City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Douglasville,
GA Douglas Co. United States |
SR 5 / SR 166 (33.61361, -84.83688) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.8602 |
Other (At-Grade) Single-Lane |
2007 | Fatal crash November 24, 2011. 11861-05. ICD estimated from Google Maps linework. |
(unincorporated),
MD Anne Arundel Co. United States |
Arundel Beach Rd. / Leelyn Dr. (39.07955, -76.54560) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.9594 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Brunswick,
MD Frederick Co. United States |
MD 17 / A St. / B St. / Maryland Ave. (39.31433, -77.62807) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 42.5054 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
De Pere,
WI Brown Co. United States |
Scheuring Rd. (CTH F) / US 41 SB Ramps (44.43050, -88.11402) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 56.3880 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2011 | Series of 6 roundabouts. Opened September 2011. |
Catonsville,
MD Baltimore Co. United States |
MD 372 / Hilltop Rd. / Entrance to UMBC (39.25733, -76.71964) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.1417 |
Other (At-Grade) Single-Lane |
1998 | Functional Class: Collector ICD estimated from Google Maps linework. |
Lisbon,
MD Howard Co. United States |
MD 94 / Old Frederick Rd. (Lisbon North) (39.34810, -77.06930) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.7839 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Ellicott City,
MD Howard Co. United States |
MD 103 / MD 100 WB Ramps (39.20846, -76.78294) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.3154 |
Freeway Ramps (Grade-Separated) Single-Lane |
1998 | Opened November 1998. ICD estimated from Google Maps linework. |
Ellicott City,
MD Howard Co. United States |
MD 103 / MD 100 EB Ramps (39.20733, -76.78243) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.5396 |
Freeway Ramps (Grade-Separated) Single-Lane |
1998 | Opened November 1998. ICD estimated from Google Maps linework. |
Ellicott City,
MD Howard Co. United States |
Snowden River Pkwy. / MD 100 WB Ramps (39.21233, -76.79544) |
Roundabout Existing |
All-Way Yield Metering Signal |
3 Approaches 0 Driveways 25.9105 |
Freeway Ramps (Grade-Separated) Single-Lane |
1998 | Opened November 1998. Metering signal on Snowden River Pkwy approach. ICD estimated from Google Maps linework. |
Ellicott City,
MD Howard Co. United States |
MD 104 (Waterloo Rd.) / MD 100 WB Ramps (39.22470, -76.80600) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
1999 | |
Federalsburg,
MD Caroline Co. United States |
MD 307 / MD 313 / MD 318 (38.68938, -75.78949) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.4247 |
Other (At-Grade) Single-Lane |
1999 | Rural, installed for safety reasons Previously controlled by two-way stop ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE Ladd Circle (45.50850, -122.64940) |
Other Existing |
Unknown None |
0 Approaches 0 Driveways 92.0689 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Cedar Lake Township,
MN Scott Co. United States |
SH 13 (Langford Ave.) / CR 2 (260th St.) (44.57259, -93.50546) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.9429 |
Other (At-Grade) Single-Lane |
2005 | Rural location, intersection of two 55-mph facilities. Previous 2-way stop had 2 fatal crashes and 50 injury crashes in 5 years. Opened to traffic in September 2005. During 12 months after opening, 1 reported crash involving single motorcycle running off road. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Mount Rainier,
MD Prince Georges Co. United States |
US 1 / 34th St. / Perry St. (38.93647, -76.96074) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2001 | Oval shaped. ICD = 135 ft x 115 ft. |
Lutherville-Timonium,
MD Baltimore Co. United States |
MD 139 (Charles St.) / Bellona Ave. (39.41790, -76.62900) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Two-lane circulatory roadway across northern half. |
Copley Township,
