New York State Route 324 is mostly and east-west highway. It briefly enters Niagara County after crossing Grand Island and has it's western end point at Interstate 190/Niagara Thruway/New York State Route 384 in Niagara Falls. NY St Rt 324 passes through the following towns in Erie-Niagara Counties. Clarence Amherst Tonawanda Grand Island Niagra Falls
NY St Rt 324 is multi-plexed in Erie-Niagara Counties. Interstate 190, at North Grand Island.
Tonawanda Toll Barrier, at South Grand Island. (NB Only)
NB I-190/Thruway; WB NY St Rt 324 one mile from the barrier. NB I-190/Thruway; WB NY St Rt 324 at the barrier.
Niagara Falls Toll Barrier, at North Grand Island (SB Only)
SB I-190/Thruway; EB NY St Rt 324 a half mile from the barrier. SB I-190/Thruway; EB NY St Rt 324 near the barrier. SB I-190/Thruway; EB NY St Rt 324 a half mile from the barrier. A BGS on EB I-290. A BGS on NB I-190/Thruway. NB I-190/Thurway; WB NY St Rt 324 at I-290. NB I-190/Thurway; WB NY St Rt 324 on the southside of the South Grand Island Bridge. NB I-190/Thruway; WB NY St Rt 324 at the top of the South Grand Island Bridge. SB I-190/Thruway; EB NY St Rt 324 on the northside of the South Grand Island Bridge. SB I-190/Thruway; EB NY St Rt 324 at the top of the South Grand Island Bridge. A BGS on NB I-190/Thruway; WB NY St Rt 324. SB I-190/Thruway; EB NY St Rt 324 at the Niagara Falls side of the North Grand Island Bridge. SB I-190/Thruway; EB NY St Rt 324 on the Grand Island side of the North Grand Island Bridge.
