Roundabouts Database

28782 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
Lee, NH
Rockingham Co.
United States 		US 4 / Rte 125
(43.14910, -71.00666) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2015 Constructed November 2003 as single-lane rotary as part of new shopping mall. Converted to multilane roundabout in 2015. First multilane roundabout conversion in New Hampshire.
Nashua, NH
Hillsborough Co.
United States 		Main St. / Daniel Webster Hwy
(42.73881, -71.45826) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.4557 		Other (At-Grade)
Single-Lane 		2003 Located near Rivier College, 1/4 mile north of Exit 3 of the Everett Turnpike. ICD estimated from Google Maps linework.
Newton, MA
Middlesex Co.
United States 		Wheeler Rd. / Meadowbrook Rd.
(42.30915, -71.19085) 		Other
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
0 Driveways
22.0809 		Other (At-Grade)
Single-Lane 		2003 At elementary school. ICD estimated from Google Maps linework.
Barnstable, MA
Barnstable Co.
United States 		Rte 149 / Race Ln.
(41.68164, -70.40159) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8676 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Abingdon, MD
Harford Co.
United States 		Tollgate Rd. / Singer Rd.
(39.47828, -76.32727) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8121 		Other (At-Grade)
Single-Lane 		1998 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Fountain Green, MD
Harford Co.
United States 		Prospect Mill Rd. / Wagner Rd.
(39.55824, -76.30247) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.3072 		Other (At-Grade)
Single-Lane 		2002 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 Functional Class: Collector ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States 		Moores Mill Rd. / Brushing Ln.
(39.54368, -76.32365) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.6298 		Other (At-Grade)
Single-Lane 		2001 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Frogtown, MD
Harford Co.
United States 		Mardic Dr. / Willrich Ct.
(39.57178, -76.37160) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.3011 		Other (At-Grade)
Single-Lane 		2001 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		4th Ave. / Kellogg St.
(46.20635, -119.20120) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.2355 		Other (At-Grade)
Single-Lane 		2009 April 2009. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		Grandridge Blvd. / Okanogan Pl.
(46.22327, -119.21380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.3148 		Other (At-Grade)
Single-Lane 		2003 Completed November 2003. Functional Class: Collector ICD estimated from Google Maps linework.
Nampa, ID
Canyon Co.
United States 		Happy Valley Rd. / Amity Ave.
(43.56146, -116.51290) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.2726 		Other (At-Grade)
Single-Lane 		2006 Designed for ultimate two-lane w/ 180-ft ICD. Current 160-ft single-lane is initial build. Previously controlled by 4-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Lithonia, GA
DeKalb Co.
United States 		Klondike Rd. / Rockland Rd.
(33.67606, -84.11486) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.7927 		Other (At-Grade)
Single-Lane 		2008 Previously controlled by two-way stop control ICD estimated from Google Maps linework.
Gatineau, QC
Outaouais Region
Canada 		Blvd. St.-Laurent / Blvd. St.-Joseph (Rte. 105)
(45.43216, -75.73323) 		Roundabout
Existing 		All-Way Yield
Pedestrian Signal (red-yellow-green to drivers) 		4 Approaches
0 Driveways
49.4493 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Staggered, two-stage pedestrian signal on east leg. Warning beacons on other legs. Functional Class: Arterial ICD estimated from Google Maps linework.
Brighton, MI
Livingston Co.
United States 		Lee Rd. / US 23 NB Ramps / Fieldcrest Dr.
(42.50486, -83.75652) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.5461 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2005 ICD estimated from Google Maps linework.
Brighton, MI
Livingston Co.
United States 		Lee Rd. / US 23 SB Ramps
(42.50605, -83.75954) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.8600 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 Linked with Lee Rd/Whitmore Lake Rd roundabout. Previously controlled by one-way stop control ICD estimated from Google Maps linework.
Brighton, MI
Livingston Co.
United States 		Lee Rd. / Whitmore Lake Rd.
(42.50627, -83.76012) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.2622 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Linked with US 23 SB Ramps/Lee Rd. roundabout. Functional Class: Arterial ICD estimated from Google Maps linework.
