Roles

The American Shotcrete Association (ASA) recently appointed Dennis Bittner, construction products representative for The QUIKRETE® Companies to its board of directors.

After 85 years of heavy traffic, wear and tear, the pair of 5,899-foot-long, two-lane tunnels were in dire need of structural repairs and restoration.

Connecting Pittsburgh to its southern hills, the Liberty Tunnels serve as one of the major arteries to the city, eliminating the need to travel over or around Mt. Washington.