Construction cones and barriers were put out on Sunday night.
Crews are repairing and resurfacing areas between Haverford, Radnor and Lower Merion townships.
The following roadways will be impacted:
-Northbound travel lanes between the Route 3 (West Chester Pike) and U.S. Route 30 (Lancaster Avenue) interchanges in Delaware County
-Northbound right lane from the Delaware County line to the Montgomery Avenue overpass, just south of the Interstate 76 Interchange in Montgomery County
-Northbound middle lane at the Montgomery Avenue overpass in Montgomery County
-Southbound right lane from the County Line Road overpass to the Route 30 (Lancaster Avenue) Interchange in Delaware County
-Southbound middle and right lanes from just south of the Marple Road overpass to the Route 3 (West Chester Pike) Interchange in Delaware County
-Southbound middle lane at Marple Road in Delaware County
-Southbound acceleration lane and right lane from the Interstate 76 East on-ramp to the Delaware County line.
Commuters should expect delays between 9:00 p.m. and 5:00 a.m.
The project is scheduled to wrap-up by the end of September.
For more information visit: http://www.511pa.com/ or www.dot.state.pa.us