City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Cambridge,
ON Waterloo Canada |
Pinebush RD / Thompson Dr / Tyler St (43.41532, -80.28663) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.7152 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | ICD estimated from Google Maps linework. |
Cambridge,
ON Waterloo Canada |
Hespeler Rd (RR24) / Queen St (43.42000, -80.32873) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.7115 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2013 | ICD estimated from Google Maps linework. |
Waterloo,
ON Waterloo Canada |
Westmount Rd N (RR 50) / Laurelwood Dr / (parking lot) (43.47651, -80.56252) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 49.4003 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2014 | ICD estimated from Google Maps linework. |
Kitchener,
ON Waterloo Canada |
Homer Watson Blvd / Ottawa St S (43.42681, -80.48233) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 58.1148 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | ICD estimated from Google Maps linework. |
Somerville,
MA Middlesex Co. United States |
Great River Rd. / Grand Union Blvd. (42.39621, -71.08140) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.7524 |
Other (At-Grade) Single-Lane |
2011 | ICD estimated from Google Maps linework. |
North Plymouth,
MA Plymouth Co. United States |
Water St. / South Park Ave. (41.96132, -70.66773) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.5310 |
Other (At-Grade) Single-Lane |
2014 | rotary conversion ICD estimated from Google Maps linework. |
Toronto,
ON Toronto Canada |
Connaught Cir. / Claxton Blvd. (43.68917, -79.42497) |
Other Existing |
All-Way Stop Unknown |
3 Approaches 0 Driveways 39.7263 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Toronto,
ON Toronto Canada |
Spadina Crescent (43.65968, -79.40070) |
Other Existing |
Other Pedestrian Signal (red-yellow-green to drivers) |
4 Approaches 2 Driveways 136.5184 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1815 | Extremely old traffic circle. Building with parking in center island; street car tracks in circle. No control on Spandina Ave. entrances; stop signs on Russell St. entrances. ICD estimated from Google Maps linework. |
South Fulton,
GA Fulton Co. United States |
Cascade-Palmetto Hwy (GA154) / Cedar Grove Rd / Ridge Rd (33.61907, -84.67141) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.7770 |
Other (At-Grade) Single-Lane |
2014 | ICD estimated from Google Maps linework. |
Windsor,
CA Sonoma Co. United States |
Old Redwood Hwy / Market St (38.54956, -122.81353) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.5598 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
Windsor,
CA Sonoma Co. United States |
Old Redwood Hwy / Windsor Rd (38.55271, -122.81661) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.7562 |
Other (At-Grade) Single-Lane |
2016 | ICD estimated from Google Maps linework. |
Amesbury,
MA Essex Co. United States |
Friend St / School St (Rte 150) / Allens Ct (42.85615, -70.93410) |
Roundabout Existing |
Other None |
4 Approaches 0 Driveways 26.2656 |
Other (At-Grade) Single-Lane |
2001 | North leg stop-controlled. Fire station on south leg. Resurfaced on 2017. ICD estimated from Google Maps linework. |
Amesbury,
MA Essex Co. United States |
Market St (Rte 150) / Elm St / Main St (Rte 150) / High St (42.85794, -70.93010) |
Traffic Calming Circle Existing |
Other None |
4 Approaches 0 Driveways 13.1324 |
Other (At-Grade) Single-Lane |
On-Street parking in the traffic circle ICD estimated from Google Maps linework. | |
Newburyport,
MA Essex Co. United States |
Newburyport Turnpike (US 1) / State St (42.79893, -70.87539) |
Rotary Existing |
All-Way Yield None |
3 Approaches 5 Driveways 74.4880 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
No Ped facilities ICD estimated from Google Maps linework. | |
Gloucester,
MA Essex Co. United States |
Washington St / Middle St (42.61204, -70.66700) |
Traffic Calming Circle Existing |
Uncontrolled None |
4 Approaches 0 Driveways 25.4902 |
Other (At-Grade) Single-Lane |
Pavement markings done around 2013, on-street parking at traffic circle ICD estimated from Google Maps linework. | |
Georgetown,
DE Sussex Co. United States |
Zoar Rd. / Bethesda Rd. / Speedway Rd. (38.65384, -75.36140) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 41.9711 |
Other (At-Grade) Single-Lane |
2017 | Replaced two closely spaced TWSC intersections. ICD estimated from Google Maps linework. |
Georgetown,
DE Sussex Co. United States |
The Circle (Georgetown Circle) (38.69005, -75.38587) |
