WBCM played a significant role in the design of the State of Maryland’s Intercounty Connector (ICC) Project. The ICC, also known as MD 200, is a state-of-the-art, toll-operated, multi-modal roadway that covers approximately 18.8 miles and links existing and proposed development between the I-270 and I-95/US 1 corridors within Montgomery County and Prince George’s County. The ICC was completed through the use of phased design/build contracts.
WBCM was responsible for the design of the intersection of MD 200 and US 1 as part of the ICC Contract D/E. Design efforts included highway design of MD 200, reconstruction of US 1 to a four lane divided highway, ADA compliant sidewalks and crosswalks, storm drain design, stormwater management, and erosion and sediment control.
The MD 200/US 1 interchange was designed as a Continuous Flow Intersection (CFI) – only the second of its kind in the State of Maryland – posing significant geometric, traffic signal design, and traffic signal timing challenges.
Sign structure designs included a total of 82 guide signs, including 13 overhead (including DMS supports), 21 cantilever, 4 butterfly and 42 ground mounted installations. Temporary signals, signing and interconnect plans were developed to accommodate maintenance of traffic (MOT) phases. The signing placements were coordinated with the ITS designs for the DMS locations and toll rate message signs were coordinated with the design of the guide sign panels.
Maryland State Highway Administration
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Environmental Water Resources