Subway–Surface Trolley Lines

Subway–Surface Trolley Lines. The Subway–Surface Trolley Lines are a network of five light rail routes operated by the Southeastern Pennsylvania Transportation Authority (SEPTA) in Philadelphia. They are distinguished by their unique operation, traveling in a shared tunnel beneath Center City before branching onto surface streets in West Philadelphia and southwestern neighborhoods. This hybrid system connects major hubs like 30th Street Station, the University of Pennsylvania, and Drexel University with the central business district.

History

The system's origins lie in the late 19th century with the consolidation of numerous private streetcar companies, such as the Philadelphia Rapid Transit Company. To relieve downtown congestion, construction began on the Market Street Subway, with the initial segment opening in 1906. A key expansion was the completion of the University City tunnel portal in 1955 under the Pennsylvania Railroad's elevated lines. Following the formation of SEPTA in the 1960s, it absorbed the operations of the Philadelphia Transportation Company. Major infrastructure projects, including the Center City Commuter Connection and renovations to the 13th Street and 15th Street stations, have modernized the lines. The system survived proposed abandonments during the Great Depression and service has been continuous except for brief disruptions like the 1944 Philadelphia transit strike.

Operations

The five routes—numbered 10, 11, 13, 34, and 36—operate 24 hours a day, with frequent service coordinated through the Market Street Subway. All routes converge and share tracks in the twin-tube tunnel between 30th Street Station and 13th Street Station. Operations are controlled from SEPTA's Fleet Control Center, with supervision from the Philadelphia Police Department's Transit Police unit. Fares are integrated into the broader SEPTA network, utilizing the SEPTA Key smart card system. Service patterns are adjusted for major events at venues like Citizens Bank Park and the Wells Fargo Center, and the lines interconnect with SEPTA City Transit Division surface routes, SEPTA Regional Rail, and PATCO Speedline services.

Routes

The five routes serve distinct corridors after emerging from the subway in West Philadelphia. **Route 10** (Lancaster Avenue) travels to Overbrook and the Overbrook Railroad Station. **Route 11** (Woodland Avenue) serves Darby via Woodland Avenue, passing the University of the Sciences in Philadelphia. **Route 13** (Chester Avenue) operates to Yeadon along Chester Avenue. **Route 34** (Baltimore Avenue) provides service to Angora via the University City district and Clark Park. **Route 36** (Elmwood Avenue) runs to Eastwick and the Philadelphia International Airport vicinity via Elmwood Avenue. Each route has designated terminals and major transfer points, such as 40th Street Portal and 33rd Street.

Rolling stock

The fleet primarily consists of Kawasaki Heavy Industries LRVs (K-Cars), built between 1981 and 1983, which were part of a large order for SEPTA's Norristown High Speed Line and trolley lines. These PCC-inspired vehicles operate on standard 5 ft 2 1⁄4 in gauge and use a 600-volt DC overhead line for power. Prior to the Kawasaki cars, the system was dominated by Presidents' Conference Committee streetcars. The fleet is maintained at the Elmwood Carhouse and Callowhill Depot, with occasional equipment sharing with the SEPTA Route 15 heritage trolley service. These LRVs are designed for both high-platform subway stations and low-platform street stops.

Infrastructure

The core infrastructure is the shared Market Street Subway tunnel, a double-track grade-separated right-of-way extending from 22nd Street to 15th Street Station. The system utilizes a unique broad track gauge not found on most North American railways. Power is supplied via a 600 V DC overhead line system, with substations managed by SEPTA. Key surface junctions include the 40th Street Portal and the University City grade-separated right-of-way. Major maintenance facilities are the Callowhill Depot (underground) and the Elmwood Carhouse. The infrastructure interfaces with Amtrak's Northeast Corridor at 30th Street Station and crosses under the Schuylkill River via the Schuylkill River Tunnel.

Category:SEPTA Category:Light rail in the United States Category:Rail transportation in Philadelphia Category:Transportation in Pennsylvania Category:1906 establishments in Pennsylvania