Pennsylvania State Route 18 is a north-south highway in Central Beaver County. In the northern portion of the county it runs along the Beaver River. PA St Rt 18 passes through the following towns in Beaver County. Frankfort Springs Monaca New Brighton Beaver Falls Homewood Koppel PA St Rt 18 is mutli-plexed in Beaver County. Pennsylvania State Route 51, near Rochester. Pennsylvania State Route 65, near Rochester. Pennsylvania State Route 68, near Rochester. Pennsylvania State Route 588, near Beaver Falls. PA St Rt 18 intersects the following highways in Beaver County. Pennsylvania State Route 168, at Frankfort Springs. U.S. Rt. 30, near Frankfort Springs. Pennsylvania State Route 151, Hookstown. Interstate 376, near Vanport. Pennsylvania State Route 51, at Monaca. Pennsylvania State Route 65, near Rochester. Pennsylvania State Route 65, near Rochester. Pennsylvania State Route 68, at Rochester. Pennsylvania State Route 51, at Rochester. Pennsylvania State Route 68, at Rochester. Pennsylvania State Route 65, near Rochester. Pennsylvania State Route 588, near Beaver Falls. Pennsylvania State Route 588, near Beaver Falls. Pennsylvania State Route 251, near West Mayfield. Pennsylvania State Route 551, near Beaver Falls. Interstate 76, (Pennsylvania Turnpike) near Homewood. Pennsylvania State Route 351, at Koppel.
A BGS on WB I-76/PA Turn. A BGS on EB I-376. A BGS on EB I-376. A BGS on the ramp from EB I-376.
