Roundabouts Database

29820 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
Spruce Grove, AB
Division 11
Canada 		Calahoo Rd. / Avonlea Way / Longview Dr.
(53.56425, -113.91005) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
28.0000 		Other (At-Grade)
Single-Lane 		2006 Painted splitter islands.
Calgary, AB
Alberta
Canada 		Masters Blvd. SE / Masters Ave. SE
(50.89532, -113.91853) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.1456 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Masters Ave. SE / (unknown)
(50.89765, -113.92023) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.4169 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Masters Ave. SE / (unknown)
(50.89293, -113.92034) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.6406 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Spruce Grove, AB
Alberta
Canada 		McLeod Ave. / Nelson Dr.
(53.54319, -113.92259) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.0651 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Marine Dr. SE / Masters Ave. SE
(50.89841, -113.92528) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.4163 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Mahogany Blvd. SE / Mahogany Way SE / Marine Dr. SE
(50.90202, -113.92532) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.1537 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Calgary, AB
Division 6
Canada 		Marine Dr. SE / Masters Ave. SE
(50.89226, -113.92533) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2017-2020).
Calgary, AB
Alberta
Canada 		Mahogany Gardens SE / Marine Dr. SE
(50.89604, -113.92917) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.9512 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
Calgary, AB
Division 6
Canada 		Marine Dr. SE / Mahogany Rd. SE
(50.89464, -113.92917) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
43.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2017-2020).
Calgary, AB
Alberta
Canada 		Saddlebrook Dr. NE / Saddlemont Blvd. NE
(51.12974, -113.92945) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.2231 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		80 Ave. NE / Saddlebrook Dr. NE / Taradale Dr. NE
(51.12520, -113.92996) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.2305 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2005-2007). ICD estimated from Google Maps linework.
Okotoks, AB
Alberta
Canada 		Milligan Dr. / Ranchers Blvd. / Drake Landing Blvd.
(50.72860, -113.93111) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.0202 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Mahogany Blvd. SE / Mahogany Gate SE
(50.89952, -113.93719) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.9607 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2008-2011). ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Mahogany Blvd. SE / Mahogany Dr. SE
(50.89100, -113.93733) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.6420 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Calgary, AB
Division 6
Canada 		128 Ave. NE / Cornerstone Blvd. NE
(51.16542, -113.93815) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
55.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2017 North and east legs stubbed.
Calgary, AB
Alberta
Canada 		Mahogany Plaza SE / Mahogany Row SE
(50.89852, -113.94034) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.8575 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Mahogany Ave. SE / Mahogany St. SE / Mahogany Plaza SE
(50.89673, -113.94037) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.6118 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Calgary, AB
Division 6
Canada 		128th Ave. NE / Cornerstone St. NE
(51.16538, -113.94244) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
55.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2016 North leg stubbed.
Pincher Creek, AB
Alberta
Canada 		Hwy 6 / Hwy 507 / Hewetson Ave.
(49.49569, -113.94799) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.4405 		Other (At-Grade)
Single-Lane 		2011 https://canada.constructconnect.com/joc/news/others/2011/06/pincher-creek-alberta-installs-18-million-roundabout-joc044949w ICD estimated from Google Maps linework.
Calgary, AB
Division 6
Canada 		Redstone Dr. NE / Redstone Blvd. NE
(51.16838, -113.95107) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.0000 		Other (At-Grade)
Single-Lane 		2015
Calgary, AB
Division 6
Canada 		Skyview Ranch Blvd. NE / Skyview Ranch Rd. NE / Skyview Ranch Manor NE
(51.16287, -113.95109) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2011
Calgary, AB
Division 6
Canada 		Redstone Ave. NE / Redstone Blvd. NE
(51.17294, -113.95110) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2018
Spruce Grove, AB
Division 11
Canada 		Grove Dr. W / Copperhaven Dr. / Harvest Ridge Dr.
(53.55575, -113.95196) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.0000 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2016-2020).
Calgary, AB
Division 6
Canada 		Savanna Blvd. NE / Savanna St. NE
(51.13504, -113.95242) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.0000 		Other (At-Grade)
Single-Lane 		2016
Calgary, AB
Division 6
Canada 		Seton Way SE / 212 Ave. SE / Union Ave. / Seton Cir. SE
(50.86832, -113.95356) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2019 Year Completed estimated (2017-2020).
Calgary, AB
Division 6
Canada 		Seton Way SE / Seton Ave. SE
(50.87133, -113.95589) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2019 Year Completed estimated (2017-2020).
