Resurfacing & ADA Improvements
Montgomery and Prince George’s Counties, MD

SAI, a Mead & Hunt Company, provided highway, drainage and traffic engineering design services for this safety improvement from the conceptual stage to construction documents and provided design support during construction. The project included:


    • Roadway Design
    • Hydrology and Hydraulics
    • Traffic Engineering


  • Field measured existing slopes and widths of all pedestrian ramps, sidewalks and driveways, to determine ADA compliance
  • Prepared design plans and details to upgrade the design and location of pedestrian ramps, sidewalks, and driveways
  • Provided design and specification of detectable warning surfaces
  • Designed cut-through ramps within intersection islands and medians
  • Designed signing and marking plans to replace damaged/faded signs and improve guidance and warning
  • Investigated fire hydrants and utility poles within sidewalks that conflicted with the design guidelines
  • Prepared ADA waiver applications
  • Prepared roadway construction bid documents for milling and resurfacing
  • Investigated and prepared design for upgrading existing storm drain pipes, inlets and manholes,
  • Prepared erosion and sediment control and stormwater management design.

All design was performed to meet the latest ADA design guidelines, MD SHA design criteria, “SHA Accessibility Policy & Guidelines for Pedestrian Facilities along State Highways dated December 2005” and “Americans with Disabilities Act Accessibility Guidelines (ADAAG).”

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