It could be a month before the Boston area's transit system is running at full capacity again following a series of snowstorms.

MBTA General Manager Beverly Scott said Monday that the storms that have dropped more than seven feet of snow in the region have ``crippled our infrastructure.''

The snow and ice has frozen switches, covered tracks and damaged equipment.

The problems have led to limited service and longer-than-normal commutes.

The T announced that it would offer limited bus and rail schedule on Tuesday.

Trolley and subway trains will run less frequently than on a normal weekday. Some stretches of track remain closed.

Commuter rail lines will also operate on a reduced schedule. Buses are expected to face delays.

Commuters are urged to check the MBTA's website for updated schedules.

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