Red Line: Delays of about 20 minutes while crews address a signal problem near Davis. #mbtaalert #mbta

Blue Line: Delays of about 15 minutes due to a signal problem at Wonderland. #mbtaalert #mbta

Red Line: Delays of about 15 minutes while crews remove a disabled train from service at Kendall/MIT. #mbtaalert #mbta

Green Line D Branch: Delays of about 20 minutes due to a report of fire at Eliot. Trains may stand by at stations. #mbtaalert #mbta

Riverside Station notice: Premium parking is available at this location. You can buy premium passes and permits using SpotHero. #mbtaalert #mbta

Oak Grove Station notice: Premium parking is available at this location. You can buy premium passes and permits using SpotHero. #mbtaalert #mbta

Braintree Station notice: Premium parking is available at this location. You can buy premium passes and permits using SpotHero. #mbtaalert #mbta

Blue Line: Delays of about 15 minutes due to a signal problem at Wonderland. Trains may be asked to stand by at stations. #mbtaalert #mbta

Red Line: Delays of about 15 minutes due to a train with a door problem at Savin Hill. The train is being taken out of service. #mbtaalert #mbta

Orange Line: Delays of about 15 minutes due to a medical emergency at Ruggles. Trains may stand by at stations. #mbtaalert #mbta

Blue Line: Delays of about 20 minutes due to a switch problem at Wonderland. Trains may stand by at stations. #mbtaalert #mbta

Blue Line: Delays of about 15 minutes due to a signal issue at Wonderland. Trains may stand by at stations. #mbtaalert #mbta

Red Line: Delays of about 15 minutes due to a mechanical issue at Andrew. #mbtaalert #mbta

Orange Line: Delays of about 10 minutes due to police activity at Ruggles. #mbtaalert #mbta

Green Line: Delays of about 15 minutes due to a signal problem at Kenmore. Trains may stand by at stations. #mbtaalert #mbta

Red Line Braintree Branch: Delays of about 15 minutes. Trains may stand by at stations. #mbtaalert #mbta

Green Line: Delays of about 15 minutes due to a wire problem at Park Street. Crews are responding. Service is proceeding. #mbtaalert #mbta

Blue Line: To accomplish switch work at Wonderland, all trains will operate on the outbound/eastbound track between Wonderland and Revere Beach the weekend of October 17 - 18. #mbtaalert #mbta

Red Line: Delays of about 20 minutes due to a medical emergency at Broadway. Trains may stand by at stations. #mbtaalert #mbta

Red Line: Delays of about 15 minutes due to a disabled train at Wollaston. #mbtaalert #mbta