Transportation

  • NH 12A Bridge Replacement

    The City of Lebanon needed to replace a functionally obsolete crossing with inadequate geometry that was at the end of its service life. The three-span, 145-ft-span steel stringer bridge that crosses over the New Hampshire Railroad serves NH 12A at a skew with the railroad tracks immediately adjacent to the congested intersection with US 4….

  • Happy Hollow Culvert

    The Town of Royalton secured FEMA funds to replace a culvert that had been undermined by a large storm event. DuBois & King designed a 12-ft-wide by 7-ft-tall metal arch plate culvert that was sized to accommodate large, native boulders to attenuate flows and provide eddies for fish to rest in while traveling up the…

  • Machias Valley Airport Fuel Farm

    To serve existing users and a projected increase in operations, the Machias Valley Airport needed to upgrade its fuel farm. Under an on-call contract for airport engineering, D&K worked with the airport to design and support the construction of an AVGAS/100LL fuel farm, including a supplemental survey, structural considerations for a concrete slab to support…

  • Central Vermont Medical Center

    With 122 beds, the Central Vermont Medical Center serves the 26 communities of Central Vermont and provides a variety of inpatient and outpatient services. For decades, CVMC has entrusted D&K to assist with the support of their projects with civil-site, permitting, traffic engineering, and MEP needs. Our extensive work on the CVMC campus has provided…

  • Statewide Roadway and Traffic Engineering

    To manage the development of ancillary highway and safety projects in scoping, design, and construction phases, the Vermont Agency of Transportation engages on-call consultants to provide engineering evaluation, design, permitting, and appurtenant professional services. D&K provides services under a statewide contract developing projects that enhance traffic control and signing, intersections, slopes, rail crossings, park-and-rides, rest…

  • Rangeley Stephen A. Bean Municipal Airport

    Under a multi-year contract and an expedited schedule, DuBois & King provided guidance on planning, technical, environmental, and regulatory issues. Projects under this contract included a Capital Improvement Plan update, technical master plan update, runway extension, hangar area development, terminal apron expansion, Environmental Assessment, construction of a full parallel taxiway, snow removal equipment acquisition, a…

  • Burlington School District Travel Plan

    The City of Burlington and Burlington School District required an assessment of regional, neighborhood, and individual school campuses’ travel patterns and access constraints. A school travel plan was needed for ten campuses, including elementary, middle, and high schools, to make recommendations for small- and large-scale products to increase equitable access to public school for all….