Roundabouts Database

29465 Results

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City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
North Pole, AK
Fairbanks North Star
United States 		Badger Rd. / Richardson Hwy WB Ramps
(64.75903, -147.35120) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.5390 		Freeway Ramps (Grade-Separated)
Single-Lane 		2007 Series of three roundabouts. Raindrop-shaped central island. ICD estimated from Google Maps linework.
North Pole, AK
Fairbanks North Star
United States 		Badger Rd. / Richardson Hwy EB Ramps / Santa Claus Ln.
(64.75820, -147.35170) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.5771 		Freeway Ramps (Grade-Separated)
Single-Lane 		2007 Series of three roundabouts. Previously controlled by one-way stop ICD estimated from Google Maps linework.
North Pole, AK
Fairbanks North Star
United States 		Santa Claus Ln. / Park Way
(64.75673, -147.35280) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.6162 		Other (At-Grade)
Single-Lane 		2007 Series of three roundabouts. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
St. George, UT
Washington Co.
United States 		750 N St. / 2860 E St.
(37.12077, -113.52450) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
29.5218 		Other (At-Grade)
Single-Lane 		2001 Next to school campus. ICD estimated from Google Maps linework.
St. George, UT
Washington Co.
United States 		Main St. / Hope St. (400 N)
(37.11495, -113.58340) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
28.5717 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Washington, UT
Washington Co.
United States 		Camino Real / Silver Falls Dr
(37.10077, -113.49480) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4822 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Gatineau, QC
Outaouais Region
Canada 		Blvd. St.-Laurent / Rue Demontigny
(45.43223, -75.73618) 		Roundabout
Existing 		All-Way Yield
Pedestrian Signal (red-yellow-green to drivers) 		4 Approaches
0 Driveways
31.0105 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Functional Class: Arterial ICD estimated from Google Maps linework.
Gatineau, QC
Outaouais Region
Canada 		Blvd. St.-Laurent / Rue Labelle
(45.43235, -75.74150) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
31.0105 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Functional Class: Arterial ICD estimated from Google Maps linework.
Plainfield, IN
Hendricks Co.
United States 		Morris St. / Raceway Rd.
(39.74901, -86.32667) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.8940 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Madison, WI
Dane Co.
United States 		Thompson Dr. / STH 30 WB On-Ramp / Commercial Ave.
(43.10643, -89.30084) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.9822 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Opened October 22, 2004. ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		Springmill Rd. / Dorset Rd.
(39.97396, -86.16467) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.6272 		Other (At-Grade)
Single-Lane 		2009 Was originally installed in 2006 as mini-roundabout. There were several property damage accidents at this intersection in the first 10 days of its operation. In that 10 days there was substantial public outcry against the mini. The decision was made and the intersection was returned to a 4-way stop before the mini had been in operation for two weeks. Conversion to single-lane roundabout estimated (2008-2010). Functional Class: Arterial ICD estimated from Google Maps linework.
Spring Grove, PA
York Co.
United States 		Rte. 116 (Hanover St.) / Roths Church Rd. / W. Hanover St.
(39.88301, -76.86363) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.6567 		Other (At-Grade)
Single-Lane 		2007 http://www.yorkdispatch.com/local/ci_6708523 ICD estimated from Google Maps linework.
West Bloomfield Township, MI
Oakland Co.
United States 		W. Maple Rd. / Drake Rd.
(42.54184, -83.39996) 		Roundabout
Existing 		All-Way Yield
Pedestrian Hybrid Beacon (PHB, HAWK) 		4 Approaches
0 Driveways
62.4773 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Subject of ADA lawsuit. ICD estimated from Google Maps linework.
West Bloomfield Township, MI
Oakland Co.
United States 		W. Maple Rd. / Farmington Rd.
(42.54241, -83.38035) 		Roundabout
Existing 		All-Way Yield
Pedestrian Hybrid Beacon (PHB, HAWK) 		4 Approaches
0 Driveways
62.4767 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 ICD estimated from Google Maps linework.
Hillard, OH
Franklin Co.
United States 		Britton Pkwy. / Davidson Rd.
(40.04977, -83.13399) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Modified striping to remove fishhooks in 2019.
(unincorporated), VA
Goochland Co.
United States 		Centerville Parke Dr. / Centerville Parke Ln.
