The car was pushed 500m down the track by the 0546 First Great Western service between Exeter and Paddington. The car driver was killed but no one on board the train was injured.
Emergency crews are hoping to move the train back to the crossing within the hour to allow the 45 passengers to disembark.
More top news
After smashing the competition in the final of the U.S Open this weekend, squash player Mohamed Elshorbagy has been made the world #1.
Paul Reddan was 'jousting' with another driver at high speed when the fatal crash happened. Tonight he's starting a six year jail sentence.
Bristol City manager Steve Cotterill and his team can create history tonight if they avoid defeat in their home game against Bradford City.