Roundabouts Database Index

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
Westminster, CO Adams Co. United States	W 68th Ave. / Creekside Dr. / Hooker St. (39.82018, -105.02873)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.6021	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Rigden Pkwy. / Custer Dr. (40.54863, -105.02960)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.9307	Other (At-Grade) Single-Lane	2001	Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Erie, CO Weld Co. United States	Vista Pkwy. / Mountain View Blvd. (40.00784, -105.03110)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 27.4441	Other (At-Grade) Single-Lane	2006	Northbound right turn bypass lane. Functional Class: Local ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Sculptor Dr. / Corvus Dr. (40.39647, -105.03130)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 37.2926	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Snow Mesa Dr. / (parking) (40.52404, -105.03198)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2007
Loveland, CO Larimer Co. United States	Aries Dr. / Saint John Pl. (40.39440, -105.03312)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 21.8305	Other (At-Grade) Single-lane w/ Traversable Central Island	2013	Year Completed estimated (2012-2014). Appears to be a mini-roundabout but cannot verify at ground level. ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Sculptor Dr. / (unknown) / (parking lot) (40.40465, -105.03520)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 59.1152	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Erie, CO Weld Co. United States	Colliers Blvd. / Colliers Pkwy. / Orion Cir. (40.04713, -105.03536)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2014).
Littleton, CO Douglas Co. United States	Eagle River St. / Williamsburg St. (39.50250, -105.03622)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2017-2018).
(unincorporated), CO Douglas Co. United States	Titan Rd. / Eagle River St. (39.50721, -105.03658)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 51.6027	Other (At-Grade) Single-Lane	2017	Roundabout has been constructed, but is not being fully utilized yet until the Sterling Ranch development is complete. ICD estimated from Google Maps linework.
Littleton, CO Douglas Co. United States	Eagle River St. / Blue River Ave. (39.50434, -105.03678)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2017
Loveland, CO Larimer Co. United States	Emerald St. / Lapis Pl. (40.39611, -105.03932)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 16.7640	Other (At-Grade) Single-lane w/ Traversable Central Island	2020
Loveland, CO Larimer Co. United States	Turquoise St. / Lapis Pl. (40.39765, -105.03948)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 16.7640	Other (At-Grade) Single-lane w/ Traversable Central Island	2020
Fort Collins, CO Larimer Co. United States	CR 30 / CR 11 (S Timberline Rd.) (40.46567, -105.03951)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.5283	Other (At-Grade) Single-Lane	2015	Long splitter islands. Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	E. 13th St. / (unknown) / (parking lot) (40.40565, -105.03960)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 132.7798	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Erie, CO Weld Co. United States	Lehigh Cir. / Bonanza Dr. (40.03702, -105.04080)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 29.2612	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Penrose, CO Fremont Co. United States	SR 115 / US 50 EB Ramps (38.41802, -105.04263)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2024	https://krdo.com/news/top-stories/2024/07/02/traffic-roundabout-now-open-at-interchange-of-us-50-highway-115-in-fremont-county/
Littleton, CO Douglas Co. United States	Middle Fork St. / Garden City Ave. (39.49889, -105.04348)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Linden Park, CO Larimer Co. United States	Fossil Creek Circle (40.49945, -105.04367)	Other Existing	Unknown Unknown	6 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		Pedestrian access to central island.
Loveland, CO Larimer Co. United States	CR 30 / CR 11C (40.46562, -105.04412)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.6197	Other (At-Grade) Single-Lane	2015	Long splitter islands. Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	CR 11C / E 57th St. (40.45099, -105.04418)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.3535	Other (At-Grade) Single-Lane	2019	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	E. 13th St. / N. Denver Ave. (40.40520, -105.04480)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7445	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Southbound approach has two-lane approach with right-turn-only lane; all other approaches are single-lane. Traffic from SuperWalMart and movie theatre go through roundabout to get to NB Denver to get to US 34/Eisenhower. Functional Class: Collector ICD estimated from Google Maps linework.
Littleton, CO Douglas Co. United States	Middle Fork St. / Mt Jackson St. (39.49687, -105.04533)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Littleton, CO Douglas Co. United States	Chatfield Lake Rd. / Eagle River St. / (unknown) (39.51555, -105.04585)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2020
Loveland, CO Larimer Co. United States	Seven Lakes Dr. / Horseshoe Dr. (40.42844, -105.05100)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 20.0011	Other (At-Grade) Single-Lane	1996	Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Silverwood Dr. / Centennial Rd. (40.54545, -105.05120)	Traffic Calming Circle Removed	All-Way Yield None	4 Approaches 0 Driveways 31.7646	Other (At-Grade) Single-Lane		Small almost mini-roundabout used for traffic calming measure. People drove through plastic posts, rendering roundabout useless; idea scrapped in less than 6 mo. Functional Class: Collector ICD estimated from Google Maps linework.
