Roundabouts Database Index

29465 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
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.
Loveland, CO Larimer Co. United States	Monte Vista Dr. East / W. 22nd St. (40.41451, -105.13180)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 24.5519	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Monte Vista Dr. West / W. 22nd St. (40.41449, -105.13290)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 26.3706	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Littleton, CO Jefferson Co. United States	S Union Ct. / S Ida Ave. (39.61175, -105.13316)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.0433	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Broomfield, CO Adams Co. United States	Zang St. / (parking lot #1) (39.92782, -105.13320)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 36.6350	Other (At-Grade) Single-Lane	2001	Serves commercial development. ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Cuerto Ln. / (unknown) (40.57718, -105.13330)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 26.3067	Other (At-Grade) Single-Lane	2005	Functional Class: Local ICD estimated from Google Maps linework.
Lafayette, CO Boulder Co. United States	Roser Dr. / Crater Lake Ln. / Murphy Creek Dr. (39.99879, -105.13387)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2010).
Loveland, CO Larimer Co. United States	Scenic Dr. / Foothills Dr. (40.39674, -105.13522)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	1998	Painted splitter islands; unmarked pedestrian crossings along circulatory roadway.
Loveland, CO Larimer Co. United States	Scenic Dr. / Lookout Dr. (40.39773, -105.13528)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	1998	Painted splitter islands; unmarked pedestrian crossings along circulatory roadway.
Loveland, CO Larimer Co. United States	Rossum Dr. / Mariana Hills Cir. / Mariana Ridge Ct. (40.40225, -105.14134)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2017
Littleton, CO Jefferson Co. United States	S Zang St. / Robert Easton Park (39.60735, -105.14731)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.6044	Other (At-Grade) Single-Lane	2006	3rd leg added around 2012, Built for future 4th Leg. ICD estimated from Google Maps linework.
Lakewood, CO Jefferson Co. United States	Arbutus Dr. / W. 2nd Pl. (39.71649, -105.14750)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.5609	Other (At-Grade) Single-Lane	2001	Functional Class: Collector ICD estimated from Google Maps linework.
Superior, CO Boulder Co. United States	Rock Creek Pkwy. / 88th St. (39.93764, -105.14780)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 47.6187	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Rossum Dr. / Cedar Valley Dr. / St. Andrews Dr. (40.40005, -105.14791)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 20.0096	Other (At-Grade) Single-Lane		No splitter islands. Completed before 1999. 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.
Arvada, CO Jefferson Co. United States	W 87th Pkwy. / Beech St. (39.85567, -105.15060)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.1725	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Cedar Valley Dr. / Deer Meadow Dr. (40.40159, -105.15175)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 27.2852	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1999-2004). ICD estimated from Google Maps linework.
Whisper Creek, CO Jefferson Co. United States	W 87th Dr. / W 87th Terrace (39.85449, -105.15278)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Dakota Ridge, CO Jefferson Co. United States	W Belleview Ave. / Quincy Ave. (39.62415, -105.15506)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 39.6240	Other (At-Grade) Single-Lane	2007	Right-turn bypass lanes on north and east legs.
Applewood, CO Jefferson Co. United States	W. 32nd Ave. / Eldridge St. (39.76180, -105.15660)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 29.3790	Other (At-Grade) Single-Lane	2005	North leg serves golf course parking lot. ICD estimated from Google Maps linework.
Arvada, CO Jefferson Co. United States	Ellis St. / W 89th Loop / W 89th Pl. (39.85736, -105.15782)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.8391	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Whisper Creek, CO Jefferson Co. United States	W 87th Dr. / W 87th Ln. (39.85326, -105.15802)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Arvada, CO Jefferson Co. United States	W 87th Pkwy. / Ellis St. (39.85537, -105.15826)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0895	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Arvada, CO Jefferson Co. United States	W 87th Dr. / W 87th Pkwy. / W 88th Loop (39.85512, -105.16070)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0896	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Superior, CO Boulder Co. United States	Main St. / Gateway Dr. (39.95169, -105.16353)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2017	Elliptical shape.
Superior, CO Boulder Co. United States	McCaslin Blvd. / Main St. (39.95173, -105.16511)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 51.2711	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	West leg stubbed for future. ICD estimated from Google Maps linework.
