The Montgomery County Engineer's Office (MCEO), located in Dayton, Ohio, is responsible for building, maintaining, and operating 311 miles of county roads, 523 bridges, 55 traffic signals and approximately 7,000 traffic control signs. Montgomery County, population 530,000, has regional amenities that far surpass most communities of its size, including ballet, philharmonic orchestra, opera, major theater productions, a 2,300-seat performing arts center, an outdoor concert venue, a major art institute/museum, minor league professional baseball, a regional park system with 19 parks, the longest interconnected off-road trail system in the country, 15 colleges and universities, and 3 major hospital systems. 50 miles from Cincinnati with 3 professional sports teams, a major z