OH Summit Co. United States |
Ridgewood Rd. / Hametown Rd. (41.11395, -81.66791) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.1947 |
Other (At-Grade) Single-Lane |
2006 | Opened August 21, 2006. ICD estimated from Google Maps linework. |
Decatur,
GA DeKalb Co. United States |
N Decatur Rd. / Lullwater Rd. (33.78744, -84.32914) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-Lane |
2004 | |
Durango,
CO La Plata Co. United States |
Jenkins Ranch Rd. / Ophir Dr. (37.28321, -107.85120) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 26.6075 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Huntsville,
AL Madison Co. United States |
Old Monrovia Rd. / Providence Main St. / Indian Creek Rd. (34.75765, -86.68776) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.3429 |
Other (At-Grade) Single-Lane |
2004 | Single-lane with right-turn only lanes. Built as staged construction with potential to be multilane. ICD estimated from Google Maps linework. |
Camp Verde,
AZ Yavapai Co. United States |
Middle Verde / Cliff Castle (34.60927, -111.86130) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.3535 |
Other (At-Grade) Single-Lane |
2005 | ICD estimated from Google Maps linework. |
De Pere,
WI Brown Co. United States |
Grant St. (CTH EE) / Lawrence Dr. (44.44511, -88.09367) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.8430 |
Other (At-Grade) Single-Lane |
2008 | Opened September 30, 2008. ICD estimated from Google Maps linework. |
Truckee,
CA Nevada Co. United States |
Donner Pass Rd. / W. River St. / McIver Crossing (39.32510, -120.19200) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.1077 |
Other (At-Grade) Single-Lane |
1998 | Fatal crash. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework. |
Durango,
CO La Plata Co. United States |
Jenkins Ranch Rd. / Kennebec Dr. (37.29216, -107.84010) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 23.7539 |
Other (At-Grade) Single-Lane |
2003 | ICD estimated from Google Maps linework. |
Dawsonville,
GA Dawson Co. United States |
SR 9E (Lumpkin Campground Rd.) / SR 318 (Dawson Forrest Rd.) (34.35427, -84.05168) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2006 | |
Oakwood,
GA Hall Co. United States |
Landrum Education Dr. / Frontage Rd. / Mathis Dr. (34.23434, -83.86434) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
2007 | Gainesville College. |
Pearl,
MS Rankin Co. United States |
MS 475 (Airport Rd.) / Old Brandon Rd. (32.29057, -90.07133) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 34.3273 |
Other (At-Grade) Single-Lane |
1997 | Use of paint to achieve (?) deflection. ICD estimated from Google Maps linework. |
Gorham,
ME Cumberland Co. United States |
US 202 / Rte. 4 / Rte. 237 (43.72846, -70.42525) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.0285 |
Other (At-Grade) Single-Lane |
1997 | Previously controlled by two-way stop ICD estimated from Google Maps linework. |
(unincorporated),
MD Prince Georges Co. United States |
Ft. Washington Rd. / Swan Creek Rd. (38.72498, -77.00491) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.1576 |
Other (At-Grade) Single-Lane |
1997 | Fourth leg added. Year Completed estimated (before 2001). ICD estimated from Google Maps linework. |
Bel Air,
MD Harford Co. United States |
Tollgate Rd. / Marketplace Dr. (39.52092, -76.35262) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.5602 |
Other (At-Grade) Single-Lane |
1996 | Three leg, off-set roundabout - off-set due to lack of r/w on top side of Functional Class: Collector ICD estimated from Google Maps linework. |
Columbia,
MD Howard Co. United States |
Banneker Rd. / Cul-de-sac (39.21141, -76.87041) |
Traffic Calming Circle Existing |
Unknown Unknown |
3 Approaches 0 Driveways 17.5824 |
Other (At-Grade) Single-Lane |
Functional Class: Local ICD estimated from Google Maps linework. | |
Columbia,
MD Howard Co. United States |
Trotter Rd. / South Wind Cir. (39.20956, -76.91891) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 23.1353 |
Other (At-Grade) Single-Lane |
