|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
Cedar Rapids,
IA Linn Co. United States |
Wilson Ave. SW / Bowling St. SW (41.95585, -91.65756) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2024 | https://www.reddit.com/r/cedarrapids/comments/1fodquc/wilson_avenue_and_bowling_street_roundabout/ |
|
Gustine,
CA Merced Co. United States |
SR 33-SR 140 / 4th St. (37.25362, -120.99742) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2025 | https://www.westsideconnect.com/news/community-news/gustines-first-roundabout-completed-a-new-chapter-for-the-community/ |
|
Harrisburg,
NC Cabarrus Co. United States |
Stallings Rd. / Lotus Dr. (35.31571, -80.64023) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2022 | Yield-controlled right-turn bypass lane on north leg. Add-lane right-turn bypass lane on east leg. https://www.facebook.com/story.php/?story_fbid=434214805375646&id=100063613898455&_rdr |
|
Harrisburg,
NC Cabarrus Co. United States |
Stallings Rd. / Raging Ridge Rd. (35.31390, -80.63383) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2022 | |
|
Concord,
NC Cabarrus Co. United States |
Drake MIll Ln. / Holden Ave. (35.31413, -80.58479) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 67.0560 |
Other (At-Grade) Single-Lane |
2020 | Original circle built 2006-2008. Splitter islands added 2019-2021. |
|
Albany,
GA Dougherty Co. United States |
N Westover Blvd. / Capstone Connector (31.62104, -84.21878) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://www.facebook.com/GDOTSW/videos/here-you-go-albanydougherty-colee-co-the-westover-blvd-roundabout-in-action-were/971035348343443/ |
|
MIdland,
TX Midland Co. United States |
N Garfield St. / W Cuthbert Ave. (32.00234, -102.10148) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 57.9120 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | Elliptical shaped. ICD = 190 ft x 150 ft. https://www.instagram.com/reel/DKK8XzFS0uo/ |
|
Troy,
NY Rensselaer Co. United States |
Frear Park Rd. / 15th St. (42.74683, -73.67271) |
Other Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands on south leg. | |
|
Swedesboro,
NJ Gloucester Co. United States |
Valley Forge Dr. / Yorktown Rd. (39.74156, -75.33234) |
Other Existing |
Other Unknown |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
Yield-controlled northwest and southeast legs; uncontrolled northeast and southwest legs. | |
|
Swedesboro,
NJ Gloucester Co. United States |
Pine Dr. / Ashburn Way (39.74389, -75.33937) |
Other Existing |
Other Unknown |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
Southwest leg is uncontrolled; other legs are yield controlled. | |
|
Swedesboro,
NJ Gloucester Co. United States |
Holly Dr. / Ashburn Way (39.74467, -75.34385) |
Other Existing |
Other Unknown |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
Uncontrolled southwest leg; other legs are yield controlled. | |
|
Swedesboro,
NJ Gloucester Co. United States |
Village Green Dr. / Dalton Dr. / Roundstone Run (39.73260, -75.32429) |
Other Existing |
Other Unknown |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
Painted splitter island and yield control on south leg; no splitter islands and no control on other legs. | |
|
Swedesboro,
NJ Gloucester Co. United States |
Hazel Blvd. / Balsam Rd. (39.73123, -75.32836) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Single-Lane |
2020 | Painted splitter islands on all legs. Original circular intersection constructed 2011-2016; splitter islands and yield control added 2020. |
|
Glassboro,
NJ Gloucester Co. United States |
US 322 / Rowan Blvd. (39.70686, -75.11415) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2009 | Year Completed estimated (2008-2010). |
|
Woodbine,
NJ Cape May Co. United States |
CR 610 (Dennisville-Petersburg Rd.) / CR 550 (Dehlisch Ave. / Woodbine-Ocean View Rd.) (39.22105, -74.77919) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2020 | |
|
Sewell,
NJ Gloucester Co. United States |
College Dr. / E College Dr. (39.78060, -75.11734) |
Roundabout Unknown |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2024 | |
|
Princeton Junction,
NJ Mercer Co. United States |
Washington Rd. / Princeton Hightstown Rd. (40.32083, -74.62315) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2024 | Roundabout located 300 ft north of old intersection. |
|
Interlaken,
NJ Monmouth Co. United States |
Main St. / Grassmere Ave. (40.23195, -74.00802) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2017 | At-grade rail crossing (two tracks) located 110 ft to west. Year Completed estimated (2016-2017). |
|
Westerville,
OH Delaware Co. United States |
