| List of roundabouts in Pennsylvania 
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			| The following is a list of traffic circles and ovals in Pennsylvania that meet the definition of a roundabout. They are not regulated by traffic signals and entering traffic yields to traffic already in the circle. PennDOT initiated the construction of roundabouts in 2004 to alleviate accident occurrence and/or congestion of selected intersections. *Abbottstown: U.S. Route 30 (King Street) and Route 194 (Queen Street)
 *Campbelltown: Route 117 (Forge Road) and Northside Drive
 *Delta: Route 74 (Delta Road,) Route 851 (Bryansville Road,) and Broad Street Extension
 *Linglestown:
 **Route 39 (Linglestown Road) and North Mountain Road
 **Route 39, Blue Mountain Parkway, and Pennsylvania Avenue
 *Mars:
 **Cranberry Woods Drive and Longtree Way
 **Westinghouse Drive (in the Westinghouse complex parking lot)
 *Marshalls Creek: U.S. Route 209 (Marshalls Creek Bypass and Seven Bridges Road)
 *Philadelphia: Walnut Lane, Park Line Road, and West Johnson Street
 *Quakertown: Old Bethlehem Pike and Station Road
 *Rochester: Route 18 (Brighton Avenue and Rhode Island Avenue,) Route 68 (Adams Street,) and East Park Avenue
 *Spring Grove: Route 116 (Hanover Road,) Roths Church Road, and West Hanover Street
 *Unionville, Chester County: Route 82 (Unionville Road and West Doe Run Road) and East Doe Run Road
 *Warminster Township: Old York Road at the entrance to an office park
 *Williamsport:
 **Via Bella Street and Court Street
 **Via Bella Street and Mulberry Street
 **Via Bella Street and William Street
 *Zieglerville: Route 29 (Gravel Pike) and Route 73 (Big Road)
 
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