Commuters on the 145th Street corridor in Shoreline know how bad the backups can be at the intersections just off of I-5, even before all of the construction. To smooth things out, the intersections ...

The Ohio Department of Transportation has released the results of a survey of crash data at 76 intersections around the state that had been converted to roundabouts. The data shows single-lane ...

Round and round and round they go, and when it will stop, nobody knows. As several roundabouts opened recently in central Ohio, work on others is underway. And plans for more are moving ahead as some ...

Roundabout design and safety analysis represent a critical area of research in transport engineering, combining advanced simulation techniques with empirical safety evaluations to improve urban ...

The Ohio Department of Transportation has released the results of a survey of crash data at 76 intersections around the state that had been converted to roundabouts. The data shows single-lane ...