(37.66259, -77.68004) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.8728 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Ottawa, ON
City of Ottawa
Canada 		Cresthaven Dr. / Waterbridge Dr.
(45.28097, -75.70818) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.6990 		Other (At-Grade)
Single-Lane 		2001 Minimal splitter islands. ICD estimated from Google Maps linework.
Ottawa, ON
City of Ottawa
Canada 		Cresthaven Dr. / Fairpark Dr. / Timberline Private
(45.27486, -75.70937) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7465 		Other (At-Grade)
Single-Lane 		2002 Minimal splitter islands. Functional Class: Local ICD estimated from Google Maps linework.
Grove City, OH
Franklin Co.
United States 		Buckeye Pkwy. / Pinnacle Club Dr.
(39.86381, -83.05253) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.0031 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Dublin, OH
Delaware Co.
United States 		Glick Rd. / Avery Rd. / Manley Rd.
(40.14709, -83.16482) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.9527 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Chambly, QC
Regional County Municipality of La-Vallée-du-Richelieu
Canada 		Blvd. Frechette / Blvd. Anne-le-Seigneur
(45.42759, -73.31023) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.3950 		Other (At-Grade)
Single-Lane 		2003 High-speed approaches (65 mph [100 km/h]). Reverse curve on northbound approach. Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Chambly, QC
Regional County Municipality of La-Vallée-du-Richelieu
Canada 		Blvd. Frechette / Blvd. Brassard
(45.43189, -73.30562) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.9352 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Brooklyn Park, MN
Hennepin Co.
United States 		108th Ave. / Regent Ave. / Perry Dr.
(45.15072, -93.34499) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0071 		Other (At-Grade)
Single-Lane 		2005 No splitter islands. Functional Class: Local ICD estimated from Google Maps linework.
Blaine, MN
Anoka Co.
United States 		Club West Pkwy. / 113th Ave.
(45.17343, -93.23103) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.2014 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Blaine, MN
Anoka Co.
United States 		Lakes Pkwy. / Harpers St.
(45.19327, -93.19199) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.0332 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Grand Rapids, MN
Itasca Co.
United States 		7th Ave. SE / 10th St. / 8th St. SE
(47.22178, -93.51791) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.9349 		Other (At-Grade)
Single-Lane 		2005 Replaced two offset T intersections. ICD estimated from Google Maps linework.
Grand Rapids, MN
Itasca Co.
United States 		10th St. SW (Golf Course Rd.) / Grand Itasca Clinic and Hospital entrance
(47.22104, -93.55408) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5019 		Other (At-Grade)
Single-Lane 		2005 No accidents reported to date (2007). Rural environment. ICD estimated from Google Maps linework.
Woodbury, MN
Washington Co.
United States 		Lake Rd. / Settlers Ridge Pkwy.
(44.90197, -92.87568) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.5279 		Other (At-Grade)
Single-Lane 		2005 Designed for future two-lane roundabout. ICD estimated from Google Maps linework.
Burnsville, MN
Dakota Co.
United States 		Portland Ave. / E. Nicollet Blvd.
(44.75141, -93.26827) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.9270 		Other (At-Grade)
Single-Lane 		2005 Previously controlled by two-way stop ICD estimated from Google Maps linework.
Fredericksburg, VA
N/A Co.
United States 		Hospital Dr. / Sam Perry Blvd.
(38.30750, -77.48798) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.8643 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Prior Lake, MN
Scott Co.
United States 		Fountain Hills Dr. / Jeffers
(44.74596, -93.44472) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.8679 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Monticello, MN
Wright Co.
United States 		CSAH 18 (Fenning Ave.) / Meadow Oak Ave.
(45.28698, -93.77066) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.9722 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Champlin, MN
Hennepin Co.
United States 		109th Ave. / Goose Lake Rd. / Zachary Ln.
(45.15226, -93.42163) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.3217 		Other (At-Grade)
Single-Lane 		2006 Posted speed on mainline approach 45 mph. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Rochester, MN
Olmstead Co.
United States 		Fox Valley Dr. / Fox Knoll Dr. SW
(44.00954, -92.50074) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7826 		Other (At-Grade)
Single-Lane 		2000 Previously controlled by new Functional Class: Local ICD estimated from Google Maps linework.