Spruce Grove, AB
Division 11
Canada 		Grove Dr. W / (unknown)
(53.55467, -113.95664) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.0000 		Other (At-Grade)
Single-Lane 		2020 Year Completed estimated (2016-2020).
Calgary, AB
Division 6
Canada 		Cityscape Dr. NE / Cityscape Gate NE
(51.15240, -113.95842) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.0000 		Other (At-Grade)
Single-Lane 		2013
Calgary, AB
Division 6
Canada 		Savanna Blvd. NE / 52 St. NE
(51.13495, -113.95843) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.0000 		Other (At-Grade)
Single-Lane 		2017
Calgary, AB
Division 6
Canada 		Skyview Ranch Dr. NE / 52 St. NE
(51.15802, -113.95843) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2017
Calgary, AB
Division 6
Canada 		212 Ave. SE / Deerfoot Trl. NB Exit Ramp
(50.86526, -113.96014) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
70.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2019 Raindrop shaped. Year Completed estimated (2017-2020).
Calgary, AB
Division 6
Canada 		Redstone St. NE / Redstone Plaza NE
(51.17097, -113.96197) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2011
Calgary, AB
Division 6
Canada 		Redstone Dr. NE / Redstone St. NE
(51.16838, -113.96205) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2012
Calgary, AB
Calgary Region
Canada 		McKenzie Towne Blvd. / McKenzie Towne Gt. / Prestwick Blvd. / Inverness Gt.
(50.91650, -113.96430) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
1 Driveways
80.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 Fire station has direct access to circulatory roadway. Year Completed estimated (before 2002).
Calgary, AB
Division 6
Canada 		212 Ave. SE / Cranston Gate SE / Deerfoot Trl. (Hwy 2) SB Ramps
(50.86657, -113.96433) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
72.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2019 Raindrop shaped. Year Completed estimated (2017-2020).
Calgary, AB
Division 6
Canada 		46 St. NE / Savanna Blvd. NE
(51.13503, -113.96582) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.0000 		Other (At-Grade)
Single-Lane 		2017
Calgary, AB
Division 6
Canada 		Cityscape Blvd. NE / Cityscape Dr. NE
(51.14719, -113.96633) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.0000 		Other (At-Grade)
Single-Lane 		2014 North and west legs 2014. East leg 2016. South leg 2018.
Calgary, AB
Alberta
Canada 		Cranston Gate SE / Cranford Way SE / Cranston Ave.
(50.86847, -113.96984) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
67.0832 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Airdrie, AB
Alberta
Canada 		Ravenswood View SE / Ravenskirk Rd. SE / Ravensmoor Gate SE
(51.26757, -113.97337) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.8800 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2008-2011). ICD estimated from Google Maps linework.
Calgary, AB
Division 6
Canada 		104 Ave. NE / 42 St. NE
(51.14721, -113.97406) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
55.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2015
Lower Rattlesnake, MT
Missoula Co.
United States 		N Van Buren St. / I-90 WB Ramps
(46.87078, -113.98082) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
36.7424 		Freeway Ramps (Grade-Separated)
Unknown 		2018 Completed summer 2018. ICD estimated from Google Maps linework.
Okotoks, AB
Division 6
Canada 		D'Arcy Blvd. / Sandstone Dr. / Larkspur Bend
(50.73559, -113.98112) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2017-2021).
Missoula, MT
Missoula Co.
United States 		N Van Buren St. / I-90 EB Ramps
(46.87015, -113.98167) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.2933 		Freeway Ramps (Grade-Separated)
Single-Lane 		2018 Completed summer 2018. Raindrop-shaped central island. ICD estimated from Google Maps linework.
Okotoks, AB
Division 6
Canada 		Mountainview Dr. / Mountainview Gate
(50.72974, -113.98983) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2012).
Missoula, MT
Missoula Co.
United States 		N Orange St. / N 5th St. / I-90 EB Ramps
(46.87980, -113.99314) 		Roundabout
Existing 		All-Way Yield
Active Pedestrian Warning (flashing yellow) 		3 Approaches
0 Driveways
45.7162 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 Completed June 2017. ICD estimated from Google Maps linework.
Missoula, MT
Missoula Co.
United States 		Higgins Ave. / Beckwith Ave.
(46.85703, -113.99740) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.7680 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		24 St. SE / Ogden Rd. SE / 86 Ave. SE / 85 Ave. SE
(50.97635, -113.99957) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
68.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 Year Completed estimated (2013-2014) with south and east legs completed and two legs stubbed. Other two legs added 2016.
