South
Interstate 190 curves southeast from the exchange with Upper Mountain Road (NY 954P) to a diamond interchange (Exit 24) with NY 31 (Witmer Road).
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The levee for the Niagara Power Reservoir comes into view at the first confirming marker for Interstate 190 south.
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Interstate 190 runs alongside the Lewiston Pump-Generating Plant at Niagara Power Reservoir.
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Parallel NY 265 (Military Road) diverges from I-190 southeast into Reservoir State Park just ahead of Exit 24.
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NY 31 (Whitmer Road) meets Interstate 190 just within the town of Niagara.
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Interstate 190 briefly enters the northeastern corner of Niagara Falls ahead of the first of three exits for the city.
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The split diamond interchange at Exit 23 links I-190 with NY 182 (Porter Road) and Packard Road. Both roads lead west into Niagara Falls.
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6.19 miles in length, NY 182 extends west to the Whirlpool Bridge (NY 955C) for Niagara Falls, Ontario and east to U.S. 62 at Niagara Falls International Airport (IAG).
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Originating at the Niagara Falls Business District, U.S. 62 travels 3.7 miles east to a modified diamond interchange (Exit 22) with Interstate 190.
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Continuing east from Exit 22, U.S. 62 (Niagara Falls Boulevard) heads 2.69 miles to Niagara Falls International Airport (IAG) at Williams Road (NY 952V).
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LaSalle Expressway (NY 951A) stems east from a trumpet interchange (Exit 21 A) to Williams Road (NY 952V) just north of NY 265/384 (River Road) in the town of Wheatfield.
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NY 384 runs 4.17 miles east from the Rainbow International Bridge (NY 955A) across the south side of Niagara Falls to Interstate 190 at Exit 21.
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Interstate 190 ascends onto the North Grand Island Bridge across the Niagara River south from the ramps with Niagara Scenic Parkway (NY 957A).
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Cashless tolling was implemented for the North Grand Island Bridge in 2018.
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Supporting two lanes on a 24.6 foot wide deck, the North Grand Island Bridge southbound measures 4,033 feet in length.1
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The southbound North Grand Island Bridge was built in 1963. The northbound span was built in 1935.1
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Exit 20 A follows the North Grand Island Bridge onto West River Road (NY 957C). West River Road straddles the western riverside of Grand Island south 8.48 miles to Beaver Island State Park.
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The toll gantry for the North Grand Island Bridge precedes Exit 20 A.
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NY 324 commences eastbound from the loop ramp at Exit 20 B for Long Road. NY 324 parallels I-190 southeast along Grand Island Boulevard to the South Grand Island Bridge.
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The Western New York Welcome Center lies just off Interstate 190 at Exit 19 along adjacent Alvin Road.
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NY 324 returns to I-190 at Exit 18 and South Parkway. South Parkway is NY 957B south 2.29 miles to Beaver Island State Park.
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South 
East
NY 324 joins I-190 south across the North Grand Island Bridge for a 2.33 mile long overlap.
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The South Grand Island Bridge spans the Tonawanda Channel along the Niagara River.
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Exit 17 connects I-190/NY 324 at the south end of the South Grand Island Bridge with NY 266 (River Road) in the town of Tonawanda.
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Built in 1935, the southbound South Grand Island Bridge is the older of the two spans by 28 years.2
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Both steel through arch bridges between Grand Island and Tonawanda measure 3,437 feet in length.2
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Exit 17 loops onto adjacent Grand Island Boulevard (NY 324) ahead of NY 266 (River Road). I-390 meets NY 266 again in Buffalo.
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Interstate 190 next meets the west end of I-290 (Youngmann Memorial Highway) at Exit 16.
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Interstate 290 loops north of Buffalo through Tonawanda and the town of Amherst along a 10.68 mile long course to I-90 (NYS Thruway) near Williamsville.
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I-290 east to I-90 (NYS Thruway) leads to Rochester.
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NY 324 eastbound parts ways with I-190 south at Exit 15 just beyond Interstate 290.
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A directional T interchange joins I-190/290.
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NY 324 loops onto parallel Kenmore Avenue north from Exit 15 to Grand Island Boulevard east.
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NY 324 extends 13.89 miles east from Exit 15 across the Town of Tonawanda to Amherst and NY 5 at Clarence.
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Sources:
- North Grand Island Bridge (SB). BridgeHunter.com.
- South Grand Island Bridge (SB). BridgeHunter.com.
Photo Credits:
08/22/21, 08/23/21 by AARoads
Page Updated 03-02-2023.