Roundabouts Database

29411 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
Cambridge, MA
Middlesex Co.
United States 		Grove St. / Washington St. / Blanchard Rd.
(42.38637, -71.16042) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
3 Driveways
22.0537 		Other (At-Grade)
Single-Lane 		2006 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.
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.
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.
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.
Machesney Park, IL
Winnebago Co.
United States 		Swanson Rd. / Perryville Rd.
(42.39150, -88.99469) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.6369 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2009). 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.
Amherst, MA
Hampshire Co.
United States 		Pleasant St / Governors Dr / Eastman Ln
(42.39522, -72.52693) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7529 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Northville, MI
Wayne Co.
United States 		Johnson Creek Dr. / (park entrance)
(42.39610, -83.51860) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2005).
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.
Lake Villa, IL
Lake Co.
United States 		Cedar Lake Rd. / Monaville Rd.
(42.39797, -88.09213) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.9254 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Lake Villa, IL
Lake Co.
United States 		Monaville Rd. / N Fairfield Rd.
(42.40096, -88.11041) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://www.lakecountyil.gov/3686/Fairfield-Rd
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.
Northville, MI
Wayne Co.
United States 		Carriage Way / Glacier Rd.
(42.40220, -83.53576) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2005).
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.
Boston, MA
Suffolk Co.
United States 		Broadway / Main
(42.40244, -71.06048) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
123.4694 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Belmont, MA
Middlesex Co.
United States 		Prospect St / Clifton St
(42.40403, -71.17635) 		Traffic Calming Circle
Existing 		Other
None 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		two yield-controlled, one stop-controlled approaches
Northville, MI
Wayne Co.
United States 		Yellowstone Dr. / Johnson Creek Dr.
(42.40412, -83.52414) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2005
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.
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.
Revere, MA
Suffolk Co.
United States 		SR 60 / Beach St.
(42.40913, -71.00166) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
81.1284 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Through movement passes through center. Signalized. Functional Class: Arterial ICD estimated from Google Maps linework.
Worthington, MA
Hampshire Co.
United States 		Huntington Rd. / Buffington Hills Rd. / Old North Rd. / Williamsburg Rd.
(42.41024, -72.93700) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2020 https://www.gazettenet.com/Worthington-Roundabout-38263037
South Haven, MI
Van Buren Co.
United States 		Wells St. / N Bailey Ave.
(42.41050, -86.26416) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2007 Painted splitter islands. Previously offset T-intersections. Year Completed estimated (2006-2007).
Boston, MA
Suffolk Co.
United States 		VFW Pkwy. / North Shore Rd. (Butler Circle)
(42.41228, -70.99350) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
84.6514 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Salem, MI
Washtenaw Co.
United States 		Pontiac Trl. / 7 Mile Rd.
(42.41368, -83.64647) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2020 https://www.wcroads.org/wcrc-project/pontiac-trail-and-7-mile-road-roundabout/
Somerville, MA
Middlesex Co.
United States 		Mystic Valley Pkwy. / Alewife Brook Pkwy.
(42.41465, -71.13133) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
25.5708 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Stara Zagora, Stara Zagora
Stara Zagora
Bulgaria 		ulitsa Dimcho Staev / ulitsa Anastasiya Tosheva / bulevard Slavyanski / ulitsa Georgi Baydanov
(42.41817, 25.62058) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Stara Zagora, Stara Zagora
Stara Zagora
Bulgaria 		ulitsa Bratya Zhekovi / ulitsa Anastasiya Tosheva / bulevard Slavyanski
(42.41818, 25.62063) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Medford, MA
Middlesex Co.
United States 		Salem St. (Rte 60) / I-93 Ramps
(42.41946, -71.10398) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
149.8864 		Freeway Ramps (Grade-Separated)
Single-Lane 		ICD estimated from Google Maps linework.
Podgorica,

Montenegro 		M2-E65-E80 (Zetskih vladara - Bulevar Georgija Žukova) / M18 (Vojislavljevica) / 4. Jul
(42.42052, 19.25497) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Revere, MA
Suffolk Co.
United States 		SR 60 / SR 107
(42.42123, -71.00449) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
92.5743 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Medford, MA
Middlesex Co.
United States 		Winthrop St. / High St. / Rural Ave.
(42.42129, -71.11800) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2019 Painted splitter islands. Right-turn-only lanes on southwest and south legs. Converted from traffic circle in 2018-2019.
South Hill, NY
Tompkins Co.
United States 		Alumni Cir. / Conservatory Dr. / Grant Egbert Blvd.
(42.42153, -76.49961) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Stop control on circulatory roadway.
Old Mill Creek, IL
Lake Co.
United States 		Hunt Club Rd. / Milburn Rd. / W. Simpson Rd.