Calgary, AB
Division 6
Canada 		McCall Way NE / Barlow Trl. NE
(51.10221, -114.00061) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2010 Year Completed estimated (2008-2011).
Calgary, AB
Division 6
Canada 		194 Ave. SE / Wolf Willow Blvd. SE
(50.87758, -114.00378) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2019 Year Completed estimated (2017-2020).
Airdrie, AB
Alberta
Canada 		Main St. S / 40 Ave. SW
(51.25242, -114.00493) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
49.3363 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Missoula, MT
Missoula Co.
United States 		Scott St. / Toole Ave.
(46.87803, -114.00632) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.9211 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2014 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Legacy Cir. SE / Legacy View SE
(50.86086, -114.00921) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.9085 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Airdrie, AB
Alberta
Canada 		Reynolds Gate SW / Hillcrest Gate SW
(51.25430, -114.01318) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8794 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2020). ICD estimated from Google Maps linework.
Calgary, AB
Division 6
Canada 		Chaparral Valley Dr. SE / Chaparral Valley Gate SE / Chaparral Valley Grove SE
(50.88197, -114.01471) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.0000 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2008).
Calgary, AB
Division 6
Canada 		Chaparral Valley Square SE / Chaparral Valley Dr. SE
(50.88594, -114.01532) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.0000 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2008-2011).
Airdrie, AB
Alberta
Canada 		Hillcrest Dr. SW / Hillcrest Gate SW
(51.25391, -114.01550) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.8797 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		210 Ave. SE / Legacy Gate SE
(50.86307, -114.01733) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.9377 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Legacy Gate SE / Legacy Main St. SE / Legacy Cir. SE
(50.86087, -114.01734) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.4472 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Calgary, AB
Division 6
Canada 		Quarry Way SE / Quarry Gate SE
(50.96118, -114.01967) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.0000 		Other (At-Grade)
Single-Lane 		2011
Calgary, AB
Alberta
Canada 		210 Ave. SE / Legacy Blvd. SE / Walgrove Dr. SE
(50.86308, -114.02161) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.7682 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Legacy Main St. SE / Legacy Blvd. SE
(50.86087, -114.02162) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.2011 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Walgrove Dr. SE / Walden Dr. SE
(50.86556, -114.02248) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.6896 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Balzac, AB
Division 6
Canada 		Hwy 566 / Range Rd. 11 (15 St. NE)
(51.21263, -114.02476) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021 https://discoverairdrie.com/articles/balzac-traffic-circle-inches-closer-to-completion
Calgary, AB
Division 6
Canada 		Legacy Village Way SE / Legacy Village Rd. SE
(50.85969, -114.02478) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.0000 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2016).
Calgary, AB
Alberta
Canada 		210 Ave. SE / Legacy Village Link SE
(50.86406, -114.02573) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.7366 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
Missoula, MT
Missoula Co.
United States 		Southgate Mall Access Rd. / Mary Ave.
(46.84412, -114.02685) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2016-2019).
Calgary, AB
Alberta
Canada 		Walden Dr. SE / Walden Common SE
(50.86741, -114.02729) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.9493 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Missoula, MT
Missoula Co.
United States 		Paxson St/Southgate Mall Access
(46.84396, -114.02899) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2018 Year Completed estimated (2016-2019).
Calgary, AB
Alberta
Canada 		Walden Dr. SE / Walden Blvd. SE / Walden Parade SE
(50.86817, -114.03018) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.6725 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Missoula, MT
Missoula Co.
United States 		Mary Ave. / Southgate Mall Access Rd.
(46.84420, -114.03158) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2016-2019).
Airdrie, AB
Alberta
Canada 		40 Ave. SW / Windsong Blvd. SW
(51.25595, -114.03230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.3426 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Airdrie, AB
Division 6
Canada 		Williamstown Blvd. NW / Reunion Blvd. NW
(51.30299, -114.03377) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.0000 		Other (At-Grade)
Single-Lane 		2012
Calgary, AB
Alberta
Canada 		Walden Gate SE / Walden Dr. SE
(50.87454, -114.03496) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.8849 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Walden Dr. SE / Walden Way SE
(50.86982, -114.03733) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.3803 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Highfield Rd. SE / 26 Ave. SE / Dartmouth Rd. SE
(51.03040, -114.04103) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling all approaches) 		4 Approaches
0 Driveways
55.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 Canadian Pacific Railway tracks through center of roundabout. Gates on circulatory roadway and on east and west approaches. http://www.minnowlake.ca/Roundabouts_in_Canada_2013%20(1).pdf Previous control: rail crossing signal (no gates); Yield on one approach.
