A car went flying early Monday off the Houston Street Viaduct and landed onto Dallas Area Rapid Transit train track equipment below, officials say.
According to a DART spokesman, a car was speeding down South Houston Street when it launched over the bridge wall and into trees next to the train tracks below at about 12:30 a.m.
Two women who were in the car abandoned it and fled, the official said. It's not known whether they were injured in the crash.
Overhead catenary lines, which are electricity wires along the DART rail tracks, were damaged, the official said. Further damage was caused to a train that later traveled into the affected area.
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A DART official at the scene said it could take days to complete repairs. All repairs were complete by Tuesday morning and trains were running normally.
Traffic on Houston Street was not affected.
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Dallas police are investigating.