(42.42212, -87.97259) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.9640 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
White City, OR
Jackson Co.
United States 		OR 140 / Atlantic Ave. / Foothill Rd.
(42.42259, -122.81859) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2020 https://content.govdelivery.com/accounts/ORDOT/bulletins/2a5a500
Kinderhook, NY
Columbia Co.
United States 		US 9 / Rte 9H / State Farm Rd.
(42.42835, -73.68868) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
38.7886 		Other (At-Grade)
Single-Lane 		2006 This was built to replace traffic lights when a shopping plaza was being added - US Route 9 has North and South, State Rt 9H South, State Farm Road (Town Road) and the entrance to the plaza, which makes it an unusual set up (5 Entries with 9 and 9H creating a Y shape, and then the plaza/state farm entries across from each other, going across the stem of the Y). ICD estimated from Google Maps linework.
Northfield Township, MI
Washtenaw Co.
United States 		W 8 Mile Rd. / US 23 NB Ramps
(42.42882, -83.76591) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017
Wadsworth, IL
Lake Co.
United States 		W Wadsworth Rd. / Dilleys Rd.
(42.42897, -87.94581) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.youtube.com/watch?v=R7rA-rscA70
Northfield Township, MI
Washtenaw Co.
United States 		W 8 Mile Rd. / US 23 SB Ramps
(42.42923, -83.76779) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 Add-lane right-turn bypass lane on west leg.
Medford, MA
Middlesex Co.
United States 		Fellsway W. / Forest St. / S Border Rd. / I-93 Ramps
(42.42933, -71.10333) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
132.2319 		Freeway Ramps (Grade-Separated)
Unknown 		ICD estimated from Google Maps linework.
Old Mill Creek, IL
Lake Co.
United States 		Hunt Club Rd. / W. Wadsworth Rd.
(42.42938, -87.97247) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.4326 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Northfield Township, MI
Livingston Co.
United States 		W 8 Mile Rd. / Whitmore Lake Rd.
(42.42944, -83.76903) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2017
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
Ithaca, NY
Tompkins Co.
United States 		Spencer St. / Elmira Rd. / Park St. / Albany St.
(42.43167, -76.50152) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
34.3790 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Northville, MI
Washtenaw Co.
United States 		Eight Mile Rd. / Currie Rd.
(42.43382, -83.59039) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.rcocweb.org/529/Currie-Road-COMPLETE
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.
Winchester, MA
Middlesex Co.
United States 		Main St (Rte 38) / Everell Rd / Bacon St / Grove St
(42.44236, -71.13586) 		Traffic Calming Circle
Existing 		Other
None 		5 Approaches
0 Driveways
23.7968 		Other (At-Grade)
Single-Lane 		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.
Collegetown, NY
Tompkins Co.
United States 		College Ave. / Oak Ave.
(42.44258, -76.48522) 		Unknown
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Year Completed estimated (2021-2022).
Northville, MI
Oakland Co.
United States 		Taft Rd. / Morgan Blvd.
(42.44300, -83.49355) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
23.7966 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2007-2010). ICD estimated from Google Maps linework.
Peosta, IA
Dubuque Co.
United States 		Peosta St / NICC Dr
(42.44531, -90.84966) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
103.1146 		Other (At-Grade)
Single-Lane 		2012 Entrance to Northeast Iowa Community College ICD estimated from Google Maps linework.
Podgorica,

Montenegro 		18. jula / 13. jula / Moskovska
(42.44744, 19.25062) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
South Lyon, MI
Oakland Co.
United States 		Nine Mile Rd. / Currie Rd.
(42.44831, -83.59180) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 Opened November 21, 2022.
Lexington, MA
Middlesex Co.
United States 		Bedford St. / Harrington Rd. / Hancock St.
(42.45014, -71.23048) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 Replaced a triangle of two-way stop intersections. https://www.lexingtonma.gov/235/Battle-Green-Streetscape-Project Video of completed roundabout: https://www.youtube.com/watch?v=dcF64ln0mjo
Fredonia, NY
Chautauqua Co.
United States 		US 20 (E Main St.) / Rte 60 (Bennett Rd.
(42.45043, -79.30792) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2020 https://www.post-journal.com/news/latest-news/2020/12/major-construction-completed-on-roundabout/
Novi, MI
Oakland Co.
United States 		W 9 Mile Rd. / Taft Rd.
(42.45158, -83.49410) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.candgnews.com/news/novi-council-approves-lighting-for-new-roundabout-635
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.
Sterling, MA
Worcester Co.
United States 		Leominster Rd. (Rte 12) / Chocksett Rd.