Florence, MT
Ravalli Co.
United States 		MT 203 (Eastside Hwy) / Eight Mile Creek Rd. (Lower Woodchuck Rd.)
(46.63235, -114.04188) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.5456 		Other (At-Grade)
Single-Lane 		2014 Through bypass lane on northwest leg; add-type right-turn bypass lane on northeast leg. ICD estimated from Google Maps linework.
Missoula, MT
Missoula Co.
United States 		Union Pacific St. / O'Leary St. / Clark Fork Ln.
(46.88880, -114.04560) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2003
Missoula, MT
Missoula Co.
United States 		England Blvd. / Connery Way
(46.89409, -114.04588) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.4619 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Missoula, MT
Missoula Co.
United States 		Miller Creek Rd. / Lower Miller Creek Rd. / Upper Miller Creek Rd.
(46.82569, -114.05048) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
39.2248 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Missoula, MT
Missoula Co.
United States 		Mullan Rd. / Mary Jane Blvd.
(46.88725, -114.05372) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2023 Year Completed estimated (2022-2023).
Missoula, MT
Missoula Co.
United States 		South Ave. W / 33rd Ave. / Guardsman Ln.
(46.84863, -114.06068) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2016
Mesquite, NV
Clark Co.
United States 		Oasis Blvd. / Ivy Lee Crest
(36.82714, -114.06800) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
64.0518 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 ICD estimated from Google Maps linework.
Missoula, MT
Missoula Co.
United States 		Mullan Rd. / George Elmer Dr.
(46.88749, -114.06835) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2023
Sylvan Lake, AB
Alberta
Canada 		Hwy 11A E / Hwy 20
(52.31931, -114.06992) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
40.1525 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Crescent Blvd. SW / 45th Ave. SW / 4th St. SW
(51.01302, -114.07132) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
25.5478 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2007). ICD estimated from Google Maps linework.
Missoula, MT
Missoula Co.
United States 		Airway Blvd. / Expressway
(46.91994, -114.07140) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.7875 		Other (At-Grade)
Single-Lane 		2011 Four-lane approach roadways that drop right lane into right-turn bypass lanes on all approaches. Functional Class: Arterial ICD estimated from Google Maps linework.
Sylvan Lake, AB
Division 8
Canada 		Hwy 20 / Erickson Rd.
(52.31537, -114.07144) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.0000 		Other (At-Grade)
Single-Lane 		2019 https://www.sylvanlakenews.com/news/sylvan-lake-council-reallocates-over-1-million-for-intersection-upgrades/
Calgary, AB
Alberta
Canada 		Crescent Blvd. SW / 42nd Ave. SW
(51.01383, -114.07227) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
32.3098 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2007) ICD estimated from Google Maps linework.
Red Deer County, AB
Division 8
Canada 		Hwy 20 / Memorial Trl. / Township Road 384
(52.29009, -114.07341) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
39.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2024 Completed in October 2024. RRFB is located on the north leg only. Currently, Memorial Trail is only one lane in each direction, but can be upgraded to two lanes in the future.
Mesquite, NV
Clark Co.
United States 		Oasis Blvd. / Canyon Crest Blvd.
(36.83104, -114.07380) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
68.8283 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 ICD estimated from Google Maps linework.
Bentley, AB
Division 8
Canada 		Hwy 12 / Hwy 20
(52.46439, -114.07495) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
55.0000 		Other (At-Grade)
Single-Lane 		2022 https://centralalbertaonline.com/articles/roundabout-construction-begins-on-highway-12-and-highway-20
Calgary, AB
Alberta
Canada 		Silverado Dr. SW / Silverado Way SW
(50.88153, -114.07758) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.4019 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Royal Ave. SW / Hope St. SW
(51.03518, -114.07778) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
16.0000 		Other (At-Grade)
Single-Lane
Calgary, AB
Alberta
Canada 		Silverado Blvd. SW / Silverado Dr. SW
(50.88661, -114.07803) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.6587 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2007). ICD estimated from Google Maps linework.
Calgary, AB
Alberta
Canada 		Royal Ave. SW / 7 St. SW
(51.03518, -114.07938) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.0000 		Other (At-Grade)
Single-Lane
Calgary, AB
Calgary Region
Canada 		8th St. / Frontenac Ave.
(51.02937, -114.08350) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.5433 		Other (At-Grade)
Single-Lane 		2005 Driveway serving house entering roundabout. 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.
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 / 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.