Buena Vista Township, MI
Saginaw Co.
United States 		M-81 / I-75 SB Ramps
(43.45060, -83.89209) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.6818 		Freeway Ramps (Grade-Separated)
Single-Lane 		2006 Right turn bypass lanes ICD estimated from Google Maps linework.
Buena Vista Township, MI
Saginaw Co.
United States 		M-81 / I-75 NB Ramps
(43.45056, -83.88958) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.6818 		Freeway Ramps (Grade-Separated)
Single-Lane 		2006 Right turn bypass lanes ICD estimated from Google Maps linework.
Marshall, MI
Calhoun Co.
United States 		I-94 Business (W Michigan Ave.) / M-227 (Kalamazoo Ave.)
(42.27199, -84.96413) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
83.0730 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Homer, MI
Calhoun Co.
United States 		Hillsdale St. / Main St.
(42.14585, -84.80890) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
39.8485 		Other (At-Grade)
Single-Lane 		Before 1999. ICD estimated from Google Maps linework.
Tamarack Resort, ID
Valley Co.
United States 		West Mountain Rd. / Village Dr.
(44.66998, -116.11130) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.9203 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Jupiter, FL
Palm Beach Co.
United States 		S. Central Blvd. / Indian Creek Pkwy.
(26.91067, -80.11073) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
105.4349 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Functional Class: Arterial ICD estimated from Google Maps linework.
Jupiter, FL
Palm Beach Co.
United States 		S. Central Blvd. / Frederick Small Rd.
(26.89750, -80.11127) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
119.2938 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 ICD estimated from Google Maps linework.
Jupiter, FL
Palm Beach Co.
United States 		S. Central Blvd. / Main St.
(26.88774, -80.11160) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
119.3041 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 ICD estimated from Google Maps linework.
Fort Walton Beach, FL
Oskaloosa Co.
United States 		Hollywood Blvd. / Hill Ave.
(30.41394, -86.66806) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.8704 		Other (At-Grade)
Single-Lane 		1995 Anderson Drive to south is disconnected at roundabout.
Stuart, FL
Martin Co.
United States 		S. Dixie Hwy / SW Joan Jefferson Way / SW Akron Ave. / SW St. Lucie Ave.
(27.19928, -80.25545) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
29.7433 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
South Windsor, CT
Hartford Co.
United States 		Hemlock Ave. / Evergreen Way
(41.81417, -72.55495) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.3975 		Other (At-Grade)
Single-Lane 		2004 Roundabout is part of The Shops at Evergreen Walk retail center. ICD estimated from Google Maps linework.
Chattanooga, TN
Hamilton Co.
United States 		SR 153 NB Ramps / Lake Resort Dr.
(35.10986, -85.22842) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
55.6902 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 At new intersection with new bridge and alignment of Lake Resort Drive. Former intersection was ~800 to the south. Non-symetric design. Some motions have two lanes. Previously controlled by signal ICD estimated from Google Maps linework.
Chattanooga, TN
Hamilton Co.
United States 		SR 153 SB Ramps / N. Access Rd. / TVA offices
(35.10868, -85.23122) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
97.7036 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 N Access Road is a 4 lane arterial road. Fatal crash April 4, 2010. 11861-05. ICD estimated from Google Maps linework.
Chattanooga, TN
Hamilton Co.
United States 		Mountain Creek Rd. / W Rd.
(35.10743, -85.32608) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
21.4951 		Other (At-Grade)
Single-Lane 		2003 At the base of the Previously controlled by one way stop ICD estimated from Google Maps linework.
Knightdale, NC
Wake Co.
United States 		Hinton Oakes Blvd. / Lynnwood Rd.
(35.79374, -78.51039) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.6876 		Other (At-Grade)
Single-Lane 		2007 Roundabout was designed to accommodate existing utilities and connect two existing roads and a driveway to a new retail outlet. Functional Class: Arterial ICD estimated from Google Maps linework.
Knightdale, NC
Wake Co.
United States 		Widewater Blvd. / Village Park Dr.