Littleton, CO Douglas Co. United States	Chatfield Lake Rd. / N Roxborough Park Rd. (39.52660, -105.05232)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2020	Merging right-turn bypass lane on south leg.
Fort Collins, CO Larimer Co. United States	Mt. Vernon Ct. / New Bedford Dr. / Ticonderoga Dr. (40.53008, -105.05420)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 25.4175	Other (At-Grade) Single-Lane		Small almost mini roundabout, not very functional. Has small central island and no splitter islands only haching and road markings. Functional Class: Collector ICD estimated from Google Maps linework.
Littleton, CO Douglas Co. United States	N Roxborough Park Rd. / Bright Sky Ln. (39.52370, -105.05422)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2020
Fort Collins, CO Larimer Co. United States	Stanton Creek Dr. / Tortola Way (40.48999, -105.05430)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 25.4327	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	E Lincoln Ave. / Cordova Rd. / (apartment access) (40.58852, -105.05439)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.9999	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Edgewater, CO Jefferson Co. United States	W 20th Ave. / Benton St. (39.74763, -105.05562)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2022	Elliptical shaped. ICD = 100 ft x 85 ft.
Fort Collins, CO Larimer Co. United States	Stanton Creek Dr. / St. Thomas Dr. (40.49066, -105.05590)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 24.5241	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Erie, CO Weld Co. United States	CW Bixler Blvd. / Washburn St. (40.06230, -105.05650)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 20.1096	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Longmont, CO Boulder Co. United States	Deerwood Dr. / Summer Hawk Dr. (40.17087, -105.05720)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 25.5532	Other (At-Grade) Single-Lane	2003	Functional Class: Local ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Seven Lakes Dr. / Madison Ave. (40.42698, -105.05790)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 18.1832	Other (At-Grade) Single-Lane	1995	Functional Class: Local ICD estimated from Google Maps linework.
Longmont, CO Boulder Co. United States	Deerwood Dr. / Stardance Cir. (40.16962, -105.06120)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 22.8158	Other (At-Grade) Single-Lane	2003	Functional Class: Local ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Finch St. / Finch Pl. (40.38717, -105.06164)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 15.4649	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Longmont, CO Boulder Co. United States	Sundance Dr. / Twilight Dr. (40.19529, -105.06175)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2016	Initial construction without splitter islands 1999-2002. Splitter islands added 2016-2017.
Littleton, CO Jefferson Co. United States	S Platte Canyon Rd. / S Kendall Blvd. / W Chatfield Ave. (39.56787, -105.06207)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.3029	Other (At-Grade) Single-Lane	2018	Merging right-turn bypass lanes on west and south legs. Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Edgewater, CO Jefferson Co. United States	W 20th Ave. / Harlan St. (39.74762, -105.06264)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://edgewaterecho.com/2022/01/new-roundabout-at-20th-and-harlan-opening-tuesday-february-1/
Longmont, CO Boulder Co. United States	Deerwood Dr. / Windflower Dr. (40.17093, -105.06300)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 25.5532	Other (At-Grade) Single-Lane	2003	Functional Class: Local ICD estimated from Google Maps linework.
Westminster, CO Adams Co. United States	Promenade Dr. S. / (TBD) (39.89188, -105.06330)	Traffic Calming Circle Existing	Unknown Unknown	2 Approaches 0 Driveways 20.1598	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Longmont, CO Boulder Co. United States	Sundance Dr. / Tyrrhenian Cir. (40.19784, -105.06451)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017).
Longmont, CO Boulder Co. United States	Deerwood Dr. / Bluefield Ave. (40.17346, -105.06460)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 26.4648	Other (At-Grade) Single-Lane	2002	Functional Class: Local ICD estimated from Google Maps linework.
Longmont, CO Boulder Co. United States	Sundance Dr. / Galapagos Pl. (40.20011, -105.06468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017).
Longmont, CO Boulder Co. United States	Sundance Dr. / Tyrrhenian Dr. (40.20202, -105.06468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017).
Erie, CO Boulder Co. United States	Jasper Rd. / Lombard St. (40.05485, -105.06504)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2020-2021).
