New York
West Seneca is a town in Erie County, New York, United States. The population was 44,711 at the 2010 census. West Seneca is a centrally-located interior town of the county, and a suburb of Buffalo...


|11.96
|
|
|-
|14.98
|
|
|-
|16.40
|
|
|-
|16.91
|
|Exit 54 (I-90/Thruway)

External links

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