SR 605 / Fancher Rd. (40.13242, -82.80976) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2024 | |
|
Johnstown,
OH Licking Co. United States |
Green Chapel Rd. / Mink St. (40.12321, -82.69688) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2024 | |
|
Johnstown,
OH Licking Co. United States |
Green Chapel Rd. / (unknown) (40.12333, -82.70509) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | |
|
New Albany,
OH Licking Co. United States |
Green Chapel Rd. / (unknown) (40.12385, -82.71205) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 50.2920 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | |
|
Johnstown,
OH Licking Co. United States |
Mink St. / (unknown) (40.10488, -82.70700) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 50.2920 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | |
|
McKinney,
TX Collin Co. United States |
E Virginia St. / N Throckmorton St. (33.19801, -96.60863) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5277 |
Other (At-Grade) Single-Lane |
2025 | |
|
McKinney,
TX Collin Co. United States |
Wilmeth Rd. / Lake Forest Dr. (33.23242, -96.67934) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2025 | |
|
McKinney,
TX Collin Co. United States |
Wilmeth Rd. / Hardin Blvd. (33.23223, -96.65209) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 56.3880 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2025 | |
|
Buffalo,
MN Wright Co. United States |
STH 25 / CSAH 83 (35th St. NE) (45.20141, -93.86692) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 42.6717 |
Other (At-Grade) Single-Lane |
2024 | |
|
Ridgefield,
WA Clark Co. United States |
Pioneer St. / N Discovery Dr. (45.81573, -122.69697) |
Roundabout Unknown |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://ridgefieldroundtable.org/i5-to-royle-road |
|
Tulare,
CA Tulare Co. United States |
SR 137 (E Tulare Ave.) / Morrison St. (36.21093, -119.30330) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2025 | https://www.facebook.com/100082142657015/posts/ccme-is-in-the-final-stages-of-the-tulare-avestate-hwy-137-roundabout-project-fo/700819749332774/ |
|
Bothell,
WA Snohomish Co. United States |
Meridian Ave. S / 240th St. SE / 240th St. SW (47.78041, -122.23298) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-Lane |
2024 | https://bothellwa.gov/2001/Meridian-Ave-S-and-240th-St-SE-Roundabou |
|
Fitchburg,
WI Dane Co. United States |
S Seminole Hwy. / Lacy Rd. (43.00116, -89.45924) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2023 | https://www.wmtv15news.com/2023/11/17/lacy-road-construction-is-complete-with-added-speed-reductions/ |
|
Palmetto,
GA Fulton Co. United States |
Fayetteville Rd. / Phipps Rd. (33.51449, -84.65766) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2023 | |
|
Bowling Green,
KY Warren Co. United States |
Ashley Cir. / Westen St. (36.96894, -86.43656) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2023 | https://www.wbko.com/2023/06/20/construction-begins-roundabout-ashley-circlewesten-street-intersection/ |
|
Bowling Green,
KY Warren Co. United States |
Westen St. / Patrick Way (36.96519, -86.44527) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2024 | https://www.youtube.com/watch?v=degpDxeAwUM |
|
Bowling Green,
KY Warren Co. United States |
Westen St. / Highland Way (36.96372, -86.44766) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2024 | https://www.facebook.com/citybgky/posts/the-westen-street-and-highland-way-roundabout-project-was-anticipated-to-have-be/906701484824529/ |
|
Charlotte,
NC Mecklenburg Co. United States |
Lakeview Rd. / Reames Rd. (35.33246, -80.85242) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
2023 | Yield-controlled right-turn bypass lane on northeast leg. https://www.charlottenc.gov/Growth-and-Development/Projects/CNIPSunset/Lakeview-Reames |
|
Joplin,
MO Jasper Co. United States |
E Zora St. / Hall St. / Duquesne Rd. (37.11261, -94.45761) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | https://www.facebook.com/JoplinNewsFirst/videos/koamtrafficalert-roundabout-opens-at-zoraduquesnehall-to-all-traffic/1644473069823426/ |
|
Hanover,
MN Wright Co. United States |
CSAH 19 (Labeaux Ave. NE) / CSAH 34 (Beebe Lake Rd. NE) (45.16175, -93.66604) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2024 | |
|
Marysville,
WA Snohomish Co. United States |
SR 529 (48.04425, -122.18013) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2025 | |
|
Hurricane,
UT Washington Co. United States |
S Sand Hollow Rd. / Gateway Blvd. (37.16339, -113.37305) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 82.2960 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2025 | Add-lane right-turn bypass lane on north leg. Merging right-turn bypass lane on west leg. |