(42.45284, -71.74849) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.7735 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Bujanovac, Centralna Srbija
Pčinja District
Serbia 		SR41 (Ulica Gnjilanski put - Ulica Karađorđa Petrovića) / Ulica Karađorđa Petrovića
(42.45412, 21.76948) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
 Other (At-Grade)
Single-Lane
Morningside, MA
Berkshire Co.
United States 		Tyler St. / Woodlawn Ave. / Dalton Ave.
(42.45643, -73.23392) 		Roundabout
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2021 Year Completed estimated (2018-2022).
Lynn, MA
Essex Co.
United States 		Lynn Way / Nahant Rd.
(42.45684, -70.93676) 		Rotary
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
124.2434 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Sterling, MA
Worcester Co.
United States 		Leominster Rd. (Rte 12) / I-190 SB Ramps
(42.46038, -71.74610) 		Roundabout
Existing 		All-Way Yield
Active Pedestrian Warning (flashing yellow) 		3 Approaches
0 Driveways
41.4121 		Freeway Ramps (Grade-Separated)
Single-Lane 		2018 RRFB 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.
Lexington, MA
Middlesex Co.
United States 		Hancock St. / Hamilton Rd. / Burlington St. / (unknown)
(42.46302, -71.23268) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
23.7889 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Hamburg Township, MI
Livingston Co.
United States 		Hamburg Rd. / Winans Lake Rd.
(42.46351, -83.79812) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.0751 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2010). ICD estimated from Google Maps linework.
Northville, MI
Oakland Co.
United States 		Napier Rd. / W 10 Mile Rd.
(42.46402, -83.55352) 		Roundabout
Existing 		All-Way Yield
Pedestrian Hybrid Beacon (PHB, HAWK) 		4 Approaches
0 Driveways
38.7665 		Other (At-Grade)
Unknown 		2017 ICD estimated from Google Maps linework.
Green Oak Township, MI
Livingston Co.
United States 		Winans Lake Rd. / Rickett Rd.
(42.46413, -83.76620) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.whmi.com/news/article/roundabout-rickett-winans
Saugus, MA
Essex Co.
United States 		Main St / Central St / Hamilton St
(42.46473, -71.01002) 		Other
Existing 		Other
None 		4 Approaches
1 Driveways
37.8851 		Other (At-Grade)
Single-Lane 		Town square traffic circle. Two legs are stop-controlled, on-street parking. ICD estimated from Google Maps linework.
Lynn, MA
Essex Co.
United States 		Federal St. / Waterhill St. / Marion St.
(42.46533, -70.96799) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 Four approaches, but five roads leading away. https://lynnjournal.com/2020/12/03/safe-and-round-new-roundabout-at-agganis-square-leads-to-safer-access-for-drivers/
Melrose, MA
Middlesex Co.
United States 		Green St. / Howard S.
(42.46562, -71.05908) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2019 Replaced stop-controlled triangle set of intersections.
Green Oak Township, MI
Livingston Co.
United States 		Silver Lake Rd. / US 23 NB Ramps / Fieldcrest Dr.
(42.46717, -83.75473) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2024 Combined a previous all-way stop and two-way stop into one roundabout. https://www.facebook.com/GreenOakPolice/videos/as-a-follow-up-to-our-previous-post-about-using-the-fieldcrest-roundabout-check-/988342009671510/
Concord, MA
Middlesex Co.
United States 		Rte 2 (Union Tpke-Concord Tpke) / Rte 2A / Barretts Mill Rd. / Commonwealth Ave.
(42.46728, -71.39721) 		Rotary
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
100.4354 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Infamous Concord rotary. ICD estimated from Google Maps linework.
Cedar Falls, IA
Black Hawk Co.
United States 		W Ridgeway Ave. / Goldfinch Dr.
(42.46945, -92.44998) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
2 Driveways
51.8160 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2019 Year Completed estimated (2018-2020).
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.
Cedar Falls, IA
Black Hawk Co.
United States 		W Ridgeway Ave / Chancellor Dr
(42.47011, -92.45341) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
48.4535 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 ICD estimated from Google Maps linework.
Dubuque, IA
Dubuque Co.
United States 		US 52 (SW Arterial - Seippel Rd.) / Chesterfield Dr. / US 20 EB ramps
(42.47403, -90.75987) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2020 https://www.telegraphherald.com/news/tri-state/article_25dde05e-920f-5330-8d6f-356d16812f2d.html
Southfield, MI
Oakland Co.
United States 		Civic Center Dr. / Evergreen Rd.
(42.48011, -83.24083) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.7566 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Southfield, MI
Oakland Co.
United States 		Evergreen Rd / (library and shopping center parking lots)
(42.48345, -83.24100) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.9929 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Dyersville, IA
Delaware Co.
United States 		CR X49 (332nd Ave.) / W 1st Ave. / 210th St.
