Delays on the Red Line on Wednesday morning, July 31, 2024, after Metro said an arcing insulator at Van Ness led it to close that station and Tenleytown. This photo shows commuters at Friendship ...

WASHINGTON (7News) — Riders on the Metro Red Line had a tough morning rush hour Wednesday, as an electrical issue called an arcing insulator led Metro to close both Van Ness-UDC and Tenleytown.

When moisture builds up on arcing insulators on the third rail it can spark and start fires around the tracks. Red Line service resumes at 4 Metro stations after repairs made to arcing insulator ...