| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Blairsville,
                GA Union Co. United States | Walmart Dr. / Wintermute Dr. (34.86250, -84.00027) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.2592 | Other (At-Grade) Single-Lane | 2009 | Serves Walmart commercial center. ICD estimated from Google Maps linework. | 
| Blandon,
                PA Berks Co. United States | US 222 (Allentown Pike) / Tamarack Blvd. / Genesis Dr. (40.45234, -75.89067) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | 2022 | Year Completed estimated (2020-2022). | 
| Blandon,
                PA Berks Co. United States | US 222 (Allentown Pike) / Schaeffer Rd. (40.45584, -75.88412) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2021 | https://berksweekly.com/traffic-transit/video-new-roundabout-opens-on-route-222-in-maidencreek-township/ | 
| Blaxland,
                New South Wales Blue Mountains Australia | Mitchells Pass / Layton Ave. / Wilson Way / Grahame St. (-33.74857, 150.61641) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Blaydon,
                England Gateshead United Kingdom | A695 / Stargate Ln. (54.96416, -1.74729) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Blaydon,
                England Gateshead United Kingdom | A694 / A695 (Derwenthaugh Rd.) / A1114 (Riverside Way) (54.96220, -1.68543) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Blaydon,
                England Gateshead United Kingdom | A695 / Beweshill Ln. / (parking) (54.96420, -1.73362) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Blenheim,
                Marlborough Marlborough New Zealand | SH 6 (Middle Renwick Rd. - Nelson St.) / Boyce St. (-41.50894, 173.93972) | Roundabout Existing | All-Way Yield None | 3 Approaches 2 Driveways | Other (At-Grade) Single-Lane | ||
| Blenheim,
                Marlborough Marlborough New Zealand | SH 6 (Middle Renwick Rd.) / Murphys Rd. / Battys Rd. (-41.50922, 173.93267) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Blenheim,
                Marlborough Marlborough New Zealand | New Renwick Rd. / Alabama Rd. / Maxwell Rd. (-41.52878, 173.94405) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Blenheim,
                Marlborough Marlborough New Zealand | Alabama Rd. / Redwood St. (-41.52801, 173.96144) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Blenheim,
                Marlborough Marlborough New Zealand | Taylor Pass Rd. / Forest Park Dr. / Turnbull Dr. (-41.54382, 173.93778) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Blenheim,
                Marlborough Marlborough New Zealand | SH 1 (Main St. - Sinclair St.) / Main St. / Redwood St. (-41.51345, 173.95983) | Roundabout Existing | All-Way Yield At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only) | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Blenheim,
                Marlborough Marlborough New Zealand | SH 1 (Grove Rd.) / SH 6 (Nelson St.) / Dillons Point Rd. (-41.50804, 173.95933) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Blenheim,
                Marlborough Marlborough New Zealand | Middle Renwick Rd. (SH 6) / Westwood Ave. (-41.50940, 173.92470) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Blenheim,
                Marlborough Marlborough New Zealand | Maxwell Rd. / Seymour St. (-41.51535, 173.95483) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Blenheim,
                Marlborough Marlborough New Zealand | Taylor Pass Rd. / Neville St. / Payne Pl. (-41.54906, 173.93540) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Blenheim,
                Marlborough Marlborough New Zealand | High St. / Seymour St. (-41.51186, 173.95458) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Blenheim,
                Marlborough Marlborough New Zealand | SH 1 (Sinclair St.) / Alfred St. / Horton St. (-41.51082, 173.95948) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Bletchley,
                England Milton Keynes United Kingdom | A421 (Standing Way) / Tattenhoe Ln. (51.99815, -0.77246) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Bletchley,
                England Milton Keynes United Kingdom | Whaddon Way / Tattenhoe Ln. (northeast) (51.99282, -0.76234) | Roundabout Unknown | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Single-lane w/ Traversable Central Island | ||
| Bletchley,
                England Milton Keynes United Kingdom | Whaddon Way / Tattenhoe Ln. (southwest) (51.99251, -0.76281) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Single-lane w/ Traversable Central Island | ||
| Bletchley,
                England Milton Keynes United Kingdom | B4034 (Buckingham Rd.) / Newton Rd. (51.99129, -0.75460) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Single-lane w/ Traversable Central Island | ||
| Bletchley,