1997 | Functional Class: Collector. Year Completed estimated (1993-2001). ICD estimated from Google Maps linework. |
Topeka,
KS Shawnee Co. United States |
Rice Rd. / I-70 WB Ramps / Sycamore Dr. (39.03610, -95.62310) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.5293 |
Freeway Ramps (Grade-Separated) Single-Lane |
2000 | Part of a major realignment of I-70 and K-4. Sycamore Drive is one way with two westbound lanes (into the roundabout). Partial cloverleaf AB interchange type. Completed October 2000. ICD estimated from Google Maps linework. |
Topeka,
KS Shawnee Co. United States |
Rice Rd. / I-70 EB Ramps / Cyprus Drive (39.03190, -95.62320) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 52.8817 |
Freeway Ramps (Grade-Separated) Single-Lane |
2000 | Part of a major realignment of I-70 and K-4. Cyprus Drive is One Way Eastbound (away from the roundabout). Partial cloverleaf AB interchange type. Completed October 2000. ICD estimated from Google Maps linework. |
Green Bay,
WI Brown Co. United States |
W. Mason St. (STH 32-STH 54) / US 41 SB Ramps (44.52418, -88.08284) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.9811 |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
2012 | Series of 3 roundabouts. Opened August 31, 2012. ICD estimated from Google Maps linework. |
Brattleboro,
VT Windham Co. United States |
Rte 9 / Rte 5 (42.88500, -72.55670) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 51.8160 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
1999 | Adjacent to I-89. Heavy truck volume (>7%). |
Green Bay,
WI Brown Co. United States |
W. Mason St. (STH 32-STH 54) / US 41 NB Ramps (44.52415, -88.08103) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 43.4266 |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
2012 | Series of 3 roundabouts. Opened August 31, 2012. ICD estimated from Google Maps linework. |
Lakewood,
CO Jefferson Co. United States |
Arbutus Dr. / Red Rocks Community College (39.71903, -105.14840) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.7465 |
Other (At-Grade) Single-Lane |
2001 | Functional Class: Collector ICD estimated from Google Maps linework. |
St. Simons,
GA Glynn Co. United States |
Frederica Rd. / Lawrence Rd. (31.21650, -81.37550) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 40.8563 |
Other (At-Grade) Single-Lane |
2006 | ICD estimated from Google Maps linework. |
Wall,
NJ Monmouth Co. United States |
NJ 35 / Atlantic Ave. (Brielle Circle) (40.13232, -74.06525) |
Rotary Existing |
Other Unknown |
4 Approaches 0 Driveways 129.6649 |
Other (At-Grade) Single-Lane |
Traffic circle conversion ICD estimated from Google Maps linework. | |
Southampton,
NJ Burlington Co. United States |
US 206 / NJ 70 (Red Lion Circle) (39.88715, -74.74104) |
Rotary Existing |
Unknown Unknown |
4 Approaches 0 Driveways 136.5464 |
Other (At-Grade) Single-Lane |
Traffic circle conversion Functional Class: Arterial ICD estimated from Google Maps linework. | |
Washington,
DC N/A Co. United States |
Dupont Circle (Mass Ave. / Conn. Ave. / New Hampshire Ave.19th St. / P St.) (38.90965, -77.04344) |
Signalized Roundabout/Circle Existing |
Signal None |
10 Approaches 0 Driveways 137.5441 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
Washington,
DC N/A Co. United States |
Washington Circle (Penn. Ave. / New Hampshire Ave. / 23rd St. / K St.) (38.90252, -77.05010) |
Signalized Roundabout/Circle Existing |
Signal None |
8 Approaches 0 Driveways 119.8984 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
Washington,
DC N/A Co. United States |
Scott Circle (Mass. Ave. / Rhode Isl. Ave. / 16th St. / N St.) (38.90725, -77.03654) |
Signalized Roundabout/Circle Existing |
Signal None |
6 Approaches 0 Driveways 51.1161 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
Washington,
DC N/A Co. United States |
Logan Circle (Rhode Isl. Ave. / Vermont Ave. / 13th St. / P St.) (38.90965, -77.02963) |
Signalized Roundabout/Circle Existing |
Signal None |
