PennDOT - District 6 News: An update has been published to District 6 news on the PennDOT website. Please see below for details.

An update has been published to District 6 News on the PennDOT website. Please see below for details.

PennDOT - District 6 News

An update has been published to District 6 news on the PennDOT website. Please see below for details.

PennDOT Highlights Travel, Safety, Community Benefits from New Technologies on Interstate 76 (Schuylkill Expressway) in Montgomery County, Philadelphia

King of Prussia, PA – The Pennsylvania Department of Transportation (PennDOT) announced today that technology recently installed on a 14-mile section of I-76 (Schuylkill Expressway) between King of Prussia and Philadelphia is improving safety and traffic flow on the roadway.

PennDOT data shows that crashes, injuries, and travel time have decreased on the corridor since the department installed 72 Variable Speed Limit (VSL) signs and additional electronic message signs supporting a new Queue Warning (QW) system in June 2021. VSL signs display speed limits that are adjusted based on real-time traffic, roadway, and weather conditions. The QW system uses traffic data to update the electronic message signs in real time, alerting motorists about congestion before they reach it so they can slow down and watch for slowed or stopped traffic.

"The active traffic management tools we have invested in on I-76 are saving lives, benefitting the communities they serve by improving air quality, and shortening the ride time for about 100,000 drivers who rely on this critical corridor each day," said PennDOT District 6 Executive Din Abazi.

The real-time, responsive technology reduces speed limits as needed, improving motorist safety. Compared to the five-year average from 2015-2019 data (2020 and 2021 data was excluded due to reduced traffic during the pandemic), the average of 2022 and 2023 data shows:

• Average annual crashes have decreased 22 percent from 568 crashes per year to 444 crashes per year.
• Average annual rear-end crashes have decreased 32 percent from 380 to 257 per year.
• Average annual injuries have decreased 20 percent from 413 injuries per year to 330 injuries per year (2022 & 2023).
• Average annual serious injuries have decreased 62 percent from 6.6 per year to 2.5 per year.
• PennDOT traffic data shows daily traffic volumes on I-76 (Schuylkill Expressway) had recovered from pandemic lows by 2021, with the corridor now carrying 10 percent more traffic than it did in 2019.

The overall reduction in crashes is helping to improve traffic flow by keeping more lanes open on a more consistent basis. In 2023, travel time decreased four minutes during the eastbound evening peak travel time (4:00 PM to 7:00 PM) and two minutes during the westbound morning peak travel time (5:00 AM to 9:00 AM) compared to 2019. PennDOT estimates that these results are having a positive economic impact on the community due to fewer crashes and hours of delay in the amount of $46.8 million per year.

Using the Federal Highway Administration's Emissions Calculator, PennDOT analysis shows that reducing stop-and-go traffic conditions is also having a positive impact on overall air quality, reducing emissions by an estimated 3,140 tons annually.

PennDOT encourages all motorists traveling on I-76 (Schuylkill Expressway) to pay attention to the speed limits (between 35 mph and 55 mph in most areas) and queue warning messages that are posted 24 hours a day. In general, a motorist encountering a reduced speed limit should expect to reach slower moving or more congested traffic within a mile to a mile-and-a-half of that reduced speed limit sign. Following the posted speed limit is safer and improves traffic flow. The speed posted on a VSL is the legal speed limit when it is displayed.

The VSL and QW systems were implemented as part of a long-range, comprehensive, multimodal transportation management plan to improve motorist safety and traffic conditions on I-76 (Schuylkill Expressway) between the PA Turnpike and U.S. 1. PennDOT continues to monitor the technology's performance and can make any necessary updates to the software's algorithm to further enhance operations.

Additional roadway improvements are currently under design and set for construction in 2026 on the I-76 (Schuylkill Expressway) corridor. Examples include flexible lane use, emergency pull-off/refuge areas, and multimodal and traffic signal improvements along parallel and some intersecting roadways.

For additional information on PennDOT's I-76 (Schuylkill Expressway) improvement program, please visit Transform76.com.

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MEDIA CONTACT: Brad Rudolph, bradrudolph@pa.gov

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