St. Mary's Road - Rheem Boulevard Roundabout

Southwest County
PROJECT BUDGET $6.0 Million
PROJECT SPONSOR
Town of Moraga
LOCATION:
St. Mary's Road/Rheem Boulevard intersection
STATUS:
Ongoing
The National Cooperative Highway Research Program published “Roundabouts in the United States” in 2007 and found that conversions of an intersection from a side-street stop controlled intersection to a roundabout had a 44% reduction in all crashes and an 81% reduction in injury crashes based on a study of 36 intersections.
In 2007, the community residents expressed concern of the safety of two intersections with St. Mary’s Road - Rheem Boulevard and Bollinger Canyon Road - which are within 500 feet of each other. The safety issues expressed are related to the S-curve located between these two intersections, the change in grade, and sight distance. Following extensive analysis and public input, the Town Council approved in 2010, the construction of a roundabout at the intersection of St. Mary’s Road and Rheem Boulevard. ...more