Other Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 66.1876 |
Other (At-Grade) Single-Lane |
1791 | New town built as county seat centered on circle instead of more traditional square. Pedestrian access to center island. Parking at buildings on the circle. No raised splitter islands. ICD estimated from Google Maps linework. |
Toronto,
ON Toronto Canada |
Port Union Rd. / Bridgend St. (43.77682, -79.13549) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 31.0447 |
Other (At-Grade) Single-Lane |
2011 | ICD estimated from Google Maps linework. |
Markham,
ON York Canada |
Swan Lake Blvd. / Lakeside Vista Way. (43.89623, -79.25077) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 38.0000 |
Other (At-Grade) Single-Lane |
2001 | Year Completed estimated (2000-2001). |
Wall Township,
NJ Monmouth Co. United States |
RT-34 S / Allaire Rd. (40.15011, -74.09599) |
Rotary Existing |
Other Unknown |
4 Approaches 0 Driveways 106.8086 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Built in the 1930s. Yield signs on Allaire Rd approaches; some kind of traffic lights on Rt 34 approaches. ICD estimated from Google Maps linework. | |
Hasbrouck Heights,
NJ Bergen Co. United States |
Passaic Ave. / Boulevard (40.85798, -74.08175) |
Other Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 54.1986 |
Other (At-Grade) Single-Lane |
Very narrow splitter islands. ICD estimated from Google Maps linework. | |
Bourne,
MA Barnstable Co. United States |
US 6 (Rte 3) / Scenic Hwy (41.78067, -70.54342) |
Rotary Removed |
All-Way Yield Unknown |
4 Approaches 4 Driveways 26.7184 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2007 | Rotary replaced with an interchange. ICD estimated from Google Maps linework. |
South Yarmouth,
MA Barnstable Co. United States |
River St / Pleasant St (41.65652, -70.19715) |
Traffic Calming Circle Existing |
Uncontrolled None |
3 Approaches 2 Driveways 36.5857 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Markham,
ON York Canada |
Wilfred Murison Ave / William Berczy Blvd (43.88681, -79.30799) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.4560 |
Other (At-Grade) Single-Lane |
2015 | Previously a traffic circle ICD estimated from Google Maps linework. |
Markham,
ON York Canada |
Wilfred Murison Ave. / Harbord St. (43.88567, -79.31277) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 25.8235 |
Other (At-Grade) Single-Lane |
2014 | Year Completed estimated (2013-2015). ICD estimated from Google Maps linework. |
Markham,
ON York Canada |
William Berczy Blvd. / Beckett Ave. (43.88444, -79.30585) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 39.5968 |
Other (At-Grade) Single-Lane |
2012 | ICD estimated from Google Maps linework. |
Markham,
ON York Canada |
Harbord St. / Beckett Ave. (43.88279, -79.31197) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 26.6855 |
Other (At-Grade) Single-Lane |
2014 | Year Completed estimated (2013-2015). ICD estimated from Google Maps linework. |
Mississauga,
ON Peel Canada |
Duke of York Blvd. / Square One Dr. (43.59181, -79.64742) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 32.0056 |
Other (At-Grade) Single-Lane |
2011 | ICD estimated from Google Maps linework. |
Mississauga,
ON Peel Canada |
Hazelton Pl. / Plantation Pl. (43.55342, -79.71753) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 13.8491 |
Other (At-Grade) Single-Lane |
2015 | Year Completed estimated (2013-2015). ICD estimated from Google Maps linework. |
Point of Rocks,
MD Frederick Co. United States |
US 15 / Point of Rocks Rd. (39.28643, -77.53096) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 47.1443 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2008 | ICD estimated from Google Maps linework. |
Oak Bluffs,
MA Dukes Co. United States |
Barnes Rd / Edgartown Vineyard Haven Rd (41.42083, -70.60172) |
Roundabout Existing |
Unknown None |
4 Approaches 0 Driveways 28.6589 |
Other (At-Grade) Single-Lane |
2013 | ICD estimated from Google Maps linework. |
Carmel,
IN Hamilton Co. United States |
N Gray Rd. / E Smokey Row Rd. (E 136th St.) (39.98556, -86.08969) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 36.6041 |
Other (At-Grade) Single-Lane |
2017 | ICD estimated from Google Maps linework. |
Carmel,
IN Hamilton Co. United States |
Hazel Dell Pkwy. / E 116th St. (39.95660, -86.07408) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 47.6055 |
Other (At-Grade) Multilane (3+ Lane) |
2017 | ICD estimated from Google Maps linework. |
Carmel,
IN Hamilton Co. United States |