|
Hurricane,
UT Washington Co. United States |
Sand Hollow Resort Pkwy. / Retreat Dr. (37.11581, -113.39937) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2009 | Yield-controlled right-turn bypass lane on east leg. Year Completed estimated (2006-2009). |
|
Santa Clarita,
CA Los Angeles Co. United States |
Lost Canyon Rd. / Humphreys Pkwy. / Jakes Way (34.41385, -118.44083) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2019 | Year Completed estimated (2018-2019). |
|
Santa Clarita,
CA Los Angeles Co. United States |
Humphreys Pkwy. (34.41365, -118.43763) |
Other Existing |
Unknown Unknown |
3 Approaches 1 Driveways 0.0000 |
Other (At-Grade) Unknown |
No splitter islands. | |
|
Santa Clarita,
CA Los Angeles Co. United States |
Grand Ln. / Vista Canyon Rd. (34.41431, -118.43437) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
|
Santa Clarita,
CA Los Angeles Co. United States |
Grand Ln. / Provo Ln. (34.41741, -118.43096) |
Other Existing |
Uncontrolled Unknown |
2 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
|
Fort Collins,
CO Larimer Co. United States |
E Mulberry Street Frontage Rd. / Greenfield Dr. (40.58247, -105.01497) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | |
|
Timnath,
CO Larimer Co. United States |
Buss Grove Rd. (CR 40) / Timnath Pkwy. (40.53741, -104.97702) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 57.9120 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | |
|
Timnath,
CO Larimer Co. United States |
2nd Ave. / Signal Tree Dr. (40.52405, -104.97700) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2020 | |
|
Timnath,
CO Larimer Co. United States |
Weitzel St. / Swetsville Zoo Rd. (40.51930, -104.98815) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Year Completed estimated (2021-2023). |
|
Greeley,
CO Weld Co. United States |
W F St. / N 35th Ave. (40.44090, -104.73501) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2022 | Right-turn-only lane and two-lane exit on south leg. At-grade rail crossing approximately 260 feet to north. Year Completed estimated (2021-2023). |
|
Greeley,
CO Weld Co. United States |
W C St. / N 35th Ave. (40.43739, -104.73495) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.2440 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Year Completed estimated (2021-2023). |
|
Berthoud,
CO Larimer Co. United States |
CR 8 / CR 21 (40.30512, -105.13134) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2023 | https://www.larimer.gov/sites/default/files/2023-safety-report-final-20240806.pdf (page 20) |
|
Estes Park,
CO Larimer Co. United States |
US 36 (N Saint Vrain Ave.) / Community Dr. (40.37449, -105.49980) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Year Completed estimated (2019-2024). |
|
Estes Park,
CO Larimer Co. United States |
US 36 / US 34 Business / Crags Dr. (40.37248, -105.52360) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Elliptical shaped. Replaced two two-way stop-controlled intersections. ICD = 120 ft x 95 ft. Year Completed estimated (2019-2024). |
|
Johnstown,
CO Weld Co. United States |
SH 60 / Gateway Cir. (40.33527, -104.98559) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 59.4360 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2024 | Primary access to large travel and fuel center. Year Completed estimated (2023-2024). |
|
Jacksonville,
FL Duval Co. United States |
Edgewood Ave. S / Plymouth St. (30.30807, -81.71335) |
Other Existing |
Other At-grade Rail Crossing Signals/Gates (controlling approach only) |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2024 | Located 30 ft from at-grade rail crossing. Stop control on circulatory roadway; northbound uncontrolled. https://www.news4jax.com/news/local/2024/12/26/murray-hill-residents-divided-on-new-roundabout-effectiveness/ |
|
Brandenton,
FL Manatee Co. United States |
SR 64 / Lorraine Rd. / 145th St. E (27.47548, -82.39557) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://www.mysuncoast.com/2025/04/02/state-road-64-lorraine-road-roundabout-opens-early/ |
|
Cottonwood,
AZ Yavapai Co. United States |
N Main St. / N 10th St. (34.74422, -112.01633) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | Replaced offset T intersections. https://www.verdenews.com/news/main-street-roundabout-newest-addition-in-cottonwoods-148-lane-miles-of-streets/article_752e0b29-40ee-4ba4-8d37-f119acec45b8.html |
|
Bellingham,
WA Whatcom Co. United States |
W Illinois St. / Meridian St. (48.76817, -122.48609) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 18.2880 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2025 | https://cob.org/project/west-illinois-multimodal |