                England Milton Keynes United Kingdom | B4034 (Buckingham Rd.) / Shenley Rd. (51.99131, -0.75405) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Single-lane w/ Traversable Central Island | ||
| Bletchley,
                England Milton Keynes United Kingdom | B4034 (Buckingham Rd.) / Water Eaton Rd. / Sherwood Dr. (51.99331, -0.73822) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Bletchley,
                England Milton Keynes United Kingdom | Brunel Roundabout [B4034 (Queensway-Saxon St.) / Duncombe St.] (51.99432, -0.73462) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Bletchley,
                England Milton Keynes United Kingdom | Princes Way Roundabout [B4034 / Princes Way] (51.99711, -0.73430) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Bletchley,
                England Milton Keynes United Kingdom | Beacon Roundabout [Watling St. / (parking)] (52.00159, -0.72379) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Bletchley,
                England Milton Keynes United Kingdom | B4034 (Saxon St.) / Watling St. (52.00264, -0.72635) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | Partial double roundabout. | |
| Bletchley,
                England Milton Keynes United Kingdom | Denbigh Roundabout [B4034 (Saxon St.) / Blatcham Way] (52.00428, -0.72672) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | ||
| Bletchley,
                England Milton Keynes United Kingdom | Watling St. / Grafton St. (52.00666, -0.73549) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Bli Bli,
                Queensland Sunshine Coast Australia | SR 10 (Bli Bli Rd.) / Willis Rd. (-26.61678, 153.03622) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | Two lanes southbound. | |
| Bli Bli,
                Queensland Sunshine Coast Australia | SR 10 (Bli Bli Rd.) / M1 (Bruce Hwy.) NB Ramps / Rifle Range Rd. / Sewerage Plant Rd. (-26.61589, 152.97832) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | ||
| Bli Bli,
                Queensland Sunshine Coast Australia | SR 10 (Bli Bli Rd.) / M1 (Bruce Hwy.) SB Ramps (-26.61541, 152.98071) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | ||
| Bli Bli,
                Queensland Sunshine Coast Australia | Camp Flat Rd. / Parklakes Dr. (-26.60273, 153.02100) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Bli Bli,
                Queensland Sunshine Coast Australia | Yandina-Bli Bli Rd. / Thomas Rd. / Parklakes Dr. (-26.60525, 153.03022) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Blomeyer,
                MO Cape Girardeau Co. United States | MO 25 / MO 77 / Nash Rd. (37.22343, -89.66024) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Single-Lane | 2011 | |
| Blomkest,
                MN Kandiyohi Co. United States | US 71 (1st St. S) / STH 7 (195th Ave. SE) (44.93535, -95.04408) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 55.8010 | Other (At-Grade) Single-Lane | 2017 | https://www.kare11.com/article/traffic/major-road-projects-highlight-mndot-construction-season/488383654 ICD estimated from Google Maps linework. | 
| Bloomfield,
                IN Greene Co. United States | SR 445 / I-69 SB Ramps (39.03444, -86.68995) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 31.5423 | Freeway Ramps (Grade-Separated) Single-Lane | 2015 | Raindrop shape. ICD estimated from Google Maps linework. | 
| Bloomfield,
                IN Greene Co. United States | SR 445 / I-69 NB Ramps (39.03372, -86.68831) | Roundabout Existing | All-Way Yield Unknown | 2 Approaches 0 Driveways 28.7595 | Freeway Ramps (Grade-Separated) Single-Lane | 2015 | Raindrop shape. ICD estimated from Google Maps linework. | 
| Bloomingdale,
                GA Chatham Co. United States | Bloomingdale Rd. / Little Neck Rd. / I-16 EB Ramps (32.09873, -81.32315) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | Yield-controlled right-turn bypass lane on west leg (freeway exit ramp) that is aimed at circulatory roadway. Yield-controlled right-turn bypass lane on south leg onto freeway entrance ramp. | 
| Bloomingdale,
                IL DuPage Co. United States | Bloomfield Pkwy. / Bloomfield Cir. (41.95403, -88.10742) | Other Existing | Uncontrolled None | 3 Approaches 5 Driveways 0.0000 | Other (At-Grade) Single-Lane | Pedestrian access to central island. | |
| Bloomingdale,
                GA Chatham Co. United States | GA 17 (Bloomingdale Rd.) / I-16 WB Ramps (32.10083, -81.32357) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | |
| Bloomington,
                IN Monroe Co. United States | W Woodyard Rd. / N Curry Pike / W Hunter Valley Rd. (39.19027, -86.58242) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 56.3877 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Series of 2 roundabouts. Striped out spiral in circulatory roadway. https://www.heraldtimesonline.com/story/news/traffic/2022/03/03/work-2-6-m-double-roundabout-bloomington-start-next-week/9332294002/ | 
