Through a spiraling, guided design, turbo roundabouts simplify the decision-making process, unlike conventional roundabouts, where drivers sometimes suddenly change lanes or hesitate at entry points.

The turbo roundabout, first invented in the Netherlands, is meant to slow down drivers and reduce conflict points — places where drivers might strike each other.

New ‘turbo roundabout’ south of San Jose is only the second of its kind in the U.S. The design aims to reduce crashes at dangerous intersection of highways 25 and 156s ...

The whole point of a roundabout is to slow traffic, but turbo roundabouts are different, and this is one of only three in the ...

The “turbo roundabout” at the intersection of highways 25 and 156 in Hollister, Calif., on Tuesday, April 1, 2025. (Nhat V. Meyer/Bay Area News Group) ...

SAN BENITO COUNTY, Calif. — After months of construction, California's first and America's second turbo roundabout will soon open all lanes of traffic at the Highway 25 Highway 156 roundabout ...

Caltrans built the state’s first turbo roundabout at the intersection of highways 25 and 156 near Gilroy, Calif., pictured Friday, Dec. 29, 2023. MediaNews Group/The Mercury News/Getty Images.

Caltrans is constructing a new “turbo roundabout” at the intersection of highways 25 and 156, near Gilroy, Calif., on Friday, Dec. 29, 2023.

A new turbo roundabout is seeing triple the rate of accidents then the year before it was constructed, but experts say decreasing rates of injury prove that the new intersection is safer.

the first turbo roundabouts were introduced in the netherlands in the 1990s. the design made its first appearance in the united states in 2022, when a turbo roundabout opened in jacksonville, florida.

Turbo roundabouts control high-capacity traffic without the need for signals or sophisticated signage by assigning lanes before entry and keeping vehicles locked into their intended paths. ...

The “turbo roundabout” at the intersection of highways 25 and 156 in Hollister, Calif., on Tuesday, April 1, 2025. (Nhat V. Meyer/Bay Area News Group) ...