Minneapolis, MN
Hennepin Co.
United States 		Minnehaha Ave. / Godfrey Pkwy.
(44.91655, -93.21317) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.1384 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Columbine, CO
Jefferson Co.
United States 		S. Simms St. / Nelson St.
(39.64159, -105.12910) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
38.6271 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Right turn bypass lanes on three legs. ICD estimated from Google Maps linework.
Madras, OR
Jefferson Co.
United States 		SE City View St. / SE Yarrow Ave. / (future leg)
(44.63084, -121.10905) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.3963 		Other (At-Grade)
Single-Lane 		2007 Sized for conversion to ultimate double-lane. Raptor sculpture in central island. ICD estimated from Google Maps linework.
Houston, TX
Harris Co.
United States 		Washington Ave. / Westcott St. / Arnot St.
(29.77107, -95.42352) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8637 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2005 http://www.chron.com/disp/story.mpl/metropolitan/moveit/4660312.html
Lewisville, NC
Forsyth Co.
United States 		Concord Church Rd. / US 421 NB Ramps
(36.09143, -80.42963) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.8835 		Freeway Ramps (Grade-Separated)
Single-Lane 		2003 Mirror image of other ramp. ICD estimated from Google Maps linework.
Owatonna, MN
Steele Co.
United States 		CSAH 7 / TH 14 EB Ramps
(44.05747, -93.27671) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.3480 		Freeway Ramps (Grade-Separated)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Owatonna, MN
Steele Co.
United States 		CSAH 7 / TH 14 WB Ramps
(44.05998, -93.27671) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1964 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2012 ICD estimated from Google Maps linework.
Kemptville, ON
United Counties of Leeds and Grenville
Canada 		CR 43 / Rideau River Rd.
(45.02990, -75.63668) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0000 		Other (At-Grade)
Single-Lane 		2000 Year Completed estimated (before 2004). ICD estimated from Google Maps linework.
Orlando, FL
Orange Co.
United States 		N. Westmoreland Dr. / S. Lake Adair Blvd.
(28.55947, -81.39339) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
22.0291 		Other (At-Grade)
Single-Lane 		1998 Old circle, judging by condition of brick pavement; additional yield signs w/ minimum fine; official bike route; drainage constraints; skewed Functional Class: Collector? ICD estimated from Google Maps linework.
Conway, AR
Faulkner Co.
United States 		Washington Ave. / Tyler St. / Winfield St.
(35.10256, -92.44462) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.1988 		Other (At-Grade)
Single-Lane 		2005 Functional Class: Arterial ICD estimated from Google Maps linework.
Orlando, FL
Orange Co.
United States 		N. Westmoreland Dr. / N. Lake Adair Blvd.
(28.56104, -81.39342) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.8328 		Other (At-Grade)
Single-Lane 		1999 Old circle, judging by condition of brick pavement; additional yield signs w/ minimum fine; official bike route; drainage constraints Functional Class: Collector? ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		31st Ave. E / E. Pike St.
(47.61410, -122.29250) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		32nd Ave. E / E. Pike St.
(47.61408, -122.29140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		33rd Ave. E / E. Pike St.
(47.61405, -122.29030) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
73.2661 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		32nd Ave. E / E. Pine St.
(47.61526, -122.29130) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
63.6032 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		32nd Ave. E / E. Olive St.
(47.61643, -122.29130) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
22.5424 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		32nd Ave. E / E. Howell St.
(47.61763, -122.29130) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
11.2709 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		33rd Ave. E / E. Howell St.
(47.61764, -122.29020) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
79.7016 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Woodlawn Ave. N / Wallingfor Ave. N
(47.69778, -122.33650) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
9.6460 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Densmore Ave. N / N. 36th St.
(47.65051, -122.33750) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
13.6775 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Bourne, MA
Barnstable Co.
United States 		US 6 / Rte. 28 (Main St.)
(41.74607, -70.61805) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
92.6736 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Lehi, UT
Utah Co.
United States 		Main St. (Hwy 73) / N 500 W (Hwy 197)
(40.38755, -111.85710) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		4 Approaches
0 Driveways
30.9296 		Other (At-Grade)
Single-Lane 		2003 Railroad approx. 400 feet from roundabout. Traffic is backed up on Main St. at all locations including the RR xing and roundabout - high growth and no other traffic options to and from freeway. ICD estimated from Google Maps linework.
