Two years ago, the streets of Grapevine, Tex., like thousands of roads across America at rush hour, resembled a parking lot every afternoon. The town of 50,000 near Dallas/Fort Worth International Airport saw 300,000 outside vehicles pass through each day as drivers sought to avoid highway delays. To solve the problem, city officials turned to Rhythm Engineering, a traffic consulting firm in Lenexa, Kan.
展开▼
