The I-76 ICM includes flex lanes, active traffic management, parallel signal corridor improvements and multimodal improvements. Please click here for more information on these components.
The variable speed limit and queue warning system has been constructed and is now active. The rest of the project, including the Flex Lanes, is currently in the preliminary design phase. Please click here to view the project schedule.
Traditional capacity adding strategies have proved infeasible along the I-76 corridor due to geometric and funding constraints. PennDOT is taking an innovative systems approach to managing transportation in the corridor through the application of flexible capacity, technology, and multimodal coordination.
Variable speed limit signs and a queue detection and warning system were the first strategies deployed. Construction is underway with completion scheduled for April 2021.
Various alternatives for flex lanes are being studied as the project team evaluates roadway alignment and right-of-way, utility and interchange locations, environmental impacts, traffic flow and coordinated incident response. More details will be provided as they become available.
Flex lanes are initially being designed on two sections of I-76: Westbound between US 1 and Belmont Avenue and in both directions between King of Prussia and I-476. The US 1 interchange in the westbound direction was found to be one of the largest traffic bottlenecks in the region and our analysis to date indicates that the implementation of flex lanes in this area will provide significant congestion relief. The area between King of Prussia and I-476 is already wider than other areas of the corridor and connects two major interchanges (I-476 and US 202/US 422) where traffic enters and departs the highway, making this area a good candidate to pilot a flex lane solution. While not currently under design, future flex lane implementation in other areas of I-76 is still being studied.
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Information will also be posted on this website as the project progresses.
PennDOT has several parallel corridor projects where they are taking over ownership of traffic signals in order to upgrade signal equipment and coordinate signal timings. This will allow traffic signals to be operated across municipal boundaries as more logical coordinated systems. PennDOT will be able to override signal timings along alternate routes when major incidents occur on I-76 and the surrounding areas, minimizing the impact of diverted traffic on local roadways.
SEPTA is a key partner in the I-76 ICM project. PennDOT is working with SEPTA to make transit service more attractive in this corridor.
If you encounter potholes and other maintenance concerns at any time on Pennsylvania’s roadways, simply call PennDOT’s toll-free Roadway Maintenance Hotline, 800-FIX-ROAD, or visit PennDOT’s Customer Care Center website to report the problem and its location. We’ll take it from there.
Use the form on the Contact Us page at any time with your questions or concerns about the construction operation. We will respond usually that same day or shortly thereafter.