5 Approaches 0 Driveways 120.8157 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
Washington,
DC N/A Co. United States |
Thomas Circle (Mass Ave. / Vermont Ave. / 14th St. / M St.) (38.90565, -77.03196) |
Signalized Roundabout/Circle Existing |
Signal None |
6 Approaches 0 Driveways 75.2817 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
Washington,
DC N/A Co. United States |
Sheridan Circle (Mass Ave. / 23rd St. / R St.) (38.91214, -77.05065) |
Rotary Existing |
Uncontrolled None |
0 Approaches 0 Driveways 69.6989 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Functional Class: Arterial ICD estimated from Google Maps linework. | |
Washington,
DC United States |
Westmoreland Circle (Massachusetts Ave. NW / Dalecarlia Dr. / Western Ave. NW / Butterworth Pl. NW) (38.94892, -77.10097) |
Rotary Existing |
All-Way Yield None |
6 Approaches 0 Driveways 100.5840 |
Other (At-Grade) Multilane (3+ Lane) |
On boundary of DC and Maryland (Western Ave. is the boundary). | |
Washington,
DC N/A Co. United States |
Ward Circle (Mass. Ave. / Nebraska Ave.) (38.93792, -77.08590) |
Signalized Roundabout/Circle Existing |
Signal None |
0 Approaches 0 Driveways 80.8214 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
Washington,
DC United States |
Chevy Chase Circle (Connecticut Ave. NW / Western Ave. NW / Chevy Chase Pkwy. NW / Grafton St.) (38.96761, -77.07716) |
Rotary Existing |
All-Way Yield None |
7 Approaches 0 Driveways 109.7280 |
Other (At-Grade) Multilane (3+ Lane) |
On boundary between DC and Maryland (Western Ave. is the boundary). Pedestrian access to central island. | |
Washington,
DC N/A Co. United States |
Tenley Circle (Nebraska Ave. / Wisconsin Ave. / Yuma St.) (38.94628, -77.07875) |
Signalized Roundabout/Circle Existing |
Signal None |
0 Approaches 0 Driveways 73.3809 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
Washington,
DC N/A Co. United States |
Sherman Circle (Kansas Ave. / Illinois Ave. / Crittenden St.) (38.94733, -77.02190) |
Rotary Existing |
All-Way Stop None |
6 Approaches 0 Driveways 89.1704 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Functional Class: Arterial ICD estimated from Google Maps linework. | |
Washington,
DC N/A Co. United States |
Grant Circle (New Hampshire Ave. / Illinois Ave. / Varnum St. / NW 5th St.) (38.94312, -77.01926) |
Rotary Existing |
All-Way Stop None |
8 Approaches 0 Driveways 120.7587 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Functional Class: Arterial ICD estimated from Google Maps linework. | |
Portland,
OR Multnomah Co. United States |
NE Cesar E Chavez Blvd. (NE 39th Ave.) / NE Glisan St. (45.52640, -122.62300) |
Other Existing |
All-Way Stop None |
4 Approaches 0 Driveways 68.6113 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Stop-controlled entries into circle. Bus stop within circulatory roadway. Historical rotary with stop control. ICD estimated from Google Maps linework. | |
Beaverton,
OR Washington Co. United States |
SW Teal Blvd. / SW 155th Ave. / SW Nutcracker Ct. (45.44060, -122.83760) |
Other Existing |
All-Way Stop None |
4 Approaches 0 Driveways 37.7099 |
Other (At-Grade) Single-Lane |
Characteristics of a roundabout, but yield signs replaced with stop signs in 1998. ICD estimated from Google Maps linework. | |
Berkeley,
CA Alameda Co. United States |
Marin Ave. / Los Angeles Ave. / Del Norte St. / Arlington Ave. (37.89015, -122.27240) |
Other Existing |
One-Way/Two-Way Stop None |
6 Approaches 0 Driveways 25.4489 |
Other (At-Grade) Single-Lane |
Free movement on Marin Ave.; rest are stop-controlled ICD estimated from Google Maps linework. | |
Clackamas,
OR Clackamas Co. United States |
Monterey Ave. / Stevens Rd. (45.43780, -122.56390) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.8738 |
Other (At-Grade) Single-Lane |
2006 | Fourth leg serves New Hope Community Church parking lot. ICD estimated from Google Maps linework. |
Abingdon,
MD Harford Co. United States |
Tollgate Rd. / Montrose Way (39.48198, -76.32751) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.5762 |
