City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Washington,
DC N/A Co. United States |
Randle Circle (Mass. Ave. / Minn. Ave. / K St.) (38.87810, -76.96148) |
Signalized Roundabout/Circle Existing |
Signal None |
7 Approaches 0 Driveways 118.0801 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
Mount Rainier,
MD Prince Georges Co. United States |
US 1 / 34th St. / Perry St. (38.93647, -76.96074) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2001 | Oval shaped. ICD = 135 ft x 115 ft. |
Mechanicsburg,
PA Cumberland Co. United States |
Orchard Blvd. / Mcintosh Dr. (40.18977, -76.96065) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
Temple Hills,
MD Prince Georges Co. United States |
MD 637 (Naylor Rd.) / Oxon Run Dr. (38.84986, -76.95789) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.4150 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Mechanicsburg,
PA Cumberland Co. United States |
Haralson Dr. / Stellar Dr. (40.19368, -76.95742) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
Temple Hills,
MD Prince Georges Co. United States |
MD 637 (Naylor Rd.) / Good Hope Ave. (38.84922, -76.95655) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.6248 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Mechanicsburg,
PA Cumberland Co. United States |
Haralson Dr. / Norland St. (40.19355, -76.95545) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
Clarksville,
MD Howard Co. United States |
Brighton Dam Rd. / Ten Oaks Rd. (39.20491, -76.95455) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 35.1680 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Calverton,
MD Montgomery Co. United States |
Fairland Rd. / Brahms Ave. / (parking) (39.07126, -76.95403) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2008 | |
Calverton,
MD Montgomery Co. United States |
Fairland Rd. / Marlow Farm Terr. / Musgrove Rd. (39.07004, -76.95264) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
2008 | |
College Park,
MD Prince George's Co. United States |
Fieldhouse Dr. / Presidential Dr. (38.98872, -76.95237) |
Other Existing |
Unknown Unknown |
2 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
Accokeek,
MD Prince George's Co. United States |
St Mary's View Rd. / Lusby Ridge Rd. (38.69721, -76.95157) |
Other Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-Lane |
No splitter island on south leg. | |
College Park,
MD Prince George's Co. United States |
Stadium Dr. / Alumni Dr. (38.99151, -76.94948) |
Other Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
College Park,
MD Prince George's Co. United States |
Campus Dr. / Mowatt Ln. / Valley Dr. (Alumni Dr.) (38.98482, -76.94890) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0037 |
Other (At-Grade) Single-Lane |
2004 | Striped splitter island on north and east legs. Year Completed estimated (2002-2005). |
Saint-Charles,
MD Charles Co. United States |
Smugglers Notch Ct. / Jacksonhole Pl. (38.60188, -76.94805) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Clarksville,
MD Howard Co. United States |
Watkins Bridge Ln. / Holly Creek Ln. (39.22939, -76.94583) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2010 | |
Calverton,
MD Montgomery Co. United States |
Fairland Rd. / Galway Dr. (39.06594, -76.94436) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2008 | |
Clarksville,
MD Howard Co. United States |
Running Fence Ln. / Preakness Circle Ln. (39.22640, -76.94374) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2010 | |
Clarksville,
MD Howard Co. United States |
Preakness Circle Ln. / Watkins Bridge Ln. (39.22880, -76.94308) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2010 | |
Mechanicsburg,
PA Cumberland Co. United States |
Lisburn Rd. / Arcona Rd. (40.19402, -76.94066) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2019 | https://www.wgal.com/article/lower-allen-township-roundabouts-open/29751390 |
College Park,
MD Prince George's Co. United States |
Campus Dr. / Regents Dr. (38.98762, -76.94019) |
Other Existing |
Other Unknown |
4 Approaches 0 Driveways 58.4848 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Mix of Yield and Stop signs (3 Yields; 1 Stop) at approaches. ICD estimated from Google Maps linework. | |
Mechanicsburg,
PA Cumberland Co. United States |
Lisburn Rd. / Rossmoyne Rd. (40.19649, -76.94005) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2019 | https://www.wgal.com/article/lower-allen-township-roundabouts-open/29751390 |