Bellevue, WI
Brown Co.
United States 		US 141 / Allouez Ave.
(44.45882, -87.95038) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.4753 		Other (At-Grade)
Single-Lane 		2007 Railroad is ~110 feet from roundabout. Seasonal summaer crossing and maybe 1 train per day for a short duration. Opened November 2, 2007. ICD estimated from Google Maps linework.
Ottawa, ON
City of Ottawa
Canada 		Kilborn Ave. / Lamira St.
(45.38604, -75.67085) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.5195 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Ottawa, ON
City of Ottawa
Canada 		Prince of Wales Dr. / National Capital Com Driveway
(45.39028, -75.70744) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
40.2598 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Converted old circle. ICD estimated from Google Maps linework.
Bridal Falls, BC
Fraser Valley Regional District
Canada 		Hwy 9 / Yale Road East
(49.18523, -121.76500) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2004 Completed October 29, 2004.
Fort Wayne, IN
Allen Co.
United States 		Old Mill Rd. / Westover Rd.
(41.04247, -85.15324) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
29.7261 		Other (At-Grade)
Single-Lane 		2001 Previously controlled by two-way stop control Functional Class: Collector ICD estimated from Google Maps linework.
Fort Wayne, IN
Allen Co.
United States 		Pontiac St. / Wayne Trace (South) / Adams St. / Pioneer St.
(41.06100, -85.10003) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2003 One of two adjacent roundabouts.
Fort Wayne, IN
Allen Co.
United States 		Pontiac St. / Wayne Trace (North) / Fenker Ave. / Pioneer St.
(41.06183, -85.09948) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2003 One of two adjacent roundabouts.
Dublin, OH
Union Co.
United States 		Hyland-Croy Rd. / Glacier Ridge Blvd
(40.15634, -83.18476) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.9484 		Other (At-Grade)
Single-Lane 		2006 A school nearby and park on the other side. Previously controlled by stop control side street Functional Class: Arterial/Residential ICD estimated from Google Maps linework.
Asheville, NC
Buncombe Co.
United States 		College St. / Valley St. / Oak St.
(35.59719, -82.54733) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.1343 		Other (At-Grade)
Single-Lane 		2005 Entrance to downtown. Downtown redevelopment - "road diet". ICD estimated from Google Maps linework.
West Jordan, UT
Salt Lake Co.
United States 		W 8020 S / (parking lots)
(40.60561, -111.93990) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.3888 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Grand Junction, CO
Mesa Co.
United States 		Main St. / 7th St.
(39.06731, -108.56104) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.8912 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Riverhead, NY
Suffolk Co.
United States 		Rte. 58 / Roanoke Ave.
(40.93315, -72.67399) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.7005 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Was single-lane traffic circle. Redesigned, resigned, and restriped in 2009. ICD estimated from Google Maps linework.
Fort Montgomery, NY
Orange Co.
United States 		US 6 / US 9W / Bear Mountain Bridge
(41.32020, -73.99147) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
98.6676 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Bear Mountain, NY
Rockland Co.
United States 		US 6 / Seven Lakes Dr.
(41.30530, -74.03460) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
109.4564 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Squamish, BC
Squamish-Lillooet District
Canada 		Commercial Way / Discovery Way
(49.72279, -123.15057) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Home Depot retail center on one corner. Uses fishhook signs and pavement markings. Year Completed estimated (2004-2009).
Orlando, FL
Orange Co.
United States 		Arbor Park Ln. / Village Oak Ln.
(28.78793, -81.35421) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
32.4483 		Other (At-Grade)
Single-Lane 		Part of retail shopping center/office park development. Series of three roundabouts. Functional Class: Local ICD estimated from Google Maps linework.
Orlando, FL
Orange Co.
United States 		Arbor Park Ln. / Colonial Center Pkwy. / Colonial Grand Ln.
(28.79006, -81.35422) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.3075 		Other (At-Grade)
Single-Lane 		Part of retail shopping center/office park development. Series of three roundabouts. Functional Class: Local ICD estimated from Google Maps linework.
Quincy, MA
Norfolk Co.
