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PITTSBURGH (KDKA) — Part of Route 51 northbound will be closed until further notice due to a major landslide near the West End Circle.

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A landslide pushed mud, trees and debris onto the road where Route 60 intersects with the ramp from northbound Route 19/51 to Carson Street, forcing its closure.

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Traffic on South Main Street and the closed ramp will be detoured.

(Image Courtesy: PennDOT)

PennDOT has posted the following detours:

Northbound Route 19/51 ramp to northbound Route 51 (West Carson Street) or southbound Route 837 (Carson Street):
• Stay straight across the West End Bridge
• Turn left onto northbound Route 65
• Follow northbound Route 65 to the McKees Rocks Bridge
• Turn left onto McKees Rocks Bridge
• Turn left onto southbound Route 51
• Follow southbound Route 51 back to the West End Circle to southbound Route 837
• End detour

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Crafton area/Route 60/Steuben Street to northbound Route 51 (West Carson Street) or southbound Route 837 (Carson Street)
• Take Route 60 to Wabash Street
• Follow Wabash Street to Woodville Street
• Turn left onto Woodville Street
• Take ramp toward I-376 Westbound/Airport
• Bear left toward I-376 eastbound
• From eastbound I-376, take the Route 19/51 West End (Exit 69C) ramp
• Follow northbound Route 19/51 to the West End Bridge
• Cross the West End Bridge
• Turn left onto northbound Route 65
• Follow northbound Route 65 to the McKees Rocks Bridge
• Turn left onto McKees Rocks Bridge
• Turn left onto southbound Route 51
• Follow southbound Route 51 back to the West End Circle to southbound Route 837
• End detour

Port Authority of Allegheny County says several bus routes will also be affected by the landslide.

Bus detours will be posted on PortAuthority.org.

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The road will be closed until further notice. Officials do not yet have a timetable for cleaning up the landslide and the road.