BOSTON (WHDH) - A Commuter Rail train that derailed Thursday afternoon caused delays on the Framingham/Worcester Line during the evening commute that are likely to extend into the morning, officials said.

The train experienced “a low-speed upright derailment” just before 4 p.m., the MBTA said in a tweet.

No passengers were on the coach car that derailed, according to Keolis spokesman Justin Thompson. There were no reported injuries.

The derailment was most likely “caused by human error in not setting a switch properly,” Thompson said in a statement.

Crews are working to re-rail the derailed car. Passengers have since gotten off the train.

The tracks will also need to be repaired.

Thompson said delays are expected on the Worcester Line through the evening.

Inbound and outbound trains will be forced to share one track during the Friday morning rush hour.

Passengers said they and the crew alike were shocked by the incident.

MBTA officials say commuters should expect to add an extra 30 minutes to their travel time.

The MBTA and Keolis are investigating the cause of the derailment.

This is a breaking news story; stay with 7NEWS for updates online and on-air.

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