| Bloomington,
                IN Monroe Co. United States | W Woodyard Rd. / N Smith Pike (39.19089, -86.58340) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2022 | Series of 2 roundabouts. | 
| Bloomington,
                IN Monroe Co. United States | S Rogers St. / W Gordon Pike (39.12159, -86.53923) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2019 | |
| Bloomington,
                IN Monroe Co. United States | S Sare Rd. / E Rogers Rd. (39.13582, -86.49651) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 43.5400 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | ICD estimated from Google Maps linework. | 
| Bloomington,
                IN Monroe Co. United States | W Tapp Rd. / I-69 NB Ramps (39.13683, -86.57233) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 32.4230 | Freeway Ramps (Grade-Separated) Single-Lane | 2018 | Year Completed estimated (2017-2018). ICD estimated from Google Maps linework. | 
| Bloomington,
                IN Monroe Co. United States | W Tapp Rd. / I-69 SB Ramps (39.13653, -86.57389) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 29.6440 | Freeway Ramps (Grade-Separated) Single-Lane | 2018 | Year Completed estimated (2017-2018). ICD estimated from Google Maps linework. | 
| Bloomington,
                IN Monroe Co. United States | W Fullerton Pike / I-69 NB Ramps / (unknown) (39.12220, -86.56929) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 34.2828 | Freeway Ramps (Grade-Separated) Unknown | 2017 | Year Completed estimated (2016-2018). ICD estimated from Google Maps linework. | 
| Bloomington,
                IN Monroe Co. United States | W Fullerton Pike / I-69 SB Ramps / Monroe Medical Park Blvd. (39.12226, -86.57335) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 35.2093 | Freeway Ramps (Grade-Separated) Unknown | 2017 | Year Completed estimated (2016-2018). ICD estimated from Google Maps linework. | 
| Bloomington,
                MN Hennepin Co. United States | W 78th St. / US 169 Frontage Rd. / (parking lot) (44.86145, -93.39441) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.5554 | Other (At-Grade) Single-Lane | 2012 | This is one of 6 roundabouts surrounding the interchange of I-494 and US 169. http://www.startribune.com/i-494-hwy-169-interchange-is-up-for-an-award/224898442/ ICD estimated from Google Maps linework. | 
| Bloomington,
                MN Hennepin Co. United States | W 78th St. / US 169 SB Offramp / I-494 WB Onramp (44.86118, -93.39598) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 34.7090 | Freeway Ramps (Grade-Separated) Single-Lane | 2012 | This is one of 6 roundabouts surrounding the interchange of I-494 and US 169. ICD estimated from Google Maps linework. | 
| Bloomington,
                MN Hennepin Co. United States | Washington Ave. / W 78th St. / Viking Dr. (44.86003, -93.39886) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.0960 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | This is one of 6 roundabouts surrounding the interchange of I-494 and US 169. ICD estimated from Google Maps linework. | 
| Bloomington,
                MN Hennepin Co. United States | W 78th St. / Washington Ave. / Marth Rd. (44.85859, -93.39850) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 37.2504 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | This is one of 6 roundabouts surrounding the interchange of I-494 and US 169. ICD estimated from Google Maps linework. | 
| Bloomington,
                MN Hennepin Co. United States | Washington Ave. / Ensign Rd. / Marth Rd. / I-494 EB Offramp (44.85775, -93.39652) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.2509 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2012 | This is one of 6 roundabouts surrounding the interchange of I-494 and US 169. ICD estimated from Google Maps linework. | 
| Bloomington,
                MN Hennepin Co. United States | Marth Rd. / US 169 NB Offramp / I-494 EB Onramp (44.85809, -93.39324) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 37.2507 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2012 | This is one of 6 roundabouts surrounding the interchange of I-494 and US 169. Teardrop shape. ICD estimated from Google Maps linework. | 
| Bloomington,
                IL McLean Co. United States | Royal Pointe Dr / Brighton Ln (40.49004, -88.93106) | Traffic Calming Circle Existing | Other None | 4 Approaches 0 Driveways 55.4069 | Other (At-Grade) Single-Lane | 1997 | Year Completed estimated (1994-1999). ICD estimated from Google Maps linework. | 
| Bloomington,
                IL McLean Co. United States | Royal Pointe Dr. / Arrowhead Dr. (40.49332, -88.93045) | Traffic Calming Circle Removed | Other None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2014 | Removed sometime between 2012 and 2015. | 
