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Friday, December 09, 2016
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Wabash Tunnel & HOV


Wabash Tunnel Advisories:

Due to the two-year West Carson Street reconstruction project, HOV restrictions are temporarily lifted until December 31, 2016. Automobiles with one occupant will be permitted in the tunnel during peak periods while the project is ongoing. Please refer to the chart below for hours of operation and direction.

The Port Authority-owned Wabash Tunnel provides a shortcut for motorists from Route 51 to the South Side and Downtown Pittsburgh. The centuries-old former railroad tunnel was opened as a commuter tunnel in December 2004. 

Port Authority buses/T do not use the Wabash Tunnel.








Monday-Friday 6 a.m.-2 p.m.



Monday-Friday 2 p.m.-3 p.m.



Monday-Friday 3 p.m.-11 p.m.



Monday-Friday 11 p.m.-6 a.m. 



Saturday & Sunday 6 a.m.-11 p.m. 


Closed  Saturday & Sunday 11 p.m.-6 a.m.  


*One-hour closure so that traffic direction can be changed.





Additional Operating Restrictions



  • Speed limit in the Wabash Tunnel is 25 miles per hour and 15 miles per hour around curves
  • No vehicle over 13’1” is permitted in the tunnel
  • No tractor-trailers or similar commercial trucks are permitted in the tunnel
  • No flammable liquids or explosives are permitted in the tunnel

Parking Information

Adjacent to the Wabash Tunnel on West Carson Street is a 160-space paid parking lot that includes six ADA-accessible spaces. The lot is operated by PPG Public Parking, a private company, and is located close to the T, Mon Incline and many bus routes.

For more information on the Wabash lot, including parking rates, visit PPG Public Parking's website.

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