This Before-and-After Study summarizes predicted versus actual construction costs, service levels, project scope and ridership for the Puerto Rico Highway and Transportation Authority - Tren Urbano Heavy Rail Project that opened to service 2004.

This Before-and-After Study summarizes predicted versus actual construction costs, service levels, project scope and ridership for the Sprinter light rail transit that opened to service 2008.

This Before-and-After Study summarizes predicted versus actual construction costs, service levels, project scope and ridership for the Tri-Rail Double Tracking Corridor Improvement Program Segment 5 commuter rail transit that opened to service in 2006...

This Before-and-After Study summarizes predicted versus actual construction costs, service levels, project scope and ridership for the South Corridor light rail transit that opened to service in 2007.

This Before-and-After Study summarizes predicted versus actual construction costs, service levels, project scope and ridership for the Euclid Corridor Transportation Project that opened to service in 2008.

This Before-and-After Study summarizes predicted versus actual construction costs, service levels, project scope and ridership for the Metro Gold Line Eastside Extension that opened to service in 2009.

This Before-and-After Study summarizes predicted versus actual construction costs, service levels, project scope and ridership for the Central Phoenix / East Valley Light Rail that opened to service in 2008.

This Before-and-After Study summarizes predicted versus actual construction costs, service levels, project scope and ridership for the Northstar Corridor Rail Project that opened to service in 2009.

This Before-and-After Study summarizes predicted versus actual construction costs, service levels, project scope and ridership for the Wilsonville to Beaverton Commuter Rail that opened to service in 2009.

This Before-and-After Study summarizes predicted versus actual construction costs, service levels, project scope and ridership for the Weber County to Salt Lake Commuter Rail that opened to service in 2008.