| Bloomington,
                IN Monroe Co. United States | N Monroe St. / W 17th St. / W Arlington Rd. (39.17914, -86.54712) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 1 Driveways 37.0325 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Bloomington,
                IN Monroe Co. United States | Moores Pike / Winfield Rd. (39.15027, -86.50103) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.3430 | Other (At-Grade) Single-Lane | 2005 | Completed August 2005. http://bloomington.in.gov/egov/docs/1124562196872.htm ICD estimated from Google Maps linework. | 
| Bloomington,
                IN Monroe Co. United States | High St. / Winslow Rd. / Rogers Rd. (39.13631, -86.50819) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.9078 | Other (At-Grade) Single-Lane | 1999 | $497,000 construction cost. ICD estimated from Google Maps linework. | 
| Bloomington,
                IN Monroe Co. United States | W Tapp Rd. / S Adams St. (39.13650, -86.55431) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 31.4967 | Other (At-Grade) Single-Lane | 2008 | No truck apron and wide circulatory roadway. ICD estimated from Google Maps linework. | 
| Bloomington,
                IN Monroe Co. United States | Sample Rd. / I-69 NB Ramps (39.26581, -86.52203) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.1000 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Year Completed estimated (2016-2019). | 
| Bloomington,
                IN Monroe Co. United States | Sample Rd. / N Frontage Rd. W / I-69 SB Ramps (39.26595, -86.52428) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Year Completed estimated (2016-2019). | 
| Bloomington,
                IN Monroe Co. United States | Sample Rd. / N Wayport Rd. / N Frontage Rd. E (39.26549, -86.51969) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2017 | Year Completed estimated (2016-2019). | 
| Blotzheim,
                Grand Est Haut-Rhin France | D201 / Allee du Casino (47.59258, 7.50431) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 28.1908 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Blowick,
                England Sefton United Kingdom | A570 (Scarisbrick New Rd.) / Foul Ln. / (parking) (53.63189, -2.96841) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Blue Ash,
                OH Hamilton Co. United States | Plainfield Rd. / Peppermill Ln. / Reed-Hartman Hwy. (39.23083, -84.39482) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | RRFB on all four legs. https://www.blueash.com/departments/public_works/hunt_plainfield.php | 
| Blue Ash,
                OH Hamilton Co. United States | Hunt Rd. / (parking) (39.22578, -84.39828) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2022 | Opened February 2, 2022. https://www.blueash.com/departments/public_works/hunt_plainfield.php | 
| Blue Ash,
                OH Hamilton Co. United States | Hunt Rd. / Plainfield Rd. (39.22691, -84.39426) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 53.0352 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2023 | https://www.wcpo.com/news/local-news/hamilton-county/blue-ash/blue-ash-police-new-roundabout-while-confusing-some-is-reducing-crashes | 
| Blue Ash,
                OH Hamilton Co. United States | Malsbary Rd. / Alliance Rd. (39.23916, -84.38188) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 34.2258 | Other (At-Grade) Single-Lane | 2017 | http://www.blueash.com/departments/public_works/roundabout_safety.php ICD estimated from Google Maps linework. | 
| Blue Ash,
                OH Hamilton Co. United States | Plainfield Rd. / Parkview Dr. (39.24335, -84.39561) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 18.4993 | Other (At-Grade) Single-Lane | 2018 | http://www.blueash.com/departments/public_works/roundabout_safety.php ICD estimated from Google Maps linework. | 
| Blue Ash,
                OH Hamilton Co. United States | Glendale Milford Rd. / Lake Forest Dr. / Summit Pl. (39.25169, -84.38466) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.8671 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2019 | ICD estimated from Google Maps linework. | 
| Blue Bell,
                PA Montgomery Co. United States | Anvil Ln. (40.16062, -75.28413) | Other Existing | Unknown Unknown | 2 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Blue Bell,
                PA Montgomery Co. United States | Arbor Way / Jolly Rd. / (parking) (40.14222, -75.28498) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2014 | Year Completed estimated (2011-2016). | 
| Blue Earth,
                MN Faribault Co. United States | US 169 / 7th St. / CSAH 16 (43.63770, -94.09087) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.5743 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Blue Earth,
