Roundabouts Database

29483 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
Henderson, NV
Clark Co.
United States 		Dakota Station Ln. / Campfire Point Ln.
(36.02405, -115.06728) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on two legs.
Las Vegas, NV
Clark Co.
United States 		Salmon Dr. / Richard Kisling Dr. / John Chapman Pkwy.
(36.24658, -115.06717) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Las Vegas, NV
Clark Co.
United States 		John Chapman Pkwy. / Stafford Dr.
(36.24912, -115.06465) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Las Vegas, NV
Clark Co.
United States 		John Chapman Pkwy. / Peterson Ln. / (parking)
(36.25033, -115.05693) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Las Vegas, NV
Clark Co.
United States 		(unknown)
(36.24438, -115.05453) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Las Vegas, NV
Clark Co.
United States 		Mack Dr.
(36.24897, -115.05090) 		Other
Existing 		Unknown
Unknown 		8 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Nellis AFB, NV
Clark Co.
United States 		Ellsworth Ave. / Fitzgerald Blvd.
(36.24243, -115.04297) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.8608 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Nellis AFB, NV
Clark Co.
United States 		Ellsworth Ave. / Beale Ave.
(36.24458, -115.04291) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2012-2014).
Henderson, NV
Clark Co.
United States 		Kelso Dunes Ave. / Julia St.
(36.05273, -115.04190) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (1999-2003).
Henderson, NV
Clark Co.
United States 		Kelso Dunes Ave. / Marks St.
(36.05279, -115.03762) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (1999-2003).
Las Vegas, NV
Clark Co.
United States 		E Sahara Ave. / S Hollywood Blvd.
(36.14450, -115.02914) 		Roundabout
Removed 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 This was built as a temporary roundabout in 2016. Some of the scenes in this video are when it was obviously temporary, some look like it is now: https://www.youtube.com/watch?v=IaFwJy3mCXc Removed in 2019. https://www.fox5vegas.com/news/cone-zone-hollywood-boulevard-roundabout-removed/video_cac02d5b-4d52-51df-940b-3b1d929a0d7c.html
Henderson, NV
Clark Co.
United States 		E Galleria Dr. / Pabco Rd.
(36.07125, -114.99372) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021
Henderson, NV
Clark Co.
United States 		E Galleria Dr. / Grand Cadence Dr.
(36.07216, -114.98844) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2023
Henderson, NV
Clark Co.
United States 		E Galleria Dr. / Watson Ridge St.
(36.07101, -114.98142) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2023
Henderson, NV
Clark Co.
United States 		Cadence Vista Dr. / E Sunset Rd.
(36.06040, -114.97784) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2020
Henderson, NV
Clark Co.
United States 		Greenway Rd. / E Mission Dr.
(35.99804, -114.97664) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022
Henderson, NV
Clark Co.
United States 		E Galleria Dr. / McCormick Rd. / Cadence Vista Dr.
(36.07102, -114.97550) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2023
Henderson, NV
Clark Co.
United States 		Cadence Crest Ave. / N Water St.
(36.06529, -114.96793) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2014 Painted splitter islands on west, north, and east legs. Year Completed estimated (2014-2015).
Henderson, NV
Clark Co.
United States 		E Galleria Dr. / Olivia Pkwy. / N Water St.
(36.07115, -114.96779) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021
Henderson, NV
Clark Co.
United States 		S Racetrack Rd. / Newport Dr.
(36.02721, -114.94982) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 Right-turn-only lanes on east and west legs. Year Completed estimated (2016-2017).
San Luis, AZ
Yuma Co.
United States 		US 95 (N Main St.) / D St.
(32.49217, -114.78274) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.2507 		Other (At-Grade)
Single-Lane 		2015 Two-lane right-turn bypass lane on east leg. ICD estimated from Google Maps linework.
San Luis, AZ
Yuma Co.
United States 		Main St. / Urtuzuastegui St.
(32.48698, -114.78233) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
15.1115 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2015 ICD estimated from Google Maps linework.