W 106th St. / Towne Rd. (39.94132, -86.20314) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2017 | RRFB added: https://content.govdelivery.com/accounts/INCARMEL/bulletins/37421df |
Carmel,
IN Hamilton Co. United States |
W Carmel Dr. / S Guilford Rd. (39.96526, -86.14116) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 38.4457 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | ICD estimated from Google Maps linework. |
Carmel,
IN Hamilton Co. United States |
W Carmel Dr. / W City Center Dr. (39.96562, -86.14400) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 43.0224 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | ICD estimated from Google Maps linework. |
Carmel,
IN Hamilton Co. United States |
W City Center Dr. / S Guilford Rd. (39.96801, -86.14104) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 45.7669 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | ICD estimated from Google Maps linework. |
Carmel,
IN Hamilton Co. United States |
W City Center Dr. / S Range Line Rd. (39.97069, -86.12696) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | Raised crosswalks. |
Carmel,
IN Hamilton Co. United States |
E 126th St. / Kinzer Ave. (39.97112, -86.11843) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 32.9506 |
Other (At-Grade) Single-Lane |
2017 | One approach stubbed off. ICD estimated from Google Maps linework. |
Carmel,
IN Hamilton Co. United States |
W City Center Dr. / N Pennsylvania St. / (hotel parking) (39.96483, -86.15517) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 35.6998 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2016 | Crosswalk on hotel parking leg is at entrance line. ICD estimated from Google Maps linework. |
Carmel,
IN Hamilton Co. United States |
E Smokey Row Rd. / Carey Rd. (39.98591, -86.10820) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 25.6227 |
Other (At-Grade) Single-Lane |
2016 | ICD estimated from Google Maps linework. |
Carmel,
IN Hamilton Co. United States |
S Range Line Rd. / Executive Rd. (39.96334, -86.12687) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 33.8698 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2018 | ICD estimated from Google Maps linework. |
Carmel,
IN Hamilton Co. United States |
Carey Rd. / Hawthorne Dr. W (39.99353, -86.10848) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 34.7698 |
Other (At-Grade) Single-Lane |
2016 | ICD estimated from Google Maps linework. |
Carmel,
IN Hamilton Co. United States |
S Range Line Rd. / W Elm St.-E Elm St. (39.97526, -86.12709) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2017 | City of Carmel changed name of 4th St. SE to Elm St. in 2022. |
Carmel,
IN Hamilton Co. United States |
W 116th St. / Towne Rd. (39.95572, -86.20253) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | |
Hudson,
MA Middlesex Co. United States |
Washington St (Rte 85) / Central S / Main St (Rte 62) (42.39127, -71.56985) |
Traffic Calming Circle Existing |
All-Way Yield None |
3 Approaches 0 Driveways 21.1699 |
Other (At-Grade) Single-Lane |
On street parking in circulatory roadway ICD estimated from Google Maps linework. | |
Lakewood,
CO Jefferson Co. United States |
S Indiana St. / W Wesley Ave. (39.67204, -105.16890) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.0944 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Logan,
UT Cache Co. United States |
E 500 N / N 600 E (41.74069, -111.81931) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 36.5378 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
Fishers,
IN Hamilton Co. United States |
E 96th St. / Lantern Rd. (39.92738, -86.01380) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 53.3400 |
Other (At-Grade) Multilane (3+ Lane) |
2017 | On boundary between Fishers and Indianapolis and between Hamilton County and Marion County. |
Fishers,
IN Hamilton Co. United States |
E 131st St. / Lantern Rd. (39.97875, -86.01409) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 33.8622 |
Other (At-Grade) Single-Lane |
2012 | Year Completed estimate (2009-2012). ICD estimated from Google Maps linework. |
Cedar Park,
TX Williamson Co. United States |
Lynnwood Trl. / E Park St. (30.51423, -97.81197) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
2002 | Minimal splitter islands on two legs. |
Cedar Park,
TX Williamson Co. United States |
Crockett Rd. / Truman Ln. (30.51700, -97.80960) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6710 |
Other (At-Grade) Single-Lane |
2002 | Minimal splitter islands. |
Cedar Park,
TX Williamson Co. United States |
