Aug. 22, 2017
Norristown High Speed Line train crashes at the 69th Street Transportation Center, injuring 32 people.

Feb. 21, 2017
A Market-Frankford train crashes into a stopped train near the 69th Street center, seriously injuring an operator. The National Transportation Safety Board investigation is ongoing.

Jan. 4, 2017
Two Route 10 trolleys collide in West Philadelphia, injuring 46 people. The NTSB is investigating.

Feb. 3, 2016
A Manayunk-Norristown Regional Rail train strikes a taxi stalled on the tracks near the Spring Mill station. Two passengers were injured.

July 1, 2006
A Regional Rail train southbound from Warminster runs into a standing train near Abington, injuring 44 passengers and crew. The NTSB said the engineer failed to comply with a stop signal.

March 7, 1990
The last three cars of a six-car Market-Frankford train derail and crash into steel pillars in a tunnel near 30th Street, killing four and injuring 158. The NTSB blames SEPTA's poor maintenance of a motor-support system.

Jan. 26, 1987
A Norristown High Speed Line train strikes the rear of another train car near an Ardmore stop, injuring 19 people. The train operator tested positive for drugs and was convicted of reckless endangerment.

Dec. 10, 1986
An Airport Line train rammed a stopped Chestnut Hill West train at Suburban Station, injuring 42 people. The operator tested positive for drugs.

Aug. 23, 1986
A Norristown High Speed Line train car careered into the 69th Street terminal, injuring 44, including a man who eventually died.