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OTHER PITTSBURGH and PENNSYLVANIA INFORMATION
Allegheny County official site
City of Pittsburgh official site
Commonwealth of Pennsylvania official site
Pennsylvania Department of Transportation [PennDOT] official site
U.S. Army Corps of Engineers - Pittsburgh District official site
Pittsburgh History and Landmarks Foundation - Links to Pittsburgh and Pennsylvania history and organizations.
City of Pittsburgh Step Trek - a celebration of public stairways and a charitable "stepathon" event.
Steamboat Building at Elizabeth Marine Ways - Western Pennsylvania steamer and packet boat history by Jay W. Mohney.
OTHER BRIDGE, TUNNEL and ROAD INFORMATION
Bridge Mapper by Todd Wilson
Historic Bridges by Nathan Holth
Bridge Hunter by James Baughn
Pennsylvania Highways by Jeff Kitsko
SWPA Roads Project by Adam Prince
"Bridging The Urban Landscape" Carnegie Library of Pittsburgh
Association for Bridge Construction and Design - Pittsburgh Chapter
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