update June 6:

Nighttime construction is scheduled the next two weeks for the $17.4 million project to widen and improve 2.5 miles of State Route 100 (Pottstown Pike) in Uwchlan and West Whiteland townships, Chester County.

PennDOT is expanding Route 100 from two lanes to three lanes in each direction by widening northbound Route 100 (Pottstown Pike) from Shoen Road to just south of Route 113 (Uwchlan Avenue) and widening southbound Route 100 (Pottstown Pike) from just south of Route 113 (Uwchlan Avenue) to Swedesford Road/Waterloo Road.

The contractor is scheduled to work Sunday through Friday nights (June 8-13; June 15-20) from 6 p.m. to 6 a.m. for the next two weeks, restricting traffic to one lane in each direction between Swedesford Road/Waterloo Road and Route 113 (Uwchlan Avenue). Drivers are advised to allow additional time for travel as slowdowns will occur during construction.

Crews will work at night to remove the existing median guiderail, install temporary concrete barriers, pave the median, and shift southbound and northbound travel lanes to the west. Once the temporary traffic pattern is established, work will begin to widen northbound Route 100 (Pottstown Pike).
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Construction will start Sunday night, June 1 on a $17.4 million project to widen and improve 2.5 miles of State Route 100 (Pottstown Pike) in Uwchlan and West Whiteland townships, Chester County.

PennDOT will expand Route 100 from two lanes to three lanes in each direction by widening northbound Route 100 from Shoen Road to just south of Route 113 (Uwchlan Avenue) and widening southbound Route 100 from just south of Route 113 (Uwchlan Avenue) to Swedesford Road.

“The addition of a third lane in each direction will enhance travel and reduce congestion for the thousands of motorists who use Route 100 each day,” PennDOT District Executive Lester C. Toaso said. “Widening this stretch of Route 100 will create a uniformed six-lane roadway from the Route 30 Interchange to the Pennsylvania Turnpike Interchange.”

In addition to widening Route 100, PennDOT’s contractor will improve intersections by removing five jug handles and replacing them with turn lanes; installing new traffic signals at intersections; replacing the metal median divider with a concrete median barrier; and modifying the storm water collection system and adding storm water management facilities.

Crews also will build a sound wall along southbound Route 100 between Rutgers Drive and Worthington Drive; build a retaining wall on Gordon Drive; install a sidewalk along northbound Route 100 from Ship Road to Sharp Lane, which will connect with the Uwchlan Trail; install a sidewalk along southbound Route 100 between Rutgers Drive and Worthington Lane; and build a truck weigh station along the current northbound Ship Road jug handle. 

The widening project is scheduled to finish in February 2016.

The first few weeks of construction will focus on relocating the median barrier and performing other roadwork to shift southbound and northbound traffic to the west in order to widen alongside the northbound lanes. This work will restrict Route 100 to one lane in each direction Sunday through Thursday nights from 7 p.m. to 5 a.m. the following morning. Daytime lane closures may occur weekdays from 9 a.m. to 3 p.m. for the relocation of utility lines.

Drivers are advised to allow additional time for travel as slowdowns may occur during construction.

Two travel lanes will remain open in each direction on Route 100 weekdays from 6 a.m. to 9 a.m. and 3 p.m. to 6 p.m.

This stretch of Route 100 carries between 33,000 to 38,000 vehicles a day.

Allan A. Myers, LP of Worcester, Montgomery County, is the general contractor on the $17,386,617 contract, which is financed with 80 percent federal and 20 percent state funds.

The Route 100 improvement project is a partnership effort between PennDOT and Uwchlan Township. PennDOT is financing and managing construction while Uwchlan Township financed and performed the preliminary engineering and final design phases of the project. 

Motorists can check conditions on major roadways by visiting www.511PA.com. 511PA, which is free and available 24 hours a day, provides traffic delay warnings, weather forecasts, traffic speed information and access to more than 680 traffic cameras. 511PA is also available by calling 5-1-1, and regional Twitter alerts are available on the 511PA website.

For more PennDOT information, visit www.dot.state.pa.us. Follow local PennDOT information on Twitter at www.twitter.com/511PAPhilly.