Lakewood, CO Jefferson Co. United States	Lamar St. / W 14th Ave. (39.73850, -105.06733)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2014	Fire station driveway at end of radius on northwest corner.
Loveland, CO Larimer Co. United States	Monroe Ave. / E 37th St. (40.43012, -105.06809)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.5469	Other (At-Grade) Single-Lane	2019	Opened to traffic October 18, 2019. ICD estimated from Google Maps linework.
Edgewater, CO Jefferson Co. United States	Pierce St. / W 24th Ave. (39.75123, -105.07204)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://edgewaterecho.com/2022/03/new-roundabout-open-at-24th-avenue-and-pierce-street/
Denver, CO Jefferson Co. United States	S Reed St. / S Pierce Way (39.68087, -105.07380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2017-2018).
Berthoud, CO Larimer Co. United States	1st St. / Mountain Ave. / CR 8-CR 56 (40.30540, -105.07433)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.6997	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2008-2011). ICD estimated from Google Maps linework.
Westminster, CO Jefferson Co. United States	Circle Point Rd. (39.89729, -105.07433)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island.
Fort Collins, CO Larimer Co. United States	E Willox Ln. / (parking lots) (40.61064, -105.07447)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.9203	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Erie, CO Boulder Co. United States	Erie Pkwy. / 119th St. (40.03679, -105.07454)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2008	Right-turn-only lane on south leg. Year Completed estimated (2008-2010).
University Park, CO Larimer Co. United States	E Laurel St. / Remington St. (40.57810, -105.07559)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-lane w/ Traversable Central Island	2015	Year Completed estimated (2014-2016).
Westminster, CO Jefferson Co. United States	Reed St. / Promenade Dr. / (parking lot) (39.88726, -105.07719)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.7403	Other (At-Grade) Single-Lane	2004	Wapiti Circle (statue of small elk herd) installed in center island in 2005 -- https://www.waymarking.com/waymarks/WMDRJH_Wapiti_Circle_Westminster_CO . ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	College Ave. / Laporte Ave. (40.58899, -105.07720)	Other Removed	Unknown Unknown	4 Approaches 0 Driveways 26.3021	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.
Denver, CO Jefferson Co. United States	S Upham St. / S Evans Ave. (39.67841, -105.07776)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2016
Loveland, CO Larimer Co. United States	N Garfield Ave. / W 7th St. (40.39864, -105.07792)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 15.4623	Other (At-Grade) Single-lane w/ Traversable Central Island	2016	ICD estimated from Google Maps linework.
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.
Fort Collins, CO Larimer Co. United States	Oval Dr. (Howes St. / Plum St. / Isotope Dr. / East Dr. / Music Dr.) (40.57639, -105.08070)	Other Existing	Unknown Unknown	6 Approaches 0 Driveways 19.0499	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Lakewood, CO Jefferson Co. United States	S. Allison Pkwy. / W. Virginia Ave. (39.70705, -105.08390)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways 33.9964	Other (At-Grade) Single-Lane	2000	Functional Class: Local ICD estimated from Google Maps linework.
Lafayette, CO Boulder Co. United States	Cheyenne Dr. / Saratoga Dr. (39.98066, -105.08535)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Lafayette, CO Boulder Co. United States	Casper Dr. / Saratoga Dr. (39.98211, -105.08539)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Lakewood, CO Jefferson Co. United States	Allison Pkwy. / Civic Center (39.70906, -105.08630)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 31.2390	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
East Side, CO Boulder Co. United States	E 21st Ave. / Alpine St. (40.19588, -105.08752)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2005).
Lafayette, CO Boulder Co. United States	Casper Dr. / Cody Ct. (39.98213, -105.08776)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Longmont, CO Boulder Co. United States	S Martin St. / Bountiful Ave. (40.14740, -105.08831)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2017
Quail, CO Boulder Co. United States	Boston Ave. / Junction Dr. (40.14998, -105.09200)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2017).
Quail, CO Boulder Co. United States	Boston Ave. / (parking) (40.15114, -105.09285)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2006	Right-turn-only lane on north leg. Year Completed estimated (2005-2006). South leg added 2016-2017.
Quail, CO Boulder Co. United States	Boston Ave. (S. Martin St.) / (parking) (40.15350, -105.09292)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Oval shaped. ICD = 170 feet x 130 feet. Northbound left-turn-only lane signed but not marked on approach. Year Completed estimated (2006-2007).
