When the Maryland Department of Transportation’s (MdDOT) major planning document for I-270 was released last year, the Gazette newspaper summarized it with the front-page headline “Drivers may see little improvement with highway changes.” The “changes” were works that would cost some $1.8 to $2.2 billion. They would rebuild the heavily burdened highway, expanding a section of its northern end from two lanes to four and also upgrading US-15, an important feeder route. Each alternative also includes transit improvements with capital costs of between $300 and $860 million.

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