Orange Line train service was back on schedule Wednesday evening after repairs were made to multiple trains that were vandalized Tuesday night, according to the Massachusetts Bay Transportation Authority.
The MBTA tweeted an announcement at 5:26 p.m. Wednesday that regularly scheduled service on the Orange Line had resumed. In a tweet about three and a half hours earlier, the agency warned travelers to expect “longer headways ... due to a limited number of trains.”
Crews were working to repair three train sets that were vandalized on Tuesday, Joe Pesaturo, an MBTA spokesman, said in an e-mail on Wednesday.
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“Crews have made good progress with window replacements and other repair work, and the T expects to have the required number of Orange Line trains (ten) to deliver service for the PM commute under the schedules implemented last week,” Pesaturo said.
MBTA Transit Police detectives are investigating, he said.
The T implemented new, reduced schedules last week on the Orange, Blue, and Red lines, essentially adopting its Saturday schedule and its longer wait times between arriving trains, for the entire workweek. The T said it has embarked on a “hiring blitz” to address the dispatcher shortage that forced the service reductions.
Martin Finucane can be reached at martin.finucane@globe.com.