DuBois & King’s transportation team works with communities, agencies, and the public on a range of transportation projects. Our work includes roadways, realignments and improvements, repairs and widening projects, new alignments, bridge rehabilitation and replacement, utility relocation, sidewalks, intersections, traffic calming, complete streets, and bicycle and shared-use paths. Our transportation engineers understand transportation programs and…
D&K’s bridge engineers conduct condition assessments and load ratings, make recommendations for rehabilitations and replacements, and perform bridge inspections in accordance with the guidelines outlined in the Federal Highway Administration’s National Bridge Inspection Program and Bridge Inspectors Training Manual. Our professionals are thoroughly familiar with the latest AASHTO, state design codes and specifications, and principles…
D&K’s transportation planners and engineers develop sidewalk, shared-use path, bike lane, traffic calming, pedestrian crossing, and signing and pavement marking projects. We lead bicycle and pedestrian facilities in rural and urban contexts to address challenges, such as encroachment into limited access rights-of-way, close proximity to infrastructure, street and rail crossings, stormwater treatment issues, utility conflicts,…
DuBois & King’s aviation engineers support municipal, state, and private general aviation and commercial airports. D&K planners and engineers include FAA-certificated private and commercial pilots who have thorough knowledge of regulations and strong working relationships with FAA staff. We support the preparation of grant applications, and our team’s experience and connections result in successful project…
The Town and CCRPC wished to explore the feasibility and costs of transforming the Shelburne Village Gateway into a walkable, bikeable, vibrant mixed-use development area. The Gateway is anchored by successful local businesses that draw visitors and generate pedestrian traffic and transit riders. D&K explored opportunities to improve multimodal transportation connectivity. We developed alternatives that…
The NH 3A and Dunklee Road intersection previously existed as an unsignalized ‘T’ intersection that required operators of tractor-trailers to drive in the oncoming lane when turning right onto NH 3A—an unsafe condition. Located in an industrial/commercial context, NH 3A is frequently used to bypass a tolled section of I-93 near the I-93/I-98/NH-3A junction. Working…
The goal of the Crescent Connector project was to provide a bypass of the congested Five Corners intersection for south-to-east travelers. The project included complete streets enhancements, parking, an 850-ft segment of new roadway, and 500 ft of roadway enhancement around the east side of Five Corners. D&K served as the lead consultant, designing the…
Located in the downtown core, adjacent to the Village Green, the Fair Haven Park and Ride lot consisted of lightly marked spaces with no separation from the roadway on either side. The large contiguous area of paved surface, lack of pedestrian facilities, and minimal striping provided a low level of service. Frequently used by residents…
NHDAS and the NH Legislature relied on a deteriorating parking structure to serve legislative sessions and other government needs. The NH State Government required a new 409-slip garage across the street from the State House on a site then occupied by the NH Department of Justice (DOJ) building. The DOJ was relocated within the City…