Discovery Blvd. / Central Park Dr. / (parking access road) (30.52554, -97.82136) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2004 | Right-turn bypass lane on south leg. Year Completed estimated (2002-2005). |
Fullerton,
CA Orange Co. United States |
Starbuck St. / Hughes Dr. (33.88227, -117.96367) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.7709 |
Other (At-Grade) Single-Lane |
2003 | Painted splitter islands. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework. |
Fullerton,
CA Orange Co. United States |
Nicolas Way / Hughes Dr. (33.88107, -117.95884) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 23.7967 |
Other (At-Grade) Single-Lane |
2003 | Painted splitter islands. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework. |
Amerige Heights,
CA Orange Co. United States |
1919 W Malvern Ave (33.87845, -117.96296) |
Other Existing |
Other Unknown |
3 Approaches 0 Driveways 26.7721 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Fullerton,
CA Orange Co. United States |
Starbuck St. / Hetebrink St. (33.88433, -117.96291) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.7532 |
Other (At-Grade) Single-Lane |
2003 | Painted splitter islands. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework. |
Fullerton,
CA Orange Co. United States |
Nicolas St. / Hetebrink St. / Benchley St. (33.88314, -117.95815) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 23.7961 |
Other (At-Grade) Single-Lane |
2003 | Painted splitter islands. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework. |
Fullerton,
CA Orange Co. United States |
Benchley Dr. / Sheddon St. (33.88638, -117.95555) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 20.8208 |
Other (At-Grade) Single-Lane |
2003 | Painted splitter islands. ICD estimated from Google Maps linework. |
Foxborough,
MA Norfolk Co. United States |
Chestnut St / North St (42.07460, -71.25933) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.4821 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Dedham,
MA Norfolk Co. United States |
Needham St / Vine Rock St (42.26954, -71.18214) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 120.1954 |
Other (At-Grade) Single-Lane |
2004 | No crosswalks ICD estimated from Google Maps linework. |
Belmont,
MA Middlesex Co. United States |
Marsh St / Prospect St (42.40767, -71.18126) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 2 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
Year Completed unknown. No changes from original configuration. | |
Northampton,
MA Hampshire Co. United States |
Pleasant St (US 5) / Conz St (42.31150, -72.62438) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 30.0288 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
Northampton,
MA Hampshire Co. United States |
Main St (Rte 9) / Bridge Rd (42.34356, -72.68114) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.6618 |
Other (At-Grade) Single-Lane |
2011 | ICD estimated from Google Maps linework. |
Swampscott,
MA Essex Co. United States |
Monument Ave / Elmwood Rd (42.46952, -70.91737) |
Traffic Calming Circle Existing |
All-Way Stop None |
4 Approaches 0 Driveways 35.2392 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Lynn,
MA Essex Co. United States |
Western Ave (Rte 107) / Federal St / South St / Market Square (42.46260, -70.96575) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways 54.6268 |
Other (At-Grade) Single-Lane |
2017 | ICD estimated from Google Maps linework. |
East Boston,
MA Suffolk Co. United States |
Saratoga St / Boardman St / Ford St (42.38701, -71.00805) |
Traffic Calming Circle Existing |
Other None |
4 Approaches 0 Driveways 25.5821 |
Other (At-Grade) Single-Lane |
control type: Ford St and Boardman St all-way stop On-street parking on both sides. ICD estimated from Google Maps linework. | |
Everett,
MA Middlesex Co. United States |
Revere Beach Pkwy. (Rte 16) / Mystic View Rd. / Santilli Hwy (42.40238, -71.06892) |
Signalized Roundabout/Circle Existing |
Signal None |
5 Approaches 0 Driveways 155.4480 |
Other (At-Grade) Multilane (3+ Lane) |
Revere Beach Pkwy extends through the rotary. ICD 560 ft x 460 ft. | |
Malden,
MA Middlesex Co. United States |
Fellsway E / Highland Ave (42.43419, -71.08356) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop None |
4 Approaches 0 Driveways 24.6814 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
Medford,
MA Middlesex Co. United States |
Highland Ave. / Woodland Rd. / Elm St. (42.44247, -71.09392) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 53.3400 |
Other (At-Grade) Single-Lane |
