en.Wedoany.com Reported - Carmel, Indiana, USA, has reduced its traffic signal count to nearly zero through large-scale construction of roundabouts.

The city now has 158 roundabouts, making it the city with the most roundabouts in the United States. In an article published on CNU Public Square, Robert Steuteville noted that replacing traffic signals with roundabouts has resulted in smoother traffic flow and significantly improved road safety.

Steuteville stated that roundabouts have not only improved traffic conditions but also played a key role in the redevelopment of downtown Carmel. This intersection form, combined with the city's overall renewal plan, has promoted compact, mixed-use development and slow traffic.

Henry Mestetsky, Executive Director of the Carmel Redevelopment Commission, believes that roundabouts replace congestion with continuous traffic flow, leading to safer streets and cleaner air, while creating a public space that encourages walking, cycling, and investment. He commented that roundabouts have become a "catalyst for redevelopment," supporting compact, mixed-use areas and demonstrating how thoughtful traffic design can transform a city.

During the transformation, after installing roundabouts in the city center, the city divided the original "superblocks" into smaller blocks, which were equipped with walkable frontages suitable for mixed-use development. At the same time, these roundabouts have become new green spaces and platforms for public art.

City engineer Bradley Pease explained that roundabouts are part of a broader mobility vision. Carmel's investments include multi-use trails, carefully designed narrowed lanes, and the deliberate activation of public spaces, all aimed at encouraging walking, cycling, gathering, and daily community life.

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