Subsurface Utility Engineering (SUE) & Multimodal Design – Aspen Street & Wheeler Road, DC
Precision Systems, Inc. (PSI) provided context-sensitive design and Subsurface Utility Engineering (SUE) services for the Aspen Street and Wheeler Road corridors in Washington, DC. The project focused on enhancing multimodal safety, implementing green infrastructure (GI), and maintaining the historic integrity of the surrounding neighborhood.
Located near DC International School, the corridor posed unique safety and traffic challenges. PSI prioritized school zone safety by designing pedestrian-focused elements, including curb extensions, protected crossings, and traffic calming features.
PSI conducted AutoTURN analyses to simulate vehicle movements and refine roadway geometry, ensuring safe access for vehicles, buses, and cyclists.
A major component of the project was Subsurface Utility Engineering (SUE). PSI led the identification and coordination of utility conflicts involving water, stormwater, gas, telecommunications, and power infrastructure. The team collaborated with DC Water and PEPCO to support the undergrounding of power lines, relocation of major water mains, and integration of stormwater management features such as rain gardens and permeable pavement in parking lanes.
Through strategic utility coordination, multimodal safety improvements, and green infrastructure integration, PSI delivered a sustainable, future-ready corridor that supports both community and environmental resilience.
