Arlington, VA

Late this afternoon, Arlington County revealed that the estimated cost for the proposed Columbia Pike streetcar line has increased by as much as $100 million over a 2007 cost projection.

The five-mile Columbia Pike streetcar line will run from Pentagon City to the Skyline area of Fairfax, and cost between $242 million and $261 million, according to “a new, more detailed analysis.” In 2007, officials pegged the cost at about $161 million.

“Inflation, an increase in the scope of the proposed project, additional engineering requirements, and federal requirements for higher contingency funding and escalation accounted for the increase in projected costs,” the county said in a press release. “The $50 million per-mile cost now estimated for the proposed streetcar project is comparable to the costs of similar projects across the nation.”

Arlington and Fairfax counties are still pushing forward with the streetcar project, which will serve a transportation corridor that’s expected to add 2.2 million square feet of commercial development and 7,300 residents over the next 30 years. Officials are calling the streetcar an “innovative solution” to transportation challenges on Columbia Pike, which is currently only served by bus.

“Clearly, a streetcar-and-bus system is the best solution for people who live and work on the Pike and the people who travel along it between two major employment centers,” County Board Chairman Chris Zimmerman said in a statement. “A streetcar will enhance the Pike’s livability, help realize the vision that Arlington and Fairfax have for this vital corridor, and help ensure its long term economic and environmental sustainability.”

Construction on the streetcar line is currently projected to start in 2015, with streetcar service starting in 2017.

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