(35.79402, -78.50642) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.4687 		Other (At-Grade)
Single-Lane 		2004 Constructed using concrete. (Updated in 2007?) Functional Class: Collector ICD estimated from Google Maps linework.
Knightdale, NC
Wake Co.
United States 		Maplewood Dr. / McKnight Dr.
(35.79656, -78.48228) 		Other
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
33.9052 		Other (At-Grade)
Single-Lane 		2000 Functional Class: Collector ICD estimated from Google Maps linework.
Spokane, WA
Spokane Co.
United States 		Crestline Rd. / Lincoln St.
(47.72944, -117.37920) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.5271 		Other (At-Grade)
Single-Lane 		2006 Opened September 2006. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Brainard Dr. / Squirreltail Dr.
(38.96376, -104.74410) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.2161 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Serenity Park Dr. / (parking lot)
(39.01540, -104.81010) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
23.1991 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Research Pkwy. / (unknown #1)
(38.95966, -104.72230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5774 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Has marked double-left turn at northbound entry using conventional arrows. Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Research Pkwy. / (unknown #2)
(38.96123, -104.71810) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.2198 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Research Pkwy. / (unknown #3)
(38.96204, -104.71430) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.1479 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		New Car Dr. / Duryea Dr.
(38.93880, -104.72930) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.5906 		Other (At-Grade)
Single-Lane 		2003 Serves retail shopping center. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		New Car Dr. / Test Dr.
(38.93844, -104.73440) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.6618 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Serves retail shopping center. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		New Car Dr. / parking lot
(38.93777, -104.73750) 		Other
Existing 		Unknown
None 		2 Approaches
0 Driveways
43.6622 		Other (At-Grade)
Single-Lane 		Serves retail shopping center. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Newport Rd. / Vapor Trl.
(38.80787, -104.72680) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
25.1284 		Other (At-Grade)
Single-Lane 		2002 Y-shaped intersection. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Rockhurst Blvd. / University Park Blvd.
(38.91005, -104.78980) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
21.3750 		Other (At-Grade)
Single-Lane 		1998 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Rockhurst Blvd. / Montebello Dr.
(38.90582, -104.78980) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
20.4468 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Collegiate Dr. / Michael Dr.
(38.89928, -104.78230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.7308 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Kettle Drum St. / Antelope Ridge Dr.
(38.90673, -104.68530) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.6699 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Carefree Cir. / New Center Pl.
(38.87741, -104.71720) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
44.6291 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Cedar Creek View / (parking lot)
(38.85572, -104.72340) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.1815 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Treeline View / Stately View
(38.87351, -104.86560) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
38.1228 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		(unknown #2)
(38.87847, -104.84910) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
18.5952 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Mesa Rd. / Kissing Camels Dr.
(38.87808, -104.86580) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.7525 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
New York, NY
Manhattan Co.
United States 		Columbus Circle (7th Ave. / Broadway / Central Park West / Central Park South)
(40.76808, -73.98187) 		Signalized Roundabout/Circle
Existing 		Signal
None 		5 Approaches
0 Driveways
123.0168 		Other (At-Grade)
Multilane (3+ Lane) 		1905 ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States 		Virginia Ave. / Memorial Blvd. / Prospect St. / Key St.
(39.63728, -77.72873) 		Other
Existing 		Other
None 		0 Approaches
0 Driveways
36.7900 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States 		E. Irvin Ave. / Mealey Pkwy.
(39.65536, -77.70186) 		Other
Existing 		All-Way Stop
None 		0 Approaches
0 Driveways
37.6999 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States 		E. Irvin Ave. / View St. / Valleybrook Dr.
(39.65536, -77.70058) 		Other
Existing 		All-Way Stop
None 		0 Approaches
0 Driveways
31.2633 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States 		E. Magnolia Ave. / Mealey Pkwy.
(39.65762, -77.70140) 		Other
Existing 		All-Way Stop
None 		0 Approaches
0 Driveways
32.1818 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States 		E. Magnolia Ave. / E. Irvin Ave.
(39.65722, -77.69958) 		Other
Existing 		All-Way Stop
None 		0 Approaches
0 Driveways
27.5846 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		W. Harvard Rd. / S. Moundridge Dr.
