ATDE has the personnel and expertise to offer our clients a "cradle to grave" commitment, from initial Concept Plans and Site Assessments, through Permit Acquisitions and Final Construction Inspections.

• Traffic Signal Warrant Analysis
  Prepare analysis in accordance with the latest edition of the Manual of Uniform Traffic Control Devices. Determine if existing or proposed traffic conditions warrant the installation of a traffic signal.

• Traffic Signal Design
  Geometric intersection design, signal equipment layout, traffic signal system design, electrical construction plans, specifications.

• Traffic Calming Program
  Development of site specific Engineering Designs to accommodate a wide variety of conditions requiring the installation of Traffic Calming Devices. From commercial and industrial installations to local street networks, the increasingly popular use of these devices has proven to be effective if properly implemented.

• Round-About & Traffic Circle Designs
  New methodologies for designing and constructing Traffic Circles and Round-Abouts are emerging every year, and our staff has participated in planning design implementation of these specialty intersections.

• Emergency Vehicle Pre-emption Design
  Perform signal warrant analyses, geometric intersection design, signal equipment layout, traffic signal system design, electrical construction plans, specifications.

• Traffic Signal Interconnect Design
  Using the standards contained in the Manual on Uniform Traffic Control Devices, develop plans to channelize and/or detour traffic through roadway work zones, as required for project needs or by jurisdictional agencies.

• Maintenance & Protection of Traffic Plans
  Using the standards contained in the Manual on Uniform Traffic Control Devices, develop plans to channelize and/or detour traffic through roadway work zones, as required for project needs or by jurisdictional agencies.

• Highway Design
  Prepare geometric layout of horizontal and vertical alignment, sight distance evaluation, intersection design, signage and pavement marking plans.

• Construction Observation
  Conduct field observation of all aspects of construction related activities.

• Site Planning
  Prepare geometric site layout with focus on access, on-site circulation, and parking; with expertise in developing appropriate queuing areas, and designing for parking demands.