JMT - Transportation - Johnson, Mirmiran & Thompson

Aerial view of a traffic circle with five legs — A new, five-legged roundabout improves traffic flow and safety at an intersection that was previously challenging for drivers and pedestrians.

Large red ship docked in the Cooper River — Access to transport large cables, vessel installation, construction of a marine terminal/quay to allow safe mooring of vessels and handling during vessel loading

11th Street Corridor Bridges over the Anacostia River and Interchanges — The replacement of three bridges across the Anacostia River, including the reconstruction or new construction of eight signalized intersections.

Connecting Communities. Advancing Mobility.

At JMT, transportation is more than movement—it’s momentum. Our transportation services are built on decades of experience delivering safe, efficient, and forward-thinking infrastructure that connects people and places. From planning and design to construction support and operations, we provide comprehensive solutions that improve mobility, enhance safety, and support long-term growth.

Our multidisciplinary teams specialize in roadway and bridge design, traffic engineering, transit planning, and intelligent transportation systems. We support projects across all modes—highways, local roads, transit corridors, airports, and multimodal networks—bringing deep technical expertise and a collaborative approach to every assignment. Whether developing access roads, conducting traffic calming studies, or designing complex interchanges, we tailor each solution to meet the unique needs of the communities we serve.

JMT’s transportation practice is grounded in innovation and guided by a commitment to quality. We integrate advanced modeling, GIS, and digital delivery tools to streamline workflows and improve decision-making. Our services also include grant writing assistance, permitting, utility coordination, and stakeholder engagement—ensuring that projects are not only technically sound but also publicly supported and financially viable. With a proven track record of successful project delivery and a passion for building better networks, JMT is helping shape the future of transportation—one connection at a time.

Let’s move forward together.

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