Sundre, AB
Alberta
Canada 		Hwy 27 (Main Ave. W) / 4th St.
(51.79629, -114.64517) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island 		2017 Temporary, modular installation.
Sundre, AB
Alberta
Canada 		Hwy 27 (Main Ave. W) / 3rd St.
(51.79663, -114.64360) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
21.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2017 Temporary, modular installation.
Sundre, AB
Alberta
Canada 		Hwy 27 (Main Ave. W) / 2nd St.
(51.79706, -114.64184) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2017 Temporary, modular installation.
Yuma, AZ
Yuma Co.
United States 		Catalina Dr. / E Palo Verde St.
(32.67337, -114.62030) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://www.yumaaz.gov/Home/Components/News/News/250/308?fbclid=IwAR01d9EzVjjJKq2s3Qip7yU4fwm3Ja95UdX87IB3d2paHkr-WFzHn4OF9N0&arch=1&npage=8
Yuma, AZ
Yuma Co.
United States 		Harold C Giss Pkwy. / S Madison Ave.
(32.72103, -114.61952) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
161.7734 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 ICD estimated from Google Maps linework.
Yuma, AZ
Yuma Co.
United States 		S Main St. / E 3rd St.
(32.72258, -114.61788) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
15.0718 		Other (At-Grade)
Single-Lane 		1999 Painted splitter islands on Main St. Year Completed estimated (1996-2002). ICD estimated from Google Maps linework.
Yuma, AZ
Yuma Co.
United States 		Harold C Giss Pkwy (E 8th St.) / I-8 WB ramps
(32.71933, -114.61071) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
63.3038 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2017 https://content.govdelivery.com/accounts/AZDOT/bulletins/18ecaba ICD estimated from Google Maps linework.
Yuma, AZ
Yuma Co.
United States 		S Araby Rd. / I-8 WB Ramps
(32.67901, -114.52144) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
66.3483 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Yuma, AZ
Yuma Co.
United States 		S Araby Rd. / I-8 EB Ramps / Gila Ridge Rd.
(32.67687, -114.52142) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
68.3605 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
Cibola, AZ
La Paz Co.
United States 		Juneau Ave. / I-10 EB Ramps / Ehrenburg-Cibola Rd.
(33.60173, -114.51895) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
55.7067 		Freeway Ramps (Grade-Separated)
Single-Lane 		2015 Replaced two stop-controlled intersections. ICD estimated from Google Maps linework.
Yuma, AZ
Yuma Co.
United States 		S Avenue 8 E / (unknown)
(32.68749, -114.49700) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2008
Cochrane, AB
Division 6
Canada 		Hwy 1A / Hwy 22
(51.20118, -114.48486) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2023 Temporary roundabout. https://cochranenow.com/articles/temporary-roundabout-to-support-1a22-traffic-during-construction
Topock, AZ
Mohave Co.
United States 		Mohave Valley Hwy. / Golden Shores Pkwy. / Powell Lake Rd.
(34.77924, -114.48322) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.0675 		Other (At-Grade)
Single-Lane 		2017 https://content.govdelivery.com/accounts/AZDOT/bulletins/1863d85 ICD estimated from Google Maps linework.
(unincorporated), AB
Rocky View
Canada 		Hwy 8 / Hwy 22
(51.02355, -114.46660) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
61.6012 		Other (At-Grade)
Single-Lane 		2008 Rural. Asphalt surface. http://www.infratrans.gov.ab.ca/ Previously controlled by one-way stop Functional Class: Provincial Hwy ICD estimated from Google Maps linework.
Twin Falls, ID
Twin Falls Co.
United States 		Fillmore St. / Nielsen Point Pl.
(42.59707, -114.45643) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
43.0800 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Kalispell, MT
Flathead Co.
United States 		US 2 / Springcreek Rd. / Dern Rd.
(48.19696, -114.37378) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2021 https://www.mdt.mt.gov/pubinvolve/dernspring/
Kalispell, MT
Flathead Co.