Other (At-Grade) Single-Lane |
2003 | Elementary school and library to north, another school to south. Functional Class: Collector ICD estimated from Google Maps linework. |
Arcata,
CA Humboldt Co. United States |
West End Rd. / Spear Ave. / Saint Louis Rd. (40.88910, -124.08210) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.0866 |
Other (At-Grade) Single-Lane |
1998 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Arcata,
CA Humboldt Co. United States |
Samoa Blvd. / Union St. (40.86140, -124.07730) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.2273 |
Other (At-Grade) Single-Lane |
1999 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Bel Air,
MD Harford Co. United States |
Tollgate Rd. / Westover Ln. / Crisfield Dr. (39.46859, -76.32162) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.7377 |
Other (At-Grade) Single-Lane |
2002 | http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Arcata,
CA Humboldt Co. United States |
Samoa Blvd. / Buttermilk Ln. (40.85710, -124.07250) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.1329 |
Other (At-Grade) Single-Lane |
1999 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Arcata,
CA Humboldt Co. United States |
Guintoli Ln. / US 101 SB Ramps (40.90400, -124.08920) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.7180 |
Freeway Ramps (Grade-Separated) Single-Lane |
2005 | ICD estimated from Google Maps linework. |
Carrollton,
GA Carroll Co. United States |
GA 16 (Newnan Rd.) / Education Dr. (33.56571, -85.04510) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.8215 |
Other (At-Grade) Single-Lane |
2012 | Year Completed estimated (2010-2012). ICD estimated from Google Maps linework. |
Newnan,
GA Coweta Co. United States |
Calumet Pkwy. / Riva Ridge Ln. / Werz Industrial Dr. (33.40450, -84.76459) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.9406 |
Other (At-Grade) Single-Lane |
2003 | Painted splitter islands on three legs. Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. |
Bismarck,
ND Burleigh Co. United States |
ND 1804 / N Washington St. (46.88156, -100.79349) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Single-Lane |
2019 | https://www.ndltap.org/events/conference/downloads/LocalRoads18_RoundaboutsWS.pdf. • Entry Width: 24’ • Exit Width: 32’ • One 16’ Circulating Lane − Can be expanded to 30’ in Future (Two 15’ Lanes) • 45 MPH Approach Speed • 25 MPH Roundabout Circulatory Speed |
Burlington,
ND Ward Co. United States |
Heights Ave. / Johnson St. (north) (48.26352, -101.42156) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2014 | |
Burlington,
ND Ward Co. United States |
Heights Ave. / Johnson St. (south) (48.25887, -101.42307) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2014 | |
Williston,
ND Williams Co. United States |
32nd Ave. W / 7th St. W (48.15061, -103.66910) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2014 | |
Williston,
ND Williams Co. United States |
32nd Ave. W / Lewis Dr. (48.14800, -103.66908) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2014 | |
Loveland,
CO Larimer Co. United States |
Harrison Ave. / W 65th St. (40.45845, -105.08018) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.9844 |
Other (At-Grade) Single-Lane |
2011 | Right-turn bypass lane on east leg. ICD estimated from Google Maps linework. |
Aliso Viejo,
CA Orange Co. United States |
Lions Way / (unknown) (33.55813, -117.73431) |
Other Existing |
All-Way Stop None |
3 Approaches 0 Driveways 31.8485 |
Other (At-Grade) Single-Lane |
No splitter islands. Located at Soka University. ICD estimated from Google Maps linework. | |
Aliso Viejo,
CA Orange Co. United States |
(parking lot) (33.56895, -117.72473) |
Other Existing |
Other Unknown |
4 Approaches 0 Driveways 21.8931 |
Other (At-Grade) Single-Lane |
Mix of stop-controlled and uncontrolled approaches. ICD estimated from Google Maps linework. | |
Aliso Viejo,
CA Orange Co. United States |
Grand / Vanatis Dr. (33.57694, -117.72981) |
Other Existing |
Other Unknown |