|
Palmdale,
CA Los Angeles Co. United States |
E Avenue S8 / 40th St. E (34.54990, -118.05834) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2025 | Yield-controlled right-turn bypass lane on south and east legs. https://www.facebook.com/CityofPalmdale/videos/para-espa%C3%B1ol-roundabout-tips-for-a-smoother-rideave-s-8-40th-st-east-is-now-open/3977904792456970/ . |
|
Kannapolis,
NC Cabarrus Co. United States |
SR 3 (Mooresville Rd.) / Miller St. / Franklin Ave. (35.49574, -80.63904) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2023 | Year Completed estimated (2023-2024). |
|
Kannapolis,
NC Cabarrus Co. United States |
Lane St. / Turkey Rd. / Royse St. (35.49738, -80.55891) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2020 | Year Completed estimated (2019-2021). |
|
Davidson,
NC Cabarrus Co. United States |
SR 3 (Mooresville Rd.) / Odell School Rd. (35.48835, -80.75930) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2022 | Year Completed estimated (2022-2023). |
|
Huntersville,
NC Mecklenburg Co. United States |
Bryton Pkwy. / Bryton Ridge Pkwy. (35.38172, -80.82887) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2017 | Year Completed estimated (2016-2017). |
|
Latham,
NY Albany Co. United States |
Winter Creek Blvd. / (parking) (42.73060, -73.76251) |
Other Existing |
All-Way Stop Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
|
Longmont,
CO Boulder Co. United States |
Harvest Moon Dr. / (parking) / (unknown) (40.15101, -105.08420) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2023 | Right-turn-only lane and two-lane exit on north leg. Year Completed estimated (2022-2023). |
|
Lochbuie,
CO Adams Co. United States |
E 168th Ave. / Frontage Rd. (40.00051, -104.71769) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 51.8160 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2020 | Ellipitcal shaped. ICD = 170 ft x 140 ft. |
|
Broomfield,
CO Adams Co. United States |
W 122nd Ave. / N Park Centre Dr. (39.92089, -105.01002) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2002 | North leg stubbed. Year Completed estimated (2001-2003). |
|
Thornton,
CO Adams Co. United States |
Washington Center Pkwy. / Lafayette St. (39.91876, -104.97204) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2002 | Year Completed estimated (1999-2002). |
|
Thornton,
CO Adams Co. United States |
Riverdale Rd. / Quebec St. (39.91040, -104.90320) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
2018 | |
|
Westminster,
CO Adams Co. United States |
W 117th Ave. / Quitman St. (39.90885, -105.04229) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2005 | |
|
Aurora,
CO Arapahoe Co. United States |
Copperleaf Blvd. / Radcliff Pkwy. (39.63537, -104.72624) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Year Completed estimated (2022-2023). |
|
Westerville,
OH Franklin Co. United States |
Little Turtle Way W / Longrifle Rd. (40.08322, -82.87865) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.2440 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2023 | Yield-controlled right-turn bypass lane on south leg. |
|
Castle Rock,
CO Douglas Co. United States |
Mikelson Blvd. / Mitchell St. (39.36622, -104.79813) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | https://www.youtube.com/watch?v=QkZTn1X4oAY |
|
Castle Rock,
CO Douglas Co. United States |
E Montaine Cir. / Quarry Mesa Dr. (39.32630, -104.85197) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2023 | |
|
Black Forest,
CO El Paso Co. United States |
SR 50 (Walker Rd.) / Jane Lundeen Dr. (39.09974, -104.76828) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 54.8637 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2023 | Double left turn on south leg. Right-turn-only on west leg. |
|
Falcon,
CO El Paso Co. United States |
Falcon Market Pl. / Woodmen Frontage Rd. / E Woodmen Rd. (38.94134, -104.61192) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2022 | |
|
Colorado Springs,
CO El Paso Co. United States |
Meridian Sol Dr. / Swingline Rd. (38.93013, -104.60820) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2022 | Elliptical shaped. ICD = 130 ft x 105 ft. |
|
Colorado Springs,
CO El Paso Co. United States |
Meadow Brook Pkwy. / Newt Dr. (38.84432, -104.69242) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.4317 |
Other (At-Grade) Single-Lane |
2023 | |
|
Colorado Springs,
CO El Paso Co. United States |
S Troy Hill Rd. / Joystone Dr. (38.82702, -104.72760) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2019 | |
|
Santa Barbara,