United States 		Stillwater Rd. / West Reserve Dr.
(48.24038, -114.35220) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.3853 		Other (At-Grade)
Single-Lane 		2007 First roundabout by Montana DOT. ICD estimated from Google Maps linework.
Kalispell, MT
Flathead Co.
United States 		US 93 Alt / Foys Lake Rd.
(48.18677, -114.33352) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.9422 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Kalispell, MT
Flathead Co.
United States 		(shopping center entrance) / (parking lot)
(48.23521, -114.33170) 		Other
Existing 		Uncontrolled
Unknown 		0 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2005
Kalispell, MT
Flathead Co.
United States 		Hutton Ranch Rd. / (unknown)
(48.23358, -114.32399) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.1635 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Kalispell, MT
Flathead Co.
United States 		US 93 Alt / Airport Rd.
(48.16325, -114.30946) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.9843 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Kalispell, MT
Flathead Co.
United States 		US 93 Alt / (unknown)
(48.15526, -114.29332) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.9760 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 Two approaches stubbed for future use. ICD estimated from Google Maps linework.
Calgary, AB
Division 6
Canada 		Nose Hill Dr. NW / Haskayne Dr. NW / Rosemont Blvd. NW
(51.10814, -114.26887) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021 Year Completed estimated (2020-2021).
Kalispell, MT
Flathead Co.
United States 		Glacier Airport Rd. / (unknown)
(48.30613, -114.24914) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
30.1875 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Valley Ridge Blvd. NW / Hwy 1 (Trans Canada Hwy) WB Offramp
(51.08997, -114.24906) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.2574 		Freeway Ramps (Grade-Separated)
Single-Lane 		2006 Year Completed estimated (2005-2007). ICD estimated from Google Maps linework.
Calgary, AB
Division 6
Canada 		Valley Ridge Blvd. NW / Trans Canada Hwy EB Ramps
(51.08743, -114.24755) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
67.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2022
Calgary, AB
Division 6
Canada 		Lower Springbank Rd. (Township Rd. 241A) / Township Rd. 242
(51.03721, -114.24617) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.0000 		Other (At-Grade)
Single-Lane 		2021
Calgary, AB
Division 6
Canada 		West Valley Rd. SW / 101 St. SW / 1 Ave. SW / Trans-Canada Hwy EB On-Ramp
(51.08514, -114.23423) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2022
Calgary, AB
Alberta
Canada 		Bowfort Rd. NW / Greenbriar Blvd. NW
(51.08589, -114.21227) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.0143 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Piita Rise SW (Canada Olympic Dr SW) / Na'a Dr SW
(51.08132, -114.21012) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
44.2675 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Bowfort Rd. NW / Bowfort Rd. NW
(51.08458, -114.20870) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
33.7610 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Calgary, AB
Division 6
Canada 		Crowfoot Cir. NW / Crowfoot Parade / (transit center)
(51.12465, -114.20779) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.0000 		Other (At-Grade)
Single-Lane 		2008 Oval shaped. ICD = 53 m x 42 m. Year Completed estimated (2008-2012).
Calgary, AB
Alberta
Canada 		Na'a Dr SW / Bowfort Rd. NW
(51.08097, -114.20761) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
47.2691 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Calgary, AB
Calgary Region
Canada 		Springbank Blvd. / Springbank Dr.
(51.01912, -114.20230) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.0000 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2005).
Calgary, AB
Calgary Region
Canada 		Discovery Ridge Blvd. / Discovery Dr.
(51.01179, -114.20000) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.0855 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 Date estimated. ICD estimated from Google Maps linework.
Calgary, AB
Calgary Region
Canada 		Springbank Blvd. / Spring Mews
(51.01849, -114.19630) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.0000 		Other (At-Grade)
Single-Lane 		1998
Calgary, AB
Division 6
Canada 		Na'a Dr. SW / Na'a Plaza SW
(51.07872, -114.19234) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
58.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2020
Calgary, AB
Division 6
Canada 		Springborough Blvd. SW / Springborough Gate SW
(51.03379, -114.19200) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.0000 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2005).