(38.96770, -95.30438) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
13.0003 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
(unincorporated), MA
Barnstable Co.
United States 		Rte 6A / Rte 28 (gateway to Cape Cod)
(41.74313, -70.58651) 		Rotary
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
118.8720 		Other (At-Grade)
Multilane (2 Lane, unspecified)
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.
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.
Gaithersburg, MD
Montgomery Co.
United States 		Kentlands Blvd. / Main St.
(39.12333, -77.23855) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		1994 Year Completed estimated (1993-2002).
Gaithersburg, MD
Montgomery Co.
United States 		Kentlands Blvd. / Market St.
(39.12309, -77.23489) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		1994 Year Completed estimated (1993-2002).
Gaithersburg, MD
Montgomery Co.
United States 		Orchard Ridge Dr. / Mill Green Ave.
(39.12559, -77.22635) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.9872 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 ICD estimated from Google Maps linework.
Gaithersburg, MD
Montgomery Co.
United States 		Winter Walk Dr. / Highland Ridge Ave.
(39.12807, -77.22692) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.2800 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2002). Was cul-de-sac prior to addition of two more legs. ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		S. Touchmark Way / E. Louise Dr.
(43.60317, -116.34880) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.4050 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		S. Touchmark Way / S. Worth Way
(43.60206, -116.34610) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.2704 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Arlington, VA
Arlington Co.
United States 		Memorial Dr. / Arlington Memorial Bridge
(38.88573, -77.06004) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
114.3488 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		G St. / 3rd St. SW
(38.88127, -77.01520) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
26.9620 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		G St. / 1st St. SW
(38.88119, -77.01228) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
31.6106 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		H St. / Delaware Ave.
(38.88028, -77.01262) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
31.6110 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		New York Ave. / Montana Ave. / West Virginia Ave.
(38.91723, -76.97813) 		Signalized Roundabout/Circle
Existing 		Signal
None 		0 Approaches
0 Driveways
65.9769 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		Pennsylvania Ave. / Potomac Ave.
(38.88034, -76.98549) 		Signalized Roundabout/Circle
Existing 		Signal
None 		0 Approaches
0 Driveways
81.8167 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Jensen Beach, FL
Martin Co.
United States 		Jensen Beach Blvd. / Candice Ave. / Pineapple Dr.
(27.24387, -80.22741) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only) 		5 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Railroad running through central island. ADT volume of 27000 on five-lane road west leg. Also an evacuation route. High volume FEC freight line.
Jensen Beach, FL
Martin Co.
United States 		SR 707 / Pineapple Dr. / Jensen Beach Causeway
(27.25074, -80.22818) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.7914 		Other (At-Grade)
Single-Lane 		1999 RT only lanes entering roundabout on two approaches. ICD estimated from Google Maps linework.
Brighton, MI
Livingston Co.
United States 		Village Place Blvd. / Green Oak Dr. / Fieldcrest Dr.
(42.50573, -83.75296) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2006
Brighton, MI
Livingston Co.
United States 		Village Place Blvd. / Green Oak Ave.
(42.50698, -83.75462) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 ICD estimated from Google Earth.
Ancaster, ON
Hamilton
Canada 		Wilson St. / Meadowbrook Dr. / Hamilton Dr.
(43.20797, -80.00224) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.6911 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Markham, ON
York Region
Canada 		Prospectors Dr. / Angus Glen Blvd.
(43.89075, -79.31981) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.2641 		Other (At-Grade)
Single-Lane 		2004 Functional Class: Local ICD estimated from Google Maps linework.
Markham, ON
York Region
Canada 		Prospectors Dr. / The Fairways
(43.89400, -79.32079) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.0985 		Other (At-Grade)
Single-Lane 		2004 Functional Class: Local ICD estimated from Google Maps linework.
Richmond, VA
Henrico Co.
United States 		Monument Ave. / Allen Ave.
(37.55384, -77.46020) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
74.8004 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Richmond, VA
Henrico Co.
