BOSTON (CBS) — On Wednesday, MBTA rail service will resume on the Commuter Rail, trolley, and subway lines.

All rail service was suspended starting at 7 p.m. Monday following record-setting snowfall. Limited bus service was available on Tuesday.

READ MORE: Coronavirus In Massachusetts: Today's Developments

The Commuter Rail system will operate on a modified weekday schedule Wednesday, making approximately 70% of the trips regularly scheduled. Trains will not serve Plymouth, TF Green, or Wickford Junction Stations on Wednesday.

CHECK: Commuter Rail Schedules

The Green and Blue Lines will operate, but with fewer cars and less frequent service.

Service will also be restored on the Red and Orange Lines. There will be limited service between Alewife and Ashmont and buses will replace service between Braintree and JFK/UMass.

Buses will replace service on the Mattapan Trolley Line.

WBZ-TV’s Jon Keller reports

On Tuesday morning, it was unclear when full service would be restored.

“I wish I could tell you I have a crystal ball,” MBTA General Manager Beverly Scott told reporters. “We just have to do the best that we can.”

READ MORE: Start Of Bruins Season Brings More Business To Sports Bars Near TD Garden

The MBTA is working to clear snow off of tracks and get aging vehicles working before service can resume. MBTA officials met Tuesday afternoon to evaluate the situation, Scott said.

MBTA crews work to clear snow on the Green Line Tuesday (Photo credit Beth Germano/WBZ)

MBTA crews work to clear snow on the Green Line Tuesday (Photo credit Beth Germano/WBZ)

Scott said she also could not guarantee that the MBTA would be able to run during potential snowstorms in the near future.

Gov. Charlie Baker blasted the MBTA’s performance during the storm on Monday and said he’d be having a “long conversation” with T officials after the snow stops.

When asked if she will resign, Scott said “I’m not even getting into these conversations” and said she hasn’t been in direct contact with Baker.

“I have had no direct conversation with the governor over the three weeks of what has been going on,” she said.

Scott has said that aging infrastructure and years of underfunding are responsible for the MBTA’s failures in the extreme snow and cold weather, and says “bold” reinvestment is needed.

“We are running an extremely aged system that is getting pounded every day,” Scott said. “This is not a spring chicken system by any stretch of the imagination.”

Gov. Charlie Baker said in a later press conference that while he has not spoken directly to Scott, he has “spent an enormous amount of time” with his transportation secretary talking about the MBTA’s plans.

MORE NEWS: Search For Missing 5-Year-Old Boy Elijah Lewis Continues In New Hampshire

“We need to get the Commonwealth back to work and we need to get our kids back to school,” Baker said.