PHILADELPHIA—The operators of a high-speed train line between Philadelphia and New Jersey are apologizing to riders stranded for more than an hour with little information on a bridge over the Delaware River.

The Philadelphia Inquirer reports ( http://bit.ly/149mZMy) PATCO general manager John Rink apologized Wednesday at a meeting of the agency's parent, the Delaware River Port Authority.

He says the train operator could have done a better job communicating with passengers. The cause of the problem was a broken pipe supplying air to the brakes.

The train was filled with St. Patrick's Day revelers when it became stranded Saturday evening. Many passengers on the New Jersey-bound train took to social media to vent their frustration. A second train came to pick them up around 7:30 p.m., more than an hour later.

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Information from: The Philadelphia Inquirer, http://www.philly.com