2015 | Added roundabout style pavement markings on approaches and definition of circulating roadway in approx. 2015. Right-turn-only lane and two-lane exit on north leg. |
Somerville,
MA Middlesex Co. United States |
Alewife Brook Pkwy (Rte 16) / Powder House Blvd (42.40871, -71.13069) |
Rotary Existing |
Other None |
3 Approaches 6 Driveways 73.1924 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Powder House Blvd left turn must yield to the SB entering traffic. ICD estimated from Google Maps linework. | |
Somerville,
MA Middlesex Co. United States |
Powder House Square [Powder House Blvd. / Broadway / College Ave. / Werner St.] (42.40114, -71.11677) |
Roundabout Existing |
All-Way Yield None |
6 Approaches 0 Driveways 70.1040 |
Other (At-Grade) Single-Lane |
2021 | Originally 2-lane traffic circle with signal control on all entries and central island originally accessible for pedestrians. Converted to a single-lane roundabout in 2021 using only signing, striping, and raised markers. As of March 2022, all signals (including pedestrian signals) have been covered. |
Winchester,
MA Middlesex Co. United States |
Main St / Mt Vernon St / Church St / Park St / Laraway Rd (42.45281, -71.13716) |
Rotary Existing |
Uncontrolled Pedestrian Signal (red-yellow-green to drivers) |
5 Approaches 0 Driveways 47.5856 |
Other (At-Grade) Single-Lane |
Improved ped crossings (markings) approx. 2001. Ped access to train station nearby. Bike racks. on-street parking on circular roadway. ICD estimated from Google Maps linework. | |
Bel Air South,
MD Harford Co. United States |
S Tollgate Rd. / Plumtree Rd. (39.50070, -76.33349) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 31.3332 |
Other (At-Grade) Single-Lane |
2016 | ICD estimated from Google Maps linework. |
Bel Air South,
MD Harford Co. United States |
S Tollgate Rd. / W Ring Factory Rd. (39.50873, -76.34550) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 28.5652 |
Other (At-Grade) Single-Lane |
2006 | Year Completed estimated (2005-2007). ICD estimated from Google Maps linework. |
Bel Air South,
MD Harford Co. United States |
Abingdon Rd. / Dunbarton Dr. / Box Hill S Pkwy. (39.47491, -76.30092) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 25.8134 |
Other (At-Grade) Single-Lane |
2006 | Year Completed estimated (2005-2007). ICD estimated from Google Maps linework. |
Bel Air North,
MD Harford Co. United States |
Moores Mill Rd. / Southampton Rd. (39.54847, -76.33536) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.6279 |
Other (At-Grade) Single-Lane |
2010 | ICD estimated from Google Maps linework. |
Reno,
NV Washoe Co. United States |
SR 341 (Geiger Grade Rd.) / Veterans Pkwy. / (parking) (39.40271, -119.74165) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 62.4840 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2011 | Double left (left, left-through-right) on south leg; double right (left-through-right, right) on west leg. |
Pueblo,
CO Pueblo Co. United States |
N Purcell Rd. / E Platteville Blvd. (38.35647, -104.69429) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 33.7158 |
Other (At-Grade) Single-Lane |
2014 | ICD estimated from Google Maps linework. |
Franklin Lakes,
NJ Bergen Co. United States |
Franklin Lake Rd. / High Mountain Rd. (40.99348, -74.21235) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.2409 |
Other (At-Grade) Single-Lane |
2014 | Upgraded from a neighborhood traffic circle in 2014 ICD estimated from Google Maps linework. |
Belmont,
MA Middlesex Co. United States |
Orchard St / Stone St (42.39213, -71.16707) |
Traffic Calming Circle Existing |
Uncontrolled None |
3 Approaches 6 Driveways 57.3345 |
Other (At-Grade) Single-Lane |
No traffic signs nor pavement markings present. ICD estimated from Google Maps linework. | |
Princeton,
NJ Mercer Co. United States |
Alexander St. / University Pl. (40.34305, -74.66085) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 30.0398 |
Other (At-Grade) Single-Lane |
2014 | Bike sharrows and parking cutouts on one leg. ICD estimated from Google Maps linework. |
Princeton,
NJ Mercer Co. United States |
Elm Dr. / South Dr. (40.34078, -74.65595) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 1 Driveways 29.1305 |
Other (At-Grade) Single-Lane |
2000 | Year Completed estimated (1997-2002). ICD estimated from Google Maps linework. |
Cambridge,
MA Middlesex Co. United States |
Concord Ave (US 3) / Alewife Brook Parkway (Rte 2) (42.38844, -71.14346) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 56.4557 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Pavement markings installed in 2017. No crosswalks. ICD estimated from Google Maps linework. | |
