As per reports, as of Tuesday (11 November), 1600 hours local time (2100 hours UTC), the Castle Shannon Police Department has reported that Columbia Gas crews have commenced emergency repair work in the 4000 block of Library Road (Route 88) in Allegheny County, Pennsylvania.

• The northbound lane from Spring Street to McCully Road has been closed, with alternating one-lane travel in effect for the remaining section of the road.
• Authorities have stated that the repair work is expected to continue until approximately 0000 hours local time (0500 hours UTC) on Wednesday (12 November).
• Motorists have been urged to exercise caution, avoid the area if possible, and anticipate heavy traffic delays throughout the evening hours. No further details have been released regarding the cause or exact nature of the repairs.