United States 		Stuart Circle
(37.55246, -77.45788) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
35.9806 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Greensboro, NC
Guilford Co.
United States 		Greene St. / McGee St.
(36.06852, -79.79192) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.2386 		Other (At-Grade)
Single-Lane 		2006 This is part of a major transformation of Greene Street in Downtown Greensboro. Greene Street is currently 4 lanes one-way and will be converted to 2-way traffic with one lane in each direction and angled parking in the middle of the street separated by a median. Functional Class: Arterial ICD estimated from Google Maps linework.
Concord, CA
Contra Costa Co.
United States 		Landana Dr. / Mulberry Dr.
(37.97886, -121.99430) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
16.0041 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Huntington, NY
Suffolk Co.
United States 		Clinton Ave. / Gerard St.
(40.87225, -73.42886) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
14.4499 		Other (At-Grade)
Single-Lane 		2002 http://query.nytimes.com/gst/fullpage.html?res=9D04E4DB133DF931A15751C1A9649C8B63 ICD estimated from Google Maps linework.
New Orleans, LA
Orleans Par.
United States 		Lee Circle (St. Charles Ave. / Andrew Higgins Dr.)
(29.94333, -90.07247) 		Signalized Roundabout/Circle
Existing 		Other
None 		4 Approaches
0 Driveways
99.3513 		Other (At-Grade)
Unknown 		Two tram lines run along the circulatory roadway. Some entry-circulating points are fully signalized; others are yield-controlled. ICD estimated from Google Maps linework.
Metairie Terrace, LA
Jefferson Par.
United States 		Causeway Blvd. (LA 3046) / US 61 (Airline Hwy.)
(29.97476, -90.15636) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
107.5965 		Other (At-Grade)
Unknown 		Single-point interchange using one circle. Entire circle is on causeway structure over railroad yards. ICD estimated from Google Maps linework.
Pittsfield Township, MI
Washtenaw Co.
United States 		Campus Pkwy. / Suncrest Dr. / (parking)
(42.18764, -83.74729) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2002
Pittsfield Township, MI
Washtenaw Co.
United States 		Campus Pkwy. / Community Dr.
(42.18982, -83.74387) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2002
Meridian Township, MI
Ingham Co.
United States 		Hulett Rd. / Bennett Rd.
(42.69739, -84.44709) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.9884 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Manistee, MI
Manistee Co.
United States 		Lakeshore Dr. / Monroe St. / Cottage Ln.
(44.25355, -86.33302) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
45.3388 		Other (At-Grade)
Single-Lane 		1992 Before 1993. No splitter islands on east leg. ICD estimated from Google Maps linework.
Jessup, MD
Anne Arundel Co.
United States 		MD 198 (Laurel Fort Meade Rd.) / MD 32 EB Ramps
(39.08997, -76.75736) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2002 Lanes reduced in 2010. 21442
Jackson, MI
Jackson Co.
United States 		4th St. / West Ave.
(42.22067, -84.41847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.3790 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Between 1999 and 2005. ICD estimated from Google Maps linework.
Orion Township, MI
Oakland Co.
United States 		Baldwin Rd. / Indianwood Rd. / Coats Rd.
(42.78413, -83.31979) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.0862 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 ICD estimated from Google Maps linework.
Jessup, MD
Anne Arundel Co.
United States 		MD 198 (Laurel Fort Meade Rd.) / MD 32 WB Ramps
(39.09178, -76.75688) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2002 Lanes reduced in 2010. 21442
Litchfield Park, AZ
Maricopa Co.
United States 		Wigwam Creek Blvd. / (unknown)
(33.51746, -112.32560) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
17.9232 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Port St. Lucie, FL
St. Lucie Co.
United States 		SE Westmorelane Blvd. / Gowan Dr.
(27.25913, -80.29256) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.5423 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Port St. Lucie, FL
St. Lucie Co.
United States 		SE Westmorelane Blvd. / Bakersfield St.
(27.25836, -80.28521) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.7276 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Muskegon Township, MI
Muskegon Co.
United States 		Chesapeake Dr. / Walker Rd.
(43.23787, -86.17437) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.4138 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.