Superior, CO Boulder Co. United States	McCaslin Blvd. / Coalton Rd. (39.92872, -105.16582)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.1393	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Upper Clover Basin, CO Boulder Co. United States	Clover Basin Dr. / Eagan Way / Eagan Cir. (40.14043, -105.16769)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2014
Lakewood, CO Jefferson Co. United States	S Indiana St. / W Wesley Ave. (39.67204, -105.16890)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.0944	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Arvada, CO Jefferson Co. United States	W 66th Ave. / W 66th Dr. (39.81516, -105.17026)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.6867	Other (At-Grade) Single-Lane	2007	Located 35 feet from adjacent stop-controlled intersection. No buffers between sidewalk and circulatory roadway. ICD estimated from Google Maps linework.
Superior, CO Boulder Co. United States	5th Ave. / Center Dr. (39.95764, -105.17190)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.1262	Other (At-Grade) Single-Lane	1999	Serves Costco and Target as part of 750,000 square foot shopping center. Functional Class: Local ICD estimated from Google Maps linework.
Poplar, MT Roosevelt Co. United States	US 2 / 13th Ave. E (48.11433, -105.17243)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2014-2021).
Lower Clover Basin, CO Boulder Co. United States	Portico Ln. / Portico Pl. (40.13727, -105.17304)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on two legs.
Upper Clover Basin, CO Boulder Co. United States	Mountain Dr. / Boundary Pl. (40.14560, -105.17468)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2015).
Golden, CO Jefferson Co. United States	S Golden Rd. / Moss St. / Research Rd. (39.73392, -105.17606)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.4724	Other (At-Grade) Single-Lane	2012	Yield-controlled right-turn bypass lane on east leg. ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	S Golden Rd. / Quaker St. (39.73535, -105.18435)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.5534	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Canon City, CO Fremont Co. United States	Dozier Ave. / Fremont Dr. (38.44797, -105.19374)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 28.0610	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2019). ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	S. Golden Rd. / Ulysses St. (39.73771, -105.19390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.5734	Other (At-Grade) Single-Lane	1998	Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Main entrance to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	S. Golden Rd. / Utah St. (39.73919, -105.19620)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.8782	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	S. Golden Rd. / Lunnonhaus Dr. (39.74062, -105.19840)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Small two-lane roundabout but with nontraversable central island.
Golden, CO Jefferson Co. United States	Jefferson County Pkwy. / Civic Center (39.72717, -105.19940)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.9051	Other (At-Grade) Single-Lane	2000	Feeds parking lot ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	S. Golden Rd. / Johnson Rd. / 16th St. (39.74207, -105.20060)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.6526	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Functional Class: Arterial ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	S. Golden Rd. / Ford St. / Jackson St. (39.74612, -105.20940)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 52.3432	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Functional Class: Arterial ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	Heritage Rd. / Kimball Ave. (39.72049, -105.20966)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.2339	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	Heritage Rd / Eagle Ridge Dr (39.72578, -105.20987)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.4757	Other (At-Grade) Single-Lane	2015	Oval shape. ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	Heritage Rd. / W 4th Ave. (39.72190, -105.21004)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 12.8607	Other (At-Grade) Single-lane w/ Traversable Central Island	2015	Nearby pedestrian overcrossing in addition to at-grade pedestrian crossing on north leg. ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	Illinois St. / (unknown) (39.73540, -105.21057)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.5747	Other (At-Grade) Single-Lane	2002	Minimal splitter islands. No detectable warnings for the one pedestrian crossing. ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Cherryvale Rd. / Oreg St. (40.01320, -105.21292)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.5272	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	19th St. / Elm St. / (college parking) (39.74672, -105.22134)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.6305	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Arvada, CO Jefferson Co. United States	W 94th Ave. / Hallett St. (39.86650, -105.22434)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2014
Canon City, CO Fremont Co. United States	Main St. / 15th St. (38.44672, -105.22743)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2009	Yield-controlled right-turn bypass lane on west leg. Year Completed estimated (2007-2011).
Canon City, CO Fremont Co. United States	Elm Ave. / S 9th St. (38.42500, -105.23167)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.1986	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Kings Ridge Blvd. / Edison Ave. (40.03098, -105.23950)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 23.7768	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Kings Ridge Blvd. / Franklin Dr. (40.03237, -105.23960)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4342	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	St. Johns St. / New Haven Ct. (Hampton Circle) (40.04742, -105.24740)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 25.5996	Other (At-Grade) Single-Lane	1997	ICD estimated from Google Maps linework.