Pete Piringer, a spokesman at Montgomery County Fire, said in a Twitter message that there was an earlier problem with an insulator at the Wheaton stop.

Riders shared —

Updated at 8:36 a.m.

Riders on Metro’s Red Line should expect delays.

Trains are sharing a track between the Forest Glen and Wheaton stations because of a problem with a track outside the Wheaton stop. It is not clear how long it will last.

Metro also has other troubles.

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The Orange Line has delays in both directions because of a problem with a train outside the Minnesota Avenue stop.

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It was not immediately clear if the problems are weather-related.

Original post at 6:36 a.m.

Metro said its bus service will switch from a “severe” snow plan to a “moderate” snow plan, meaning it will begin to operate on additional routes.

The change begins at 7 a.m. Bus routes available under a “moderate” snow plan are available here.

Metro’s trains are running about every 12 minutes. The transit agency is not running its MetroAccess service on Tuesday because of the weather.