3 Approaches 1 Driveways 28.8564 |
Other (At-Grade) Single-Lane |
One approach controlled by yield, two by stop sign, and one is uncontrolled. ICD estimated from Google Maps linework. | |
Flowery Branch,
GA Hall Co. United States |
Martin Rd. / JM Turk Rd. (34.19309, -83.88354) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.5639 |
Other (At-Grade) Single-Lane |
2019 | https://www.facebook.com/accesswdun/posts/the-new-roundabout-at-jm-turk-and-martin-roads-in-the-south-hall-area-is-set-to-/2848856911853127/ ICD estimated from Google Maps linework. |
Bowling Green,
MO Pike Co. United States |
US 61 Business / Sharry St. / Town Center Dr. / (unknown) (39.33272, -91.18290) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 57.2748 |
Other (At-Grade) Single-Lane |
2009 | Year Completed estimated (2007-2009). ICD estimated from Google Maps linework. |
Long Beach,
CA Los Angeles Co. United States |
W 4th St. / Daisy Ave. (33.77173, -118.19939) |
Traffic Calming Circle Existing |
All-Way Stop None |
4 Approaches 0 Driveways 15.8847 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
Long Beach,
CA Los Angeles Co. United States |
W 5th St. / Daisy Ave. (33.77292, -118.19939) |
Traffic Calming Circle Existing |
All-Way Stop None |
4 Approaches 0 Driveways 13.8990 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
Long Beach,
CA Los Angeles Co. United States |
W 8th St. / Daisy Ave. (33.77658, -118.19939) |
Traffic Calming Circle Existing |
All-Way Stop None |
4 Approaches 0 Driveways 15.8838 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
Long Beach,
CA Los Angeles Co. United States |
W 9th St. / Daisy Ave. (33.77776, -118.19939) |
Traffic Calming Circle Existing |
All-Way Stop None |
4 Approaches 0 Driveways 9.9273 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
Long Beach,
CA Los Angeles Co. United States |
W 10th St. / Daisy Ave. (33.77898, -118.19939) |
Traffic Calming Circle Existing |
All-Way Stop None |
4 Approaches 0 Driveways 11.9125 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
Pinckneyville,
IL Perry Co. United States |
Kennedy Dr. / IL 154 (38.08128, -89.39884) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 48.8852 |
Other (At-Grade) Single-Lane |
2016 | https://thesouthern.com/news/local/communities/pinckneyville/work-progressing-on-roundabout-in-pinckneyville/article_15117fb7-c620-5c5a-9396-51297680745e.html ICD estimated from Google Maps linework. |
Woodland,
CA Yolo Co. United States |
Harry Lorenzo Ave. / Farmers Central Rd. (38.65541, -121.74725) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9128 |
Other (At-Grade) Single-Lane |
2016 | ICD estimated from Google Maps linework. |
Woodland,
CA Yolo Co. United States |
Harry Lorenzo Ave. / Patriot Way (38.65914, -121.74722) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 13.9893 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
Woodland,
CA Yolo Co. United States |
Miekle Ave. / Marston Dr. (38.64444, -121.73614) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 25.1860 |
Other (At-Grade) Single-Lane |
2011 | ICD estimated from Google Maps linework. |
Woodland,
CA Yolo Co. United States |
Parkland Ave. / Marston Dr. (38.64459, -121.74446) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.0515 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
Tallahassee,
FL Leon Co. United States |
SR 61 / Oak Ridge Rd. W (30.32480, -84.31148) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 38.1439 |
Other (At-Grade) Single-Lane |
2019 | ICD estimated from Google Maps linework. |
Maytown,
PA Lancaster Co. United States |
N River St. / W High St. (40.07541, -76.58208) |
Other Existing |
One-Way/Two-Way Stop Unknown |
4 Approaches 0 Driveways 36.5559 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Marietta,
PA Lancaster Co. United States |
W Market St. / S Gay St. (40.05620, -76.55728) |
Other Existing |
Other Unknown |
4 Approaches 0 Driveways 30.1671 |
Other (At-Grade) Single-Lane |
Stop control on Gay Street; yield control on Market Street. Parking within square. ICD estimated from Google Maps linework. | |