Allwood,
NJ Passaic Co. United States |
Allwood Rd. / Bloomfield Ave. (40.84302, -74.15957) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 46.0792 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2004 | Converted from non-circular rotary. ICD estimated from Google Maps linework. |
Cambridge,
MA Middlesex Co. United States |
Concord Ave / New St / Fresh Pond Pkwy (US 3, Rte 2) (42.38670, -71.14100) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 38.8144 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Pavement markings for bike conflict areas added in approx. 2018 (on New St exit). ICD estimated from Google Maps linework. | |
Brighton,
MA Suffolk Co. United States |
Beacon St / Soldiers Field Parkway / Parsons St / US 20 (42.35821, -71.16022) |
Rotary Existing |
Other None |
5 Approaches 0 Driveways 147.3851 |
Other (At-Grade) Multilane (3+ Lane) |
Lane redesign in approx. 2013 Pavement markings redone in approx. 2010. Control Type: mix of Signal, stop and yield signs. All approaches have their own treatment. ICD estimated from Google Maps linework. | |
Watertown,
SD Codington Co. United States |
US 81 (5th St.) / 20th Ave. SE (44.87638, -97.10890) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2018 | First roundabout by South Dakota Department of Transportation. |
Sioux Falls,
SD Lincoln Co. United States |
Louise Ave. / 271st St. (43.46078, -96.76732) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 44.2118 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
Dedham,
MA Norfolk Co. United States |
Washington St / Boston Providence Hwy (42.25003, -71.17133) |
Rotary Existing |
Signal None |
4 Approaches 5 Driveways 67.1888 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Boston Providence Hwy extends straight through the rotary ICD estimated from Google Maps linework. | |
Quincy,
MA Norfolk Co. United States |
Palmer St / Yardarm Ln / Bicknell St (42.25300, -70.96574) |
Rotary Existing |
Uncontrolled None |
4 Approaches 2 Driveways 70.7217 |
Other (At-Grade) Single-Lane |
Neighborhood area ICD estimated from Google Maps linework. | |
Springfield,
OR Lane Co. United States |
Franklin Blvd. / (parking lots) (44.04434, -123.03145) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 2 Driveways 47.2167 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2018 | ICD estimated from Google Maps linework. |
Forest Park,
MO St. Louis City Co. United States |
Hampton Ave. / Concourse Dr. / Wells Dr. (38.63316, -90.28546) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.7207 |
Other (At-Grade) Single-Lane |
2009 | Right-turn bypass lane merge in crosswalk area. ICD estimated from Google Maps linework. |
Forest Park,
MO St. Louis City Co. United States |
Concourse Dr. / Washington Dr. (38.63495, -90.28480) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 23.3234 |
Other (At-Grade) Single-Lane |
2009 | ICD estimated from Google Maps linework. |
Forest Park,
MO St. Louis City Co. United States |
Government Dr. / Wells Dr. (38.63437, -90.30113) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 44.7814 |
Other (At-Grade) Single-Lane |
2016 | ICD estimated from Google Maps linework. |
Warrenton,
VA Fauquier Co. United States |
E Shirley Ave. / Falmouth St. (38.69843, -77.78795) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 13.0496 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2018 | Constructed Fall 2018, mini-roundabout with one bypass lane ICD estimated from Google Maps linework. |
Aloha,
OR Washington Co. United States |
SW 175th St. / SW Kemmer Rd. (45.45121, -122.85724) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 39.3785 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
Bossier City,
LA Bossier Par. United States |
W 1st St. / Spears St. (32.52108, -93.73971) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 32.2256 |
Other (At-Grade) Single-Lane |
2013 | ICD estimated from Google Maps linework. |
Bossier City,
LA Bossier Par. United States |
W 1st St. / Margaritaville Way / Colquitt St. (32.52193, -93.73982) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 30.2112 |
Other (At-Grade) Single-Lane |
2013 | ICD estimated from Google Maps linework. |
Weymouth,
MA Norfolk Co. United States |
North St / East St / Norton St (42.23165, -70.94496) |
Traffic Calming Circle Existing |
Other None |
4 Approaches 1 Driveways 25.6453 |
Other (At-Grade) Single-Lane |
Control Type is Mixed: Yield on circular road, stop on East St approach, yield on North St SB approach ICD estimated from Google Maps linework. |