Car on tracks delays Fitchburg commuter rail line

Fitchburg Commuter Rail trains were experiencing delays of 20 to 50 minutes Friday evening after a car drove onto the tracks near Porter Square in Cambridge, according to the MBTA Commuter Rail Twitter account.

The 421, 494, 423, and 425 trains were affected, according to the tweets.

A crew removed the vehicle from the tracks, according to a tweet sent out at 7:42 p.m.

No further information was immediately available.

Andrew Stanton can be reached at Follow him on Twitter @_andrewstanton.