The Pennsylvania Turnpike Commission (PTC) operates a vast communications network supporting internet, voice and data across more than 563 miles of roadway and nearly 700 sites. As demand for high‑capacity communications continues to increase, the PTC is modernizing its fiber optic backbone to improve system reliability and support Intelligent Transportation Systems (ITS) and tolling operations. As part of the widening and reconstruction of four miles of the Pennsylvania Turnpike between the Route 29 Interchange (MP 320) and the Valley Forge Service Plaza (MP 324), STV delivered comprehensive design and construction support to relocate and upgrade key sections of the fiber network.
What challenges did STV address?
The widening of this Turnpike segment required relocating critical fiber communications infrastructure housed directly beneath the roadway. Because the fiber backbone supports the PTC’s ITS and tolling systems statewide, work needed to be carefully sequenced to avoid service interruptions. The corridor is heavily traveled, highly constrained and essential to regional mobility, requiring precise coordination with roadway construction activities.
What solutions did STV deliver?
STV served as the lead broadband and fiber engineer for the project, providing PS&E development and construction support for relocating the long‑haul fiber system beneath the newly widened roadway. The team ensured uninterrupted connectivity for ITS devices, tolling operations and centralized communications. STV coordinated closely with PTC stakeholders and roadway designers to maintain system integrity throughout construction and delivered a layout that supports long‑term resiliency and capacity expansion.
How does this project benefit the community?
Upgrading the fiber backbone enhances reliability for critical transportation systems, including dynamic message signs, traffic cameras, incident response tools and electronic tolling. The improvements support safer operations, reduce system downtime and strengthen the digital infrastructure that keeps the Pennsylvania Turnpike running efficiently for millions of annual travelers.
Key stats and accolades
- Four‑mile fiber optic relocation along a widened Turnpike segment
- Supports statewide ITS and tolling communications
- Integrated with roadway reconstruction between MP 320 and MP 324
- Enhances long‑term communications resiliency across PTC’s 563‑mile system