                MN Faribault Co. United States | US 169 / CSAH 7 (Leland Pkwy) (43.64480, -94.09164) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.1630 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Blue Earth,
                MN Faribault Co. United States | US 169 / TH 44 (Fairgrounds Rd.) (43.65225, -94.09464) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.3923 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Blue Grass-Pigeon,
                IN Vanderburgh Co. United States | Vieth Ln. / Goebel Dr. / (parking) (38.03922, -87.49317) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2002 | Year Completed estimated (1998-2005). | 
| Blue Hill,
                ME Hancock Co. United States | Beech Hill Rd. / Mines Rd. / Tenney Hill / South St. (44.40825, -68.59763) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.4214 | Other (At-Grade) Single-Lane | 2013 | ICD estimated from Google Maps linework. | 
| Blue Lake,
                CA Humboldt Co. United States | Blue Lake Blvd. / Chartin Rd. (40.88640, -123.99540) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.3789 | Other (At-Grade) Single-Lane | 2002 | ICD estimated from Google Maps linework. | 
| Blue Mountains,
                ON Grey Canada | CR 19 / Gord Canning Dr. / Scenic Caves Rd. (44.49650, -80.30181) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Year Completed estimated (2009-2011). | 
| Blue Springs,
                MO Jackson Co. United States | Woods Chapel Rd. / SW Walnut St. (39.01761, -94.30015) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.7571 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Bluewater,
                England Kent United Kingdom | Bluewater Pkwy. / (connector to B255) (51.43891, 0.27745) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Bluewater,
                England Kent United Kingdom | Bluewater Pkwy. / Wintergarden Crescent (51.44009, 0.27659) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Bluewater,
                England Kent United Kingdom | Bluewater Pkwy. / (parking) (51.44129, 0.27544) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Bluewater,
                England Kent United Kingdom | Bluewater Pkwy. / Chestnut Ave. (51.44223, 0.27204) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Bluewater,
                England Kent United Kingdom | Bluewater Pkwy. / Bluewater Pkwy. Ramps / (unknown) (51.44244, 0.26850) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | ||
| Bluewater,
                England Kent United Kingdom | Bluewater Pkwy. / The Village Crescent (51.44130, 0.26540) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Bluff Point,
                Western Australia Greater Geraldton Australia | Chapman Rd. / Hosken St. (-28.73679, 114.62493) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Bluffdale,
                UT Salt Lake Co. United States | SR 140 (W 14600 S) / S 1000 W (40.48614, -111.91949) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.9679 | Other (At-Grade) Single-Lane | 2016 | Right-turn-only lane on east leg. ICD estimated from Google Maps linework. | 
| Bluffdale,
                UT Salt Lake Co. United States | 2200 W / 14400 S (40.48960, -111.94834) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 20.8913 | Other (At-Grade) Single-Lane | 2018 | City Hall roundabout. ICD estimated from Google Maps linework. | 
| Bluffdale,
                UT Salt Lake Co. United States | Noell Nelson Dr. / S Heritage Crest Way (40.47223, -111.91882) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.2506 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Bluffdale,
                UT Salt Lake Co. United States | Spring View Pkwy. / Peacock Midge Dr. / Pheasant Tail Dr. (40.49070, -111.92292) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2005 | |
| Bluffdale,
                UT Salt Lake Co. United States | S Stone Fly Dr. / Gray Wulff Dr. (40.49285, -111.92039) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2007 | |
| Bluffs,
                FL Palm Beach Co. United States | Bluffs Blvd. / 22nd Ct. (26.89235, -80.06936) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Bluffton,
                SC Beaufort Co. United States | University Pkwy. / Southside Pkwy. (32.30407, -80.99340) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Bluffton,
                SC Beaufort Co. United States | University Pkwy. / Park Blvd. (32.30521, -80.99102) | Other Existing | Unknown Unknown | 3 Approaches 2 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands on two legs. | |
| Bluffton,
                SC Beaufort Co. United States | Southside Pkwy. / Park Blvd. (32.30439, -80.99084) | Other Existing | Unknown Unknown | 3 Approaches 1 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands on two legs. |