Calgary, AB
Division 6
Canada 		34 Ave. NW / Sarcee Trl. NW
(51.08368, -114.18893) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.0000 		Other (At-Grade)
Single-Lane 		2022
Calgary, AB
Division 6
Canada 		Sarcee Trl. SW / Na'a Dr. SW / Trans-Canada Hwy EB Ramps
(51.07800, -114.18891) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
55.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2017
Tsuu T'ina Nation 145, AB
Division 6
Canada 		Westhills Way SW / Tsuut'ina Pkwy. / Glenmore Trl. (Hwy 8-Hwy 201) EB Ramps
(51.00743, -114.17479) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020
Calgary, AB
Division 6
Canada 		Westhills Way SW / Glenmore Trl. SW (Hwy 8-Hwy 201) WB Ramps
(51.00996, -114.17395) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 Year Completed estimated (2020-2021).
Calgary, AB
Alberta
Canada 		Nolan Hill Blvd. NW / Nolan Hill Dr. NW / Nolanhurst Way NW
(51.17875, -114.17040) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.7025 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Tsuu T'ina Nation 145, AB
Division 6
Canada 		Tsuut'ina Pkwy / Tsuut'ina Trl. SW SB Ramps
(51.00130, -114.16953) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
55.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2021 Year Completed estimated (2020-2021).
Tsuu T'ina Nation 145, AB
Division 6
Canada 		Tsuut'ina Pkwy / Tsuut'ina Trl. SW NB Ramps
(51.00090, -114.16348) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 Year Completed estimated (2020-2021).
Calgary, AB
Alberta
Canada 		Nolan Hill Dr. NW / Nolan Hill Blvd. NW
(51.17149, -114.16061) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
65.1486 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Sage Valley Dr. NW / Sage Berry Way NW
(51.18022, -114.15696) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.6964 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2008-2011). ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Sage Valley Dr. NW / Sage Valley Rd. NW
(51.17981, -114.15417) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.7019 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2008-2011). ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Sage Hill Blvd. NW / (unknown)
(51.16999, -114.14965) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.6804 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 Fourth leg stubbed. ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Kincora Gate NW / Kincora Glen Rd. NW
(51.16669, -114.14711) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.9434 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Sage Hill Blvd. NW / Sage Hill Passage NW
(51.17053, -114.14708) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.4333 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Sage Hill Blvd. NW / Sage Hill Gate NW
(51.17112, -114.14500) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1816 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Sage Hill Blvd. NW / (unknown)
(51.17362, -114.14495) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.4256 		Other (At-Grade)
Single-Lane 		2013 Third leg stubbed. ICD estimated from Google Maps linework.
Tsuu T'ina Nation 145, AB
Division 6
Canada 		Buffalo Run Blvd. / 130 Ave. SW / Tsuut'ina Trl. SB Entrance Ramp
(50.93654, -114.14333) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
50.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2020 Raindrop shaped. Merging right-turn bypass lane on west leg. Year Completed estimated (2019-2020).
(unincorporated), AB
Alberta
Canada 		37 St. SW / Strathcona St. SW
(51.00287, -114.14162) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
37.5784 		Other (At-Grade)
Unknown 		2018 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		37 St SW / Hwy 8 WB Ramps
(51.00991, -114.14132) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
63.1222 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Year Completed estimated (2008-2011). ICD estimated from Google Maps linework.
(unincorporated), AB
Alberta
Canada 		37 St. SW / Grey Eagle Dr. / Hwy 8 EB Ramps
(51.00767, -114.14109) 		Roundabout
Removed 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
93.9364 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Year Completed estimated (2008-2011). Removed in 2018 as part of realignment project. http://www.swcrrproject.com/wp-content/uploads/2016/11/SWCRR_37Street_Glenmore_Jun5.pdf ICD estimated from Google Maps linework.
