ROADWAY DGL has one of the largest transportation engineering groups in Northwest Ohio. We provide professional services on a wide variety of projects, including everything from simple roadway widening to complex major interchange construction. Our knowledge in the development of transportation projects allows us to perform a full range of services which include, but are not limited to:

  • Erosion and sediment control design and inspection services
  • Environmental document preparation; floodplain and hydraulic analysis
  • Highway / railroad grade separations
  • Hydrology and drainage design
  • Interchange design
  • Transporation master planning
  • Land design
  • Pavement evaluation and rehabilitation
  • Retaining walls
  • Street and roadway design
  • Stormwater pollution prevention plans, installation inspection and monitoring
  • Post-construction best management practices

TRAFFIC Our traffic engineering team has extensive experience in a multitude of traffic control / operations software packages such as: Sidra, Petra; SWISS II; Trax Pro; Highway Capacity Software (HCS); Synchro; Sim Traffic and PC Warrants. We stand by the fact that efficient movement of people and goods is essential to public safety. Our traffic engineers are experienced in analyzing the impact of proposed developments and transportation improvements on such diverse systems as:

  • Arterials and streets
  • Bikeway systems
  • Existing neighborhoods
  • Highways and expressways
  • Parking facilities
  • Pedestrians and transit systems

BRIDGE DGL has provided bridge engineering services since the 1950’s, which includes the following:

  • Bridge and culvert design
  • Historic and non-historic bridge rehabilitation
  • Dam design
  • Rehabilitation and FERC analysis
  • Bridge inspections
  • Load ratings

In 2009, the firm decided to expand our structural engineering services to encompass other types of projects. Our structural staff has nearly 75 years of experience in the inspection, analysis, rehabilitation and design of industrial facilities, retaining walls and specialty structures. Project assignments undertaken by our staff have ranged from small equipment foundations to support an industrial process change, to the feasibility analysis and design for the rehabilitation of a navigational lock along the Mississippi River.