MD 4 Suitland Parkway Design Modification
Montgomery County, MD
MD 4 Suitland Parkway Design Modification, Montgomery County, MD
As part of the corridor improvements for MD 4, AMT conducted multiple traffic studies and design services for the roadway widening and grade separation of MD 4/Suitland Parkway. The project included the design of a diamond interchange, MD 4 mainline widening and reconstruction, new service road design, and intersection improvements. AMT provided planning, preliminary and final design, and construction phase services including: Crash Analysis & Safety ; Corridor and Intersection Analysis/Capacity Analysis and Congestion Mitigation; Developer Plan and TIS Analysis Review/Signal Warrant Studies; Lightning Analysis; Street Lights; and Maintenance of Traffic Alternatives Analysis (MOTAA).
AMT staff coordinated with FAA to confirm acceptable pole heights; modification to design to use LED roadway luminaires; long term temporary signal design given complex MOT phasing and interconnect design plans (MOT/Ultimate).
The project included the design of a diamond interchange, MD 4 mainline widening and reconstruction, new service road design, and intersection improvements.