College Park,
MD Prince George's Co. United States |
Dupont Circle (38.95971, -76.93792) |
Other Existing |
Other Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Mix of stop and yield control. No splitter islands. | |
Saint Charles,
MD Charles Co. United States |
Devongate St. / Malvern St. / Promenade Pl. (38.61057, -76.93790) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
2009 | Crosswalks adjacent to circulatory roadway. Year Completed estimated (2008-2009). |
Beltsville,
MD Prince George's Co. United States |
Sellman Rd. / Woodbine Rd. (39.03418, -76.93680) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2008 | Intersection relocated south of previous TWSC intersection. |
College Park,
MD Prince George's Co. United States |
Lafayette Ave. / Rivertech Ct. (38.96737, -76.93276) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2018 | Year Completed estimated (2017-2018). |
West Friendship,
MD Howard Co. United States |
Folly Quarter Rd. / Sheppard Ln. / Homewood Rd. (39.24979, -76.93188) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2004 | Year Completed estimated (2002-2005). |
Marriottsville,
MD Howard Co. United States |
Sand Hill Rd. / Sand Hill Manor Dr. / Mount View Rd. (39.31018, -76.93043) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
1998 | Year Completed estimated (1993-2002). |
Sykesville,
MD Carroll Co. United States |
Bennett Rd. / Monroe Ave. (39.41306, -76.92967) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.7590 |
Other (At-Grade) Single-Lane |
2006 | ICD estimated from Google Maps linework. |
Burtonsville,
MD Montgomery Co. United States |
Dustin Rd. / US 29 SB Offramp / Columbia Pike (39.12256, -76.92656) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.5482 |
Freeway Ramps (Grade-Separated) Single-Lane |
2006 | Fatal crash October 14, 2007.: http://www.fredericknewspost.com/sections/news/display.htm?StoryID=66411. 11861-05. ICD estimated from Google Maps linework. |
Polychrome Historic District,
MD Prince George's Co. United States |
IKEA Center Blvd. / Milestone Way (39.02224, -76.92650) |
Other Existing |
Other Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Mix of yield-controlled and uncontrolled entries. | |
Calverton,
MD Prince George's Co. United States |
Bay Hill Dr. / Innisbrook Dr. (39.06579, -76.92532) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Old Town College Park,
MD Prince George's Co. United States |
52nd Ave. / (unknown) (38.97496, -76.92410) |
Other Existing |
Unknown Unknown |
2 Approaches 1 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
College Park,
MD Prince George's Co. United States |
River Rd. / University Research Ct. / Haig Dr. (38.96838, -76.92358) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.0005 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2013 | Year Completed estimated (2012-2013). ICD estimated from Google Maps linework. |
Columbia,
MD Howard Co. United States |
Trotter Rd. / South Wind Cir. (39.20956, -76.91891) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 23.1353 |
Other (At-Grade) Single-Lane |
1997 | Functional Class: Collector. Year Completed estimated (1993-2001). ICD estimated from Google Maps linework. |
Burtonsville,
MD Montgomery Co. United States |
Bentley Park Dr. / Saddle Creek Dr. (39.09674, -76.91863) |
Other Existing |
Unknown Unknown |
2 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Greenbelt,
MD Prince George's Co. United States |
Greenbelt Station Pkwy. / Stream Bank Ln. (39.00060, -76.91754) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
2014 | Crosswalks at yield line on all leg. Year Completed estimated (2013-2014). West leg opened 2016. |
Konterra,
MD Prince George's Co. United States |
Bentley Park Dr. / Parkgate Dr. (39.09112, -76.91733) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2015 | |
Greenbelt,
MD Prince George's Co. United States |
Greenbelt Station Pkwy. / S Center Dr. (39.00209, -76.91666) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2017 | |
Greenbelt,
MD Prince George's Co. United States |
Greenbelt Station Pkwy. / Stream Bank Ln. (39.00374, -76.91563) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
2017 | |
Fulton,
MD Howard Co. United States |
S Maple Lawn Blvd. / Eugene Ave. / Charles Way (39.14787, -76.91