Paradise Valley,
AZ Maricopa Co. United States |
E Mockingbird Ln. / E Northern Ave. / N Invergordon Rd. (33.55305, -111.94344) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 23.8877 |
Other (At-Grade) Single-Lane |
2005 | ICD estimated from Google Maps linework. |
Albuquerque,
NM Bernalillo Co. United States |
Candelaria Rd. NW / Rio Grande Blvd. NW (35.12510, -106.67385) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.4673 |
Other (At-Grade) Single-Lane |
2019 | https://www.krqe.com/news/albuquerque-metro/roundabout-at-candeleria-and-rio-grande-now-open/ ICD estimated from Google Maps linework. |
North East,
MD Cecil Co. United States |
MD 273 (Telegraph Rd.) / Blue Ball Rd. (39.70019, -75.93167) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.9998 |
Other (At-Grade) Single-Lane |
2019 | ICD estimated from Google Maps linework. |
Edwards,
CO Eagle Co. United States |
Edwards Roundabout (US 6 / Edwards Access Rd. / Edwards Village Blvd.) (39.64412, -106.59398) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.5813 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2019 | Elliptical shape. https://www.codot.gov/news/2019/august/edwards-spur-road-project-transitions-u-s-6-intersection-to-roundabout ICD estimated from Google Maps linework. |
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. |
Milford,
OH Clermont Co. United States |
Chamber Dr. / Beechwood Rd. (39.15816, -84.27320) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 16.6696 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2016 | Painted splitter islands. ICD estimated from Google Maps linework. |
Cold Spring,
MN Stearns Co. United States |
Red River Ave. N / N 5th Ave. E (45.46041, -94.42907) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.7229 |
Other (At-Grade) Single-Lane |
2016 | https://www.sctimes.com/story/news/local/rocori/2016/05/20/cold-spring-break-ground-citys-1st-roundabout/84643718/ ICD estimated from Google Maps linework. |
Dalton,
GA Whitfield Co. United States |
Carbondale Rd. SW / I-75 SB Ramps (34.65311, -84.98468) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 49.1233 |
Freeway Ramps (Grade-Separated) Single-Lane |
2018 | https://www.dailycitizen.news/news/local_news/expect-traffic-shift-onto-new-carbondale-road-roundabout/article_c6b0ed90-9a72-11e7-9b0e-171be0ee215b.html ICD estimated from Google Maps linework. |
Dalton,
GA Whitfield Co. United States |
Carbondale Rd. SW / I-75 NB Ramps (34.65372, -84.98301) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.2457 |
Freeway Ramps (Grade-Separated) Single-Lane |
2018 | https://www.dailycitizen.news/news/local_news/expect-traffic-shift-onto-new-carbondale-road-roundabout/article_c6b0ed90-9a72-11e7-9b0e-171be0ee215b.html ICD estimated from Google Maps linework. |
Dalton,
GA Whitfield Co. United States |
US 41 (S Dixie Rd.) /Carbondale Rd. SW / Tilton Rd. SE (34.65534, -84.97859) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 49.1220 |
Other (At-Grade) Single-Lane |
2018 | Striped out inner circulating lane and inner entry and exit lanes on north, south, and west legs. ICD estimated from Google Maps linework. |
East Chicago,
IN Lake Co. United States |
Aldis Ave. / Michigan Ave. / (parking) (41.65558, -87.43921) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2017 | Right-turn bypass lane on northwest leg. Removed Inland Steel Overpass to build this roundabout. Opened to traffic 29 Nov 2017. https://xrock1039.com/our-communities/ribbon-cutting-next-week-for-new-east-chicago-roundabout/ |
Fairhope,
AL Baldwin Co. United States |
CR 13 (Oberg Rd.) / Gayfer Rd. (30.53094, -87.86917) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.2071 |
Other (At-Grade) Single-Lane |
2017 | Striped out (non-raised) external truck aprons on each entry. https://www.facebook.com/fairhope.times/posts/-and-construction-of-the-new-roundabout-on-cr-13-at-gayfer-road-will-begin-next-/677424982444080/ ICD estimated from Google Maps linework. |