<p>Tweefie Millspaugh has a relatively short commute from her home in North Baltimore's Abell neighborhood to her job at a downtown law firm. Without traffic, she says, it takes about 15 minutes.</p>
<p>But lately, the 54-year-old has found herself yelling fruitlessly in the driver's seat as she sits for 45 minutes on streets jammed by road closures across the city's center. After work, she waits again in a crawling line before finally inching out of her parking garage and into the gridlock.</p>