Berthoud, CO Larimer Co. United States	N Berthoud Pkwy. / Grand Market Ave. / Urban Pl. (40.33801, -105.09346)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.6078	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Berthoud, CO Larimer Co. United States	N Berthoud Pkwy. / Woodcock St. (40.34689, -105.09527)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.4098	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Fourth approach stubbed. Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	W Vine Dr. / N Shields St. (40.59630, -105.09579)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.1817	Other (At-Grade) Single-Lane	2015	Streetview shows it under construction in Jul 2015. ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Taft Farms Pl. / Rangeland Ave. (40.44756, -105.09726)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 59.0775	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Redmesa Ave. / Egnar St. (40.44530, -105.10048)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-lane w/ Traversable Central Island	2020
Fort Collins, CO Larimer Co. United States	US 287-SR 14 / US 287 Business (40.62610, -105.10657)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 59.8267	Other (At-Grade) Single-Lane	2019	https://www.coloradoan.com/story/news/2019/05/13/highway-287-construction-project-north-fort-collins-cdot/1189772001/ ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Glen Isle Dr. / Buckingham Cir. (40.43580, -105.10680)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 64.5421	Other (At-Grade) Single-Lane	1997	Functional Class: Local ICD estimated from Google Maps linework.
Lakewood, CO Jefferson Co. United States	W Dartmouth Pl. / W Cornell Pl. / (high school access) (39.66034, -105.10813)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.2611	Other (At-Grade) Single-Lane	2006	https://www.denverpost.com/2006/08/03/on-the-side-84/ . ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Glen Isle Dr. / Glendale Dr. (40.43433, -105.11460)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	1995	No splitter islands on side street.
Fort Collins, CO Larimer Co. United States	W Vine Dr. / N Taft Hill Rd. (40.59652, -105.11480)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7403	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	N Taft Hill Rd. / CR 70 / CR 19 (40.75500, -105.11504)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 37.0933	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Wilson Ave. / Melissa Dr. (40.37793, -105.11596)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 17.2867	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2005). ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Rodin Dr. / Da Vinci Dr. (40.44219, -105.11912)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-lane w/ Traversable Central Island	2020
Loveland, CO Larimer Co. United States	New Castle Dr. / Tabernash Dr. (40.42599, -105.12010)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 24.5477	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Tacanecy Dr. / Marcy Dr. (40.39230, -105.12140)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 29.1082	Other (At-Grade) Single-Lane	1995	ICD estimated from Google Maps linework.
Louisville, CO Boulder Co. United States	E Hecla Dr. / Golden Eagle Way / Rose Ct. (39.99337, -105.12375)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2008).
Louisville, CO Boulder Co. United States	E Hecla Dr. / Snowberry Ln. (39.99167, -105.12415)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2008).
Loveland, CO Larimer Co. United States	Rio Blanco Ave. / Parlin St. (40.41231, -105.12560)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.4621	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Nucla Ave. / Parlin St. / Parlin Ct. (40.41230, -105.12657)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.5527	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Tiger Ave. / Angora Dr. (40.37680, -105.12750)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 28.2050	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Columbine, CO Jefferson Co. United States	S. Simms St. / W. Quincy Ave. (39.63865, -105.12860)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.0301	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	ICD estimated from Google Maps linework.
Columbine, CO Jefferson Co. United States	S. Simms St. / Nelson St. (39.64159, -105.12910)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 38.6271	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Right turn bypass lanes on three legs. ICD estimated from Google Maps linework.
Louisville, CO Boulder Co. United States	Roser Dr. / W Hecla Dr. / Paschal Dr. (39.99411, -105.13074)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2011
Fort Collins, CO Larimer Co. United States	Tierra Ln. / Saddle Ridge Condominiums (40.57545, -105.13140)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 28.1217	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	W 1st St. / Crestone Dr. / CR 21 (40.39286, -105.13140)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.0604	Other (At-Grade) Single-Lane	2020	https://nextdoor.com/agency-post/co/loveland/city-of-loveland/residents-advised-to-plan-alternate-route-for-2-week-closure-at-1st-street-crestone-dr-163995294/
Loveland, CO Larimer Co. United States	Crestone Dr. / Foothills Dr. (40.39717, -105.13149)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	1997	Painted splitter islands; unmarked pedestrian crossings along circulatory roadway.
Broomfield, CO Adams Co. United States	Zang St. / (parking lot #2) (39.92641, -105.13170)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 35.7199	Other (At-Grade) Single-Lane	2001	Serves commercial development. ICD estimated from Google Maps linework.