Drivers in the Philadelphia region beware: highways across Bucks, Chester, Delaware, Montgomery, and Philadelphia counties will experience lane closures as a part of PennDOT’s ongoing resurfacing projects.

To know whether or not your travel or commute will be affected by these repairs, see the restrictions below by county.

Bucks County

When: Monday, Sept. 21 through Friday, Sept. 25 from 7 p.m. to 5 a.m., 9 a.m. to 3 p.m.

Where: Woodbourne Road between Cobalt Ridge Drive and Big Oak Road, Middletown Township

About: Milling, base repair, utility adjustments

Chester County

When: Monday, Sept. 21 through Friday, Sept. 25 from 8 a.m. to 4 p.m.

Where: Chestnut Tree Road between Horseshoe Pike and Route 82 (Manor Road), Honey Brook and West Nantmeal townships

About: Milling, paving, utility adjustments

Delaware County

When: Sunday, Sept. 20 through Friday, Sept. 25 from 9 a.m. to 3 p.m., 6 p.m. to a.m.

Where: Route 663 (King Street/Charlotte Street) between Route 100 (Pottstown Boyertown Bypass) and Route 73 (Big Road), Pottstown Borough, Lower Pottsgrove Township, New Hanover Township

About: Milling, paving, utility work

Montgomery County

When: Monday, Sept. 21 through Wednesday, Sept. 23 from 9 a.m. to 3 p.m.

Where: Ridge Avenue between Domino Lane and Spring Garden Street

About: Prep work

Philadelphia County

Where: Ridge Avenue between Domino Lane and Spring Garden Street

When: Monday, Sept. 21 through Wednesday, Sept. 23 from 9 a.m. to 3p.m.

About: Prep work

Where: Ridge Avenue between Hunting Park Avenue and Spring Garden Street

When: Monday, Sept. 21 through Friday, Sept. 25 from 8 p.m. to 6 a.m.

About: Paving

Where Girard Avenue between Lancaster Avenue and Lansdowne Drive

When: Monday, Sept. 21 through Friday, Sept. 25 from 9 a.m. to 3 p.m.

About: Line striping

Where: Berkley Street/Roberts Avenue between Germantown Avenue and Henry Avenue

When: Monday, Sept. 21 through Friday, Sept. 25 from 9 a.m. to 3 p.m.

About: Line striping

Where: Ramps on U.S. 1 (Roosevelt Boulevard) and Route 63 (Woodhaven Road) interchange

When: Thursday, Sept. 24 through Friday, Sept. 25 from 9 p.m. to 6 a.m.

About: Closed and detoured. Following posted detour signs for directions.

Where: Ramp from I-95 North onto Allegheny Avenue (Exit 25)

When: Wednesday, Sept. 30 from 9 p.m. to 6 a.m.

About: Closed and detoured. Use ramp onto Aramingo Avenue (Exit 26), Aramingo Avenue, Westmoreland Street