United States 		Washington St (Rte 3A) / Dee Rd
(42.24553, -70.97224) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
66.3095 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 Rotary update ICD estimated from Google Maps linework.
Hingham, MA
Plymouth Co.
United States 		Rte. 3A (Summer St.) / Chief Justic Cushing Hwy. / Green St.
(42.24615, -70.88130) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
60.1200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Newport, RI
Newport Co.
United States 		J. T. Connell Hwy. / Admiral Kalbfus Rd.
(41.50703, -71.31757) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2022 Conversion from rotary to roundabout. https://www.newportthisweek.com/articles/rotary-morphing-into-a-roundabout/
Boston, MA
Suffolk Co.
United States 		Columbia Rd. / William J. Day Blvd.
(42.32172, -71.05128) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
69.7616 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Boston, MA
Suffolk Co.
United States 		Willard St. / I-93 Ramps / Furnace Brook Expwy.
(42.24208, -71.02673) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
99.0276 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Woburn, MA
Middlesex Co.
United States 		I-95 Ramps / MA 38 (Main St.)
(42.49945, -71.15711) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.8196 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Revere, MA
Suffolk Co.
United States 		Copeland Circle [Rte 60 (Squire Rd.) / US 1 Ramps]
(42.43008, -71.01710) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
381.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		Retrofitted (November 2018) with multi-lane approaches/departures on the Route 1 ramps and roundabout style pavement markings and signs within the circulating roadway. ICD = 1250 ft x 880 ft. 21442
Sedona, AZ
Coconino Co.
United States 		AZ 89A / AZ 179
(34.86597, -111.76370) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.1774 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Functional Class: Arterial ICD estimated from Google Maps linework.
Hollymead, VA
Albemarle Co.
United States 		Timberwood Blvd. / Conner Blvd.
(38.13065, -78.44083) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.8813 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Hollymead, VA
Albemarle Co.
United States 		Timberwood Blvd. / Grand Forks Blvd.
(38.13111, -78.44283) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
93.9459 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 58th Ave. (S) / SE Lincoln St.
(45.50805, -122.60380) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
104.6245 		Other (At-Grade)
Single-Lane 		1990 Completed 5/8/1990. ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		26th St. / I St.
(38.57565, -121.47140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
81.2327 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		24th St. / I St.
(38.57636, -121.47410) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
55.0883 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		24th St. / H St.
(38.57746, -121.47360) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
70.0264 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		26th St. / E St.
(38.58003, -121.46950) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
15.8721 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Peter J Shields Ave. / East Quad
(38.54061, -121.74820) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.8150 		Other (At-Grade)
Unknown 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Peter J Shields Ave. / West Quad
(38.54028, -121.75010) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
14.9467 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		California Ave. / North Quad
(38.54252, -121.75300) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
20.5511 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		California Ave. / Storer Mall
(38.54082, -121.75250) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
13.0783 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		California Ave. / Hutchison Dr.
(38.53909, -121.75200) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.3015 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local. Year Completed unknown (before 1993). ICD estimated from Google Maps linework.
Woodland, CA
Yolo Co.
United States 		Palm Ave. / Keystone Ave.
(38.68635, -121.77050) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
41.0198 		Other (At-Grade)
Single-Lane 		Circular intersection in older neighborhood. ICD estimated from Google Maps linework.
Madison, WI
Dane Co.
United States 		Kendall Ave. / Grand Ave.
(43.07145, -89.43156) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		1997
Madison, WI
Dane Co.
United States 		New Washburn Way / Dandaneau Trl. / Chautauqua Trl.
(43.04669, -89.51501) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
13.9650 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Madison, WI
Dane Co.
United States 		Glenway St. / Hillcrest Dr.
(43.06437, -89.43896) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
11.3433 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Beaverton, OR
Washington Co.
United States 		SW Hart Rd. / Sorrento Rd. / Juniper Terr.
(45.46680, -122.80880) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1283 		Other (At-Grade)
Single-Lane 		Functional Class: Collector. Pedestrian ramps into circulatory roadway. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 24th Ave. / Brazee St.
(45.54050, -122.64110) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989.
Portland, OR
Multnomah Co.
United States 		NE 24th Ave. / Thompson St.
(45.53896, -122.64110) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
56.8845 		Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989. ICD estimated from Google Maps linework.