Excessive heat on the train tracks caused a BART train to derail near Concord earlier this week, officials said.
About 50 passengers had to be evacuated around 5:30 p.m. Tuesday after a Bay Area Rapid Transit train derailed near Hastings Drive and David Avenue.
Firefighters said several people reported minor injures. One person who complained of back pain was taken to a hospital, BART officials said.
The train derailed amid a heat wave in the Bay Area that sent temperatures soaring into the triple digits.
“Our initial assessment is that heat played the main role in the partial derailment by causing a curve in the rail,” BART said in a statement.
Temperatures on the track exceeded 140 degrees — about 35 degrees above the rail’s ordinary operating temperature — BART spokesman Chris…
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