Calgary, AB
Division 6
Canada 		130 Ave. SW / Tsuut'ina Trl. NB Exit Ramp
(50.93611, -114.13893) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2020 Raindrop shaped.
Calgary, AB
Division 6
Canada 		Uxbridge Dr. NW / Ulster Rd. NW
(51.06991, -114.12950) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.0000 		Other (At-Grade)
Single-Lane 		2017
Calgary, AB
Division 6
Canada 		Peacekeepers Way SW / Don Ethell Blvd. SW
(51.00475, -114.12697) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.0000 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2005).
Sylvan Lake, AB
Division 8
Canada 		Springfield Blvd. / (unknown)
(52.29534, -114.12423) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2017
Calgary, AB
Alberta
Canada 		Evanston Dr. NW / Evansborough Gate NW
(51.17974, -114.12161) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.9376 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Evanston Dr. NW / Evansridge Dr. NW / Evansridge Link NW
(51.17364, -114.12159) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.6960 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Sylvan Lake, AB
Division 8
Canada 		Hwy 11 (David Thompson Hwy.) / 60 St. / Range Road 15
(52.28193, -114.12092) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2023 Painted spirals in circulatory roadway. Year Completed estimated (2022-2023).
Calgary, AB
Alberta
Canada 		Richard Rd. SW / Crowchild Trl. SW (SB Ramps)
(51.01487, -114.11933) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
45.8338 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Flanders Ave. SW / Richard Rd. SW
(51.01632, -114.11900) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.8270 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 Fourth approach stubbed. ICD estimated from Google Maps linework.
Calgary, AB
Division 6
Canada 		Woodpark Blvd. SW / 24 St. SW
(50.93578, -114.11793) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2019-2020).
Calgary, AB
Alberta
Canada 		Flanders Ave. SW / Crowchild Trl. SW (NB Ramps)
(51.01611, -114.11759) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016
Mesquite, NV
Clark Co.
United States 		Falcon Ridge Pkwy. / I-15 SB Ramps
(36.80353, -114.10831) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
51.6398 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2012 Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Mesquite, NV
Clark Co.
United States 		Falcon Ridge Pkwy. / I-15 NB Ramps / W Mesquite Blvd.
(36.80253, -114.10666) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
61.2035 		Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		2012 Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Scarboro Ave. SW / Sudbury Ave. SW / Shelbourne St. SW
(51.04168, -114.10631) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
20.2754 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2008-2011). ICD estimated from Google Maps linework.
Sylvan Lake, AB
Division 8
Canada 		Hwy 11 (David Thompson Hwy.) / 50 St. / Hwy 781
(52.28232, -114.09704) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2023 Painted spiral in circulatory roadway. Previous control was stop control on south leg and yield control on north leg. Year Completed estimated (2022-2023).
Olds, AB
Division 6
Canada 		Hwy 2A / 68 St.
(51.77414, -114.09612) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.0000 		Other (At-Grade)
Single-Lane 		2022 East leg stubbed. Year Completed estimated (2021-2022).
Sylvan Lake, AB
Division 8
Canada 		Crestview Blvd. / (unknown)
(52.29241, -114.09186) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.0000 		Other (At-Grade)
Single-Lane 		2022 No splitter islands.
Sylvan Lake, AB
Division 8
Canada 		Crestview Blvd. / Cameron Close
(52.29481, -114.09185) 		Other
Existing 		Unknown
None 		3 Approaches
0 Driveways
24.0000 		Other (At-Grade)
Single-Lane 		2014 No splitter islands.
Calgary, AB
Alberta
Canada 		Frontenac Ave. SW / Carleton St. SW
(51.02969, -114.08899) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.0771 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Silverado Blvd. SW / Silverado Way SW
(50.88152, -114.08683) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.1978 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Frontenac Ave. SW / 10th St. SW
(51.02939, -114.08641) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
25.5387 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.