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Adds “construction of roundabouts” to the list of eligible activities under the Surface Transportation Block Grant Program (23 U.S.C. 133(b)). By inserting this explicit eligibility, State and local governments, metropolitan planning organizations, and other STBG recipients can use block grant funds for planning, design, and construction of roundabouts under existing program rules; the change does not create new funding, nor does it change other STBG requirements.
Adds a new numbered item (25) to Section 133(b) of title 23 that reads: “Construction of roundabouts.”
Who is affected and how:
State governments and State Departments of Transportation: Gain an explicit statutory basis to program STBG funds for roundabout projects, simplifying project justification and grant programming. This may make it easier to include roundabouts in State Transportation Improvement Programs (STIPs).
Local governments and Metropolitan Planning Organizations (MPOs): Can propose roundabout projects for STBG funding with clearer statutory backing. This helps municipalities that prioritize intersection redesigns for safety and traffic operations.
Transportation sector (planners, engineers, contractors): Potential increase in project proposals and procurements for roundabout planning, engineering, and construction where STBG funds are available.
Road users and local communities: Potential safety and traffic-flow benefits if more roundabouts are built. Communities that prefer roundabouts for traffic calming or safety improvements may find an additional funding avenue.
Federal agencies (FHWA/DOT): Minimal administrative impact beyond updating guidance and allowable-activities lists; funding oversight and grant administration continue under existing rules.
Net effect: The amendment simply expands the list of STBG-eligible activities to expressly include roundabout construction, removing ambiguity and potentially increasing the number of roundabout projects funded under existing STBG allocations. It does not allocate new money, alter matching requirements, or add reporting mandates.
Expand sections to see detailed analysis
Referred to the House Committee on Transportation and Infrastructure.
Introduced May 15, 2025 by Laura Gillen · Last progress May 15, 2025
Referred to the Subcommittee on Highways and Transit.
Referred to the House Committee on Transportation and Infrastructure.
Introduced in House