(42.48441, -91.14450) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.dyersvillecommercial.com/news/new-roundabout-officially-open/image_90cf973c-23eb-59eb-9a68-62a9bf4de883.html
Cedar Falls, IA
Black Hawk Co.
United States 		Brandilynn Blvd. / Prairie Pkwy.
(42.48552, -92.43468) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.2763 		Other (At-Grade)
Single-Lane 		2009 In new commercial development. Functional Class: Local ICD estimated from Google Maps linework.
Novi, MI
Oakland Co.
United States 		Crescent Blvd. / Town Center Dr.
(42.48561, -83.46982) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.5879 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Southfield, MI
Oakland Co.
United States 		Franklin Rd. / W Eleven Mile Rd.
(42.48636, -83.29104) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
59.4360 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2017 Year Completed estimated (2017-2018).
Waterloo, IA
Black Hawk Co.
United States 		W 9th St. / South St.
(42.48850, -92.33818) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 https://k923.fm/new-waterloo-roundabout-is-almost-complete-look/
Cedar Falls, IA
Blackhawk Co.
United States 		Cedar Heights Dr. / Viking Rd.
(42.48899, -92.41638) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2007 Right-turn-only lane on west leg. Intersection relocated from T-intersection to the south. Opened November 2007.
Cedar Falls, IA
Black Hawk Co.
United States 		Prairie Pkwy. / Prairie View Rd.
(42.49038, -92.43412) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.7219 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 Year Completed estimated (2011-2015). Fist completed only with north and south legs, then east and west legs added 2015-2016. ICD estimated from Google Maps linework.
Dakota Dunes, SD
Union Co.
United States 		Dakota Dunes Blvd. / E Sawgrass Trl.
(42.49039, -96.49223) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
119.4816 		Other (At-Grade)
Single-Lane
Cedar Falls, IA
Black Hawk Co.
United States 		Cedar Heights Dr. / Huntington Rd.
(42.49125, -92.41124) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022
Bellwood Estates, MI
Oakland Co.
United States 		Bell Rd. / Coventry Woods Ln.
(42.49306, -83.27073) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.3944 		Other (At-Grade)
Single-Lane 		2017 Circulating edge line extensions across exits.
Southfield, MI
Oakland Co.
United States 		Winchester St. / Devonshire St.
(42.49321, -83.25204) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
2 Driveways
23.1648 		Other (At-Grade)
Single-Lane 		2019 https://www.cityofsouthfield.com/Portals/0/docs/Public%20Works/Roundabout%20FAQ_Section%2015%20Phase%20II.pdf ICD estimated from Google Maps linework.
Waterloo, IA
Black Hawk Co.
United States 		University Ave. / Fletcher Ave.
(42.49612, -92.36709) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2021
Dubuque, IA
Dubuque Co.
United States 		N Grandview Ave. / Delhi St. / Grace St.
(42.49682, -90.68791) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
20.2537 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
(unincorporated), IA
Blackhawk Co.
United States 		Independence Ave. (IA 281) / Raymond Rd. (V49)
(42.49790, -92.21953) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.7456 		Other (At-Grade)
Single-Lane 		2008 Opened Octboer 29, 2008. First roundabout in Iowa with 55mph approaches. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Cedar Falls, IA
Black Hawk Co.
United States 		Greenhill Rd. / Cedar Heights Dr.
(42.49805, -92.41128) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2021 Year Completed estimated (2021-2022).
Salem, MA
Essex Co.
United States 		Swampscott Rd. / 1st St.
(42.49822, -70.92450) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2019
Dubuque, IA
Dubuque Co.
United States 		N Grandview Ave. / University Ave.
(42.49832, -90.68817) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
29.9396 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Cedar Falls, IA
Black Hawk Co.
United States 		Greenhill Rd. / S Main St.
(42.49855, -92.44586) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 https://www.cedarfalls.com/1572/South-MainGreenhill-Intersection-Improve
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.
Brighton, MI
Livingston Co.
United States 		Maltby Rd. / (middle school access)
(42.50039, -83.78169) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2011-2015).
Cedar Falls, IA
Black Hawk Co.
United States 		University Ave. / Greenhill Rd.
(42.50253, -92.47488) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.9817 		Other (At-Grade)
Single-Lane 		2017 http://www.cedarfalls.com/CivicAlerts.aspx?AID=922&ARC=2213 ICD estimated from Google Maps linework.
Fort Dodge, IA
Webster Co.
United States 		1st Ave. S / 2nd Ave. S / 6th St.
(42.50361, -94.18974) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.7420 		Other (At-Grade)
Single-Lane 		2015 https://www.messengernews.net/progress-2017/progress-2017-business/2017/02/crosstown-connector-completed/ ICD estimated from Google Maps linework.