CA Santa Barbara County United States |
E Cabrillo Blvd. / Los Patos Way / Channel Dr. (34.42133, -119.65642) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2025 | https://keyt.com/lifestyle/travel/2025/05/28/new-cabrillo-and-los-patos-roundabout-project-opens-up/ |
|
Vista,
CA San Diego County United States |
Foothill Dr. / Oak Dr. (north) (33.21634, -117.22192) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | Elliptical shaped. Part of closely spaced pair of roundabouts. https://www.youtube.com/watch?v=Imr8lxz23dc |
|
Vista,
CA San Diego County United States |
Foothill Dr. / Oak Dr. (south) (33.21602, -117.22114) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | Part of closely spaced pair of roundabouts. |
|
New Castle,
CO Garfield County United States |
US 6 / Castle Valley Blvd. (39.56797, -107.51604) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://kdvr.com/news/local/new-multi-lane-roundabout-at-intersection-of-us-6-and-castle-valley-road/ |
|
Brainerd,
MN Crow Wing Co. United States |
CSAH 49 (Wise Rd.) / Beaver Dam Rd. (46.38448, -94.22428) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.1960 |
Other (At-Grade) Single-Lane |
2022 | |
|
Philadelphia,
PA Philadelphia Co. United States |
S 20th St. / Penrose Ave. / Packer Ave. / W Moyamensing Ave. (39.91297, -75.18205) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways 47.2440 |
Other (At-Grade) Single-Lane |
2025 | Features separated bicycle lanes. |
|
Punta Gorda,
FL Charlotte Co. United States |
US 41 (Tamiami Trl.) / Carmalita St. (26.92980, -82.04751) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://www.gulfshorebusiness.com/gb_daily/new-downtown-roundabout-opens-in-punta-gorda/ |
|
Toa Alta,
Toa Alta Municipio Ortíz Barrio Puerto Rico |
Avenida los Palacios / Calle Guajataca (18.34875, -66.20882) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
Circle existed in 2016 but without controlling signs; by 2024 Yield signs had been added. | |
|
Toa Alta,
Toa Alta Municipio Ortíz Barrio Puerto Rico |
Avenida Los Palacios / Ave. Palacios Reales / Ave. Palacios de Marbella (18.34576, -66.20688) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
Circle existed in 2016 but with stop signs on two approaches; no controls on the other two. Yield signs on all approaches in 2024. | |
|
Lake Mary,
FL Seminole County United States |
New Technology Blvd. / Caring Dr. (28.76760, -81.35607) |
Rotary Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 71.6280 |
Other (At-Grade) Single-Lane |
2020 | Circulatory roadway is 35 ft wide. Year Completed estimated (2019-2021). |
|
Orlando,
FL Orange County United States |
Westpointe Blvd. / Vista Royale Blvd. (28.51895, -81.49756) |
Rotary Existing |
Unknown Unknown |
3 Approaches 0 Driveways 91.4400 |
Other (At-Grade) Single-Lane |
||
|
Orlando,
FL Orange County United States |
Westpointe Blvd. / Abbots Hill Dr. (28.52013, -81.50067) |
Other Existing |
All-Way Stop Unknown |
4 Approaches 0 Driveways 37.1856 |
Other (At-Grade) Single-Lane |
||
|
Wildwood,
FL Sumter County United States |
(unknown) (28.84553, -82.01688) |
Other Existing |
Uncontrolled Unknown |
4 Approaches 0 Driveways 34.7472 |
Other (At-Grade) Single-Lane |
||
|
Sanford,
FL Seminole County United States |
S Park Ave. / W 9th St. / E 9th St. (28.80444, -81.26798) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 20.7264 |
Other (At-Grade) Single-Lane |
2008 | Raised crosswalks. |
|
Belton,
MO Cass County United States |
S Mullen Rd. / E Cambridge Rd. (38.79909, -94.51296) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | Year Completed estimated (2024-2025). |
|
Cartersville,
VA Cumberland County United States |
SR 45 (Cartersville Rd.) / Columbia Rd. (37.65869, -78.12544) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2024 | https://farmvilleherald.com/2024/03/work-continues-on-cartersville-roundabout-with-end-date-set/ |
|
Moreland,
GA Coweta County United States |
US 29 / US 27 Alternate / Harris Rd. / Ralph Evans Rd. (33.27899, -84.76548) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2024 | Traffic from the west (Harris Rd) must turn right before entering the roundabout. https://www.facebook.com/reel/385831194453450/ |
|
Salem,
OR Marion County United States |
Saginaw St. S / Bush St. S (44.93127, -123.04547) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
|
Salem,
OR Marion County United States |
Hood St. NE / Cottage St. NE (44.95186, -123.02692) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
|
Salem,
OR Marion County United States |
Hood St. NE / Winter St. NE (44.95156, -123.02571) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |