Roundabouts Database

28784 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.


Search Advanced Search Export as KML
City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
Castle Rock, CO
Douglas Co.
United States 		N Ridge Rd. / E Enderud Blvd.
(39.36979, -104.82294) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
44.3183 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 ICD estimated from Google Maps linework.
Brighton, CO
Adams Co.
United States 		W. Bridge St. / US 85 NB Ramps
(39.98683, -104.82320) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
43.0090 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 Part of double-dumbbell interchange with two roundabouts and one storage lane into railroad crossing. ICD estimated from Google Maps linework.
(unincorporated), CO
Douglas Co.
United States 		Meridian Village Pkwy. / Rutledge Ln.
(39.52471, -104.82329) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.4561 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
(unincorporated), CO
Douglas Co.
United States 		Meridian Village Pkwy. / Ashgrove Dr.
(39.52786, -104.82450) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.3754 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Brighton, CO
Adams Co.
United States 		W. Bridge St. / US 85 SB Ramps
(39.98682, -104.82450) 		Roundabout
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
43.9241 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 Part of double-dumbbell interchange with two roundabouts and one storage lane into railroad crossing. ICD estimated from Google Maps linework.
Aurora, CO
Arapahoe Co.
United States 		E Harvard Ave. / S Anaheim St. / Illif Station Rd.
(39.67177, -104.82563) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.6103 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Commerce City, CO
Adams Co.
United States 		E 112th Ave. / (parking)
(39.89972, -104.82580) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018).
(unincorporated), CO
Douglas Co.
United States 		Meridian Village Pkwy. / Bristleridge Dr.
(39.53102, -104.82616) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.2946 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		S Tejon St. / Cascade Ave. / Cheyenne Blvd. / E Ramona Ave.
(38.80932, -104.82650) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 Oblong shaped. https://gazette.com/cheyenneedition/traffic-circle-a-new-addition-to-ivywild-neighborhood/article_3fcc22d0-9c41-11ea-9167-03e005636fa2.html
Castle Rock, CO
Douglas Co.
United States 		Rising Sun Dr. / Autumn Sage St.
(39.39210, -104.82736) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.0731 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2007). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		E. Cheyenne Mountain Blvd. / Springmeadow Dr.
(38.79132, -104.82750) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
81.9191 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Commerce City, CO
Adams Co.
United States 		E 112th Ave. / Potomac St.
(39.89963, -104.82770) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018).
Meridian Inernational Business Center, CO
Douglas Co.
United States 		Tall Oaks St. / Bristleridge Dr.
(39.53104, -104.82951) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Colorado Springs, CO
El Paso Co.
United States 		Northgate Blvd. / I-25 NB Ramps
(39.02725, -104.83094) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.2461 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2013 https://www.krdo.com/news/local-news/north-gate-blvd-set-to-reopen-under-i-25-/34107950 . ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Struthers Rd. / Gleneagle Dr. / Gleneagle Gate View
(39.03042, -104.83108) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
64.0080 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2020 Oval shaped. ICD = 210 ft x 185 ft.
Commerce City, CO
Adams Co.
United States 		Wheeling St. / E 106th Ave. / Victor St.
(39.88895, -104.83121) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2003 Painted splitter islands.
Castle Rock, CO
Douglas Co.
United States 		Plum Creek Pkwy. / S Eaton Cir. / Eaton St.
(39.36073, -104.83311) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2020 Elliptical shaped. ICD = 145 ft x 115 ft. Year Completed estimated (2020-2021).
Colorado Springs, CO
El Paso Co.
United States 		Lake Ave. / Old Broadmoor Rd.
(38.79479, -104.83360) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.3405 		Other (At-Grade)
Single-Lane 		1995 Year Completed unknown (before 1999). ICD estimated from Google Maps linework.
Brighton, CO
Adams Co.
United States 		Southgate Blvd. / Gateway St.
(39.91320, -104.83390) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2018 Year Completed estimated (2018-2019).
Commerce City, CO
Adams Co.
United States 		E 105th Ave. / Uvalda St.
(39.88673, -104.83520) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (2002-2003).
Colorado Springs, CO
El Paso Co.
United States 		Northgate Blvd. / I-25 SB Ramps
(39.02538, -104.83627) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
49.1752 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2013 https://www.krdo.com/news/local-news/north-gate-blvd-set-to-reopen-under-i-25-/34107950 . ICD estimated from Google Maps linework.
Cheyenne, WY
Laramie Co.
United States 		Vandehei Ave. / I-25 NB Ramps / Hynds Blvd.
(41.18365, -104.83710) 		Roundabout
Existing 		All-Way Yield
None 		6 Approaches
0 Driveways
46.7405 		Freeway Ramps (Grade-Separated)
Single-Lane 		2011 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Commerce City, CO
Adams Co.
United States 		Turnberry Pkwy. / Revere St.
(39.89062, -104.83800) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
Cheyenne, WY
Laramie Co.
United States 		Vandehei Ave. / I-25 SB Ramps / Bishop Blvd.
(41.18365, -104.83900) 		Roundabout
Existing 		All-Way Yield
None 		6 Approaches
0 Driveways
44.9428 		Freeway Ramps (Grade-Separated)
Single-Lane 		2011 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Lake Ave. / Berthie Cir.
(38.79348, -104.83950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.7557 		Other (At-Grade)
Single-Lane 		1995 Year Completed unknown (before 1999). ICD estimated from Google Maps linework.
Young American, CO
Douglas Co.
United States 		E Plum Creek Pkwy. / Lake Gulch Rd. / S Gilbert St.
(39.35773, -104.84209) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2020 Year Completed estimated (2019-2021).
Engelwood, CO
Douglas Co.
United States 		Aviator Way / Aviator Ln.
(39.55846, -104.84554) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (2002-2003). South leg added 2004-2005.
Castle Rock, CO
Douglas Co.
United States 		Sapphire Pointe Blvd. / Sulfur Ln. / Peridot Ln.
(39.42788, -104.84576) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
63.6545 		Other (At-Grade)
Single-Lane 		2003 Single-stage pedestrian crossings, fully traversable splitter islands, no buffer between sidewalk and circulatory roadway. Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Beech Ave. / 1st St.
(38.79048, -104.84660) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
42.8219 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		Peoria St. / Cherry Creek Dr.
(39.61015, -104.84800) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.7631 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Centennial, CO
Arapahoe Co.
United States 		S Peoria St. / E Peakview Ave.
(39.59674, -104.84809) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.8116 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
(unincorporated), CO
Douglas Co.
United States 		Lioness Way / Lioness Pl.
(39.53520, -104.84861) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.5287 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Lake Ave. / Lake Cir.
(38.79144, -104.84880) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.2724 		Other (At-Grade)
Single-Lane 		1995 Year Completed estimated (before 1999). 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.
Commerce City, CO
Adams Co.
United States 		E 119th Ave. / Oakland St. / (unknown)
(39.91279, -104.84949) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2003-2004). East leg added 2008-2010.
Greeley, CO
Weld Co.
United States 		Promontory Cir. / W 11th St.
(40.41889, -104.84990) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 4 roundabouts in series; 6 in vicinity.
Greeley, CO
Weld Co.
United States 		Promontory Cir. / W. 16th St.
(40.41505, -104.85090) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 4 roundabouts in series; 6 in vicinity.
Greeley, CO
Weld Co.
United States 		Promontory Cir. / W 18th St.
(40.40869, -104.85120) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6717 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 4 roundabouts in series; 6 in vicinity.
Greeley, CO
Weld Co.
United States 		Promontory Cir. / Con Agra Dr.
(40.41138, -104.85200) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 4 roundabouts in series; 6 in vicinity.
Colorado Springs, CO
El Paso Co.
United States 		Mesa Ave. / Park Ave. / Lake Cir.
(38.79330, -104.85226) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.7188 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Castle Pines, CO
Douglas Co.
United States 		Westbridge Dr. / Cross Canyon Trl.
(39.45951, -104.85287) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Castle Rock, CO
Douglas Co.
United States 		Sapphire Pointe Blvd. / Tremolite Dr.
(39.42908, -104.85397) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
52.5832 		Other (At-Grade)
Single-Lane 		2005 No buffer between sidewalk and circulatory roadway. ICD estimated from Google Maps linework.
Greeley, CO
Weld Co.
United States 		Promontory Cir. / W 16th St. / (parking)
(40.41524, -104.85540) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 Part of 6 in vicinity.
Greeley, CO
Weld Co.
United States 		W 18th St. / Promontory Cir. / (parking)
(40.41203, -104.85840) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 Part of 6 in vicinity.
Monument, CO
El Paso Co.
United States 		Woodcarver Rd. / Baptist Rd.
(39.05651, -104.85853) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2016).
Parker, CO
Douglas Co.
United States 		Cross Canyon Trl. / Canyon Forge Dr.
(39.47008, -104.85988) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019).
Castle Rock, CO
Douglas Co.
United States 		S Wilcox St. / South St.
(39.36917, -104.86011) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 http://crgov.com/3296/Wilcox-and-South-Roundabout
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 		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.
Inverness, CO
Arapahoe Co.
United States 		Inverness Terr. / Inverness Blvd.
(39.57729, -104.87052) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2007
Inverness, CO
Arapahoe Co.
United States 		Inverness Main St. / Inverness Blvd.
(39.57922, -104.87057) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2006
Colorado Springs, CO
El Paso Co.
United States 		N 30th St. / Gateway Rd.
(38.87780, -104.87071) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2023 https://coloradosprings.gov/project/30th-street-corridor-project
(unincorporated), CO
Douglas Co.
United States 		Ridgegate Pkwy. / Ridgegate Cir. / Park Meadows Blvd.
(39.52945, -104.87450) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.3498 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework.
Henderson, CO
Adams Co.
United States 		Henderson Rd. / E 124th Ave. / Park Blvd.
(39.92505, -104.87550) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2022 Merging right-turn bypass lanes on north and east legs. https://adcogov.org/henderson-rd-park-blvd-roundabout-project
Aurora, CO
Denver Co.
United States 		Yosemite Way. / First Ave. / Dayton St.
(39.71878, -104.87592) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
49.6079 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 ICD estimated from Google Maps linework.
Cheyenne, WY
Laramie Co.
United States 		High Plains Rd. / I-25 NB Ramps
(41.06046, -104.87620) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
55.8337 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Only 3 of the 5 approaches are currently in service. One is under construction for the new Southeast Wyoming Welcome Center. The last is a future extension of High Plains to the east. ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States 		New Beale St. / (parking)
(39.41325, -104.87702) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2008).
Cheyenne, WY
Laramie Co.
United States 		High Plains Rd. / I-25 SB Ramps
(41.06202, -104.87730) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.4293 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States 		Castle Rock Pkwy. / Promenade Pkwy. / I-25 SB Off-Ramp / I-25 NB Ramps
(39.42427, -104.87786) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.3611 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States 		Promenade Pkwy. / (parking lots)
(39.41882, -104.87797) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.5192 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States 		Promenade Pkwy. / (parking lot)
(39.42238, -104.87869) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.5233 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Castle Pines, CO
Douglas Co.
United States 		Lagae Rd. / Monarch Blvd.
(39.46134, -104.87935) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.8834 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
Castle Pines, CO
Douglas Co.
United States 		Lagae Rd. / Hyland Hills Rd.
(39.46753, -104.88126) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.4902 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
(unincorporated), CO
Douglas Co.
United States 		Ridgegate Pkwy. / Ridgegate Cir. / Commons St.
(39.53187, -104.88300) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.4267 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States 		E. Lowry Blvd. / Yosemite St.
(39.72373, -104.88400) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.4416 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 ICD estimated from Google Maps linework.
Denver, CO
Arapahoe Co.
United States 		S Yosemite St. / E Wesley Dr.
(39.67305, -104.88513) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Castle Highlands, CO
Douglas Co.
United States 		Wolfensberger Rd. / Plum Creek Pkwy. / Coachline Rd.
(39.37564, -104.88568) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2018 Year Completed estimated (2017-2019).
(unincorporated), CO
Douglas Co.
United States 		Happy Canyon Rd. / Castle Pines Dr. S
(39.43975, -104.88723) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.1278 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States 		Sports Blvd. / Great Lawn Dr.
(39.71922, -104.88740) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
15.6172 		Other (At-Grade)
Single-Lane 		1997 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Denver, CO
Adams Co.
United States 		Xanthia St. / Xanthia Way / E. 24th Ave.
(39.75166, -104.88760) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.5468 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Denver, CO
Adams Co.
United States 		Willow St. / E. 21st Ave.
(39.74838, -104.88819) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.2212 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Windsor, CO
Weld Co.
United States 		CO 257 / Pointe Plaza Dr.
(40.47823, -104.88905) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2019 At-grade rail crossing located 370 feet to south. Year Completed estimated (2018-2019).
Denver, CO
Denver Co.
United States 		Fairmount Dr. / S Valentia St.
(39.70575, -104.89029) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2001 Year Completed estimated (1999-2002).
Denver, CO
Denver Co.
United States 		E. Lowry Blvd. / N. Uinta Way
(39.71986, -104.89070) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.5258 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States 		Sports Blvd. / Wright St.
(39.71698, -104.89131) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
18.3738 		Other (At-Grade)
Single-Lane 		1997 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Windsor, CO
Weld Co.
United States 		Eastman Park Dr. / Water Valley Pkwy. / Cornerstone Dr.
(40.46521, -104.89186) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.4372 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States 		N. Uinta Way / E. 6th Ave. Pkwy.
(39.72570, -104.89200) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.4401 		Other (At-Grade)
Single-Lane 		1998 ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States 		N Meadows Dr. / (unknown)
(39.41690, -104.89226) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2021
Denver, CO
Denver Co.
United States 		E. Lowry Blvd. / E Fairmount Dr. / Rampart Way
(39.71718, -104.89580) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.6091 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 ICD estimated from Google Maps linework.
Thornton, CO
Adams Co.
United States 		Tamarac St. / E 129th Ave. / Tamarac Way
(39.93026, -104.89660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
Denver, CO
Adams Co.
United States 		Syracuse St. / Rosalyn St. / 32nd Ave. Pkwy.
(39.76177, -104.89890) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.1333 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Brighton, CO
Adams Co.
United States 		156th Ave. / 157th Ave. / Syracuse Way
(39.97989, -104.89921) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019).
Henderson, CO
Adams Co.
United States 		E 96th Ave. / I-76 NB Ramps / Brighton Rd. / I-76 Frontage Rd.
(39.87074, -104.90024) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
68.7479 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2009 Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Thornton, CO
Adams Co.
United States 		E 122nd Ave. / Roslyn St.
(39.91776, -104.90064) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006).
(unincorporated), CO
Douglas Co.
United States 		W Happy Canyon Rd. / Castle Pines Dr.
(39.42838, -104.90106) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8306 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Windsor, CO
Weld Co.
United States 		Eastman Park Dr. / 3rd St.
(40.46570, -104.90190) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.2542 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Henderson, CO
Adams Co.
United States 		E 96th Ave. / I-76 WB Ramps / Brighton Rd. / I-76 Service Rd.
(39.87079, -104.90301) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
65.0813 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2009 Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Windsor, CO
Weld Co.
United States 		New Liberty Rd. / Marina Dr.
(40.44626, -104.90330) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
49.9896 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 ICD estimated from Google Maps linework.
Windsor, CO
Weld Co.
United States 		E Cross Roads Blvd. / 7th St. / (unknown)
(40.43692, -104.90540) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
58.1778 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Larkspur, CO
Douglas Co.
United States 		Bear Dance Dr. / Sky View Ln. / Elk View Rd. / Lake Dr.
(39.27054, -104.90711) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.4367 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Johnstown, CO
Weld Co.
United States 		CR 17 / CR 54
(40.37782, -104.90748) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://www.facebook.com/WeldCountyGovernment/photos/congratulations-to-the-weld-county-department-of-public-worksweld-countys-first-/1884120768409090
Thornton, CO
Adams Co.
United States 		131st Ave. / Oneida St.
(39.93268, -104.90764) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
Windsor, CO
Weld Co.
United States 		Eastman Park Dr. / 7th St.
(40.46536, -104.90772) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.6198 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Windsor, CO
Weld Co.
United States 		New Liberty Rd. / (future road)
(40.45101, -104.91123) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
43.6242 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2005 ICD estimated from Google Maps linework.
Windsor, CO
Weld Co.
United States 		7th St. (CR 17) / New Liberty Rd.
(40.45096, -104.91256) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.9005 		Other (At-Grade)
Single-Lane 		2019 https://www.windsorgov.com/CivicAlerts.aspx?AID=1016 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Berry Ave.
(39.61682, -104.91340) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
11.9603 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Dorado Ave.
(39.61319, -104.91350) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
9.2007 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Dorado Pl.
(39.61199, -104.91350) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
11.0410 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Ida Ave.
(39.61082, -104.91350) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
14.7216 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Powers Ave.
(39.61501, -104.91350) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
9.2005 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.