Pennsylvania State Route 3 runs east-west across Northern Delaware County. It runs from the Chester/Delaware County Line, near Edgmont, to the Delaware/Philadelphia County Line, near East Lansdowne. PA St Rt 3 passes through the following towns in Delaware County. Edgmont Newtown Square Broomall Havertown East Lansdowne PA St Rt 3 is not multi-plexed in Delaware County. PA St Rt 3 intersects the following highways in Delaware County. Pennsylvania State Route 252, at Newtown Square. Pennsylvania State Route 320, near Broomall. Interstate 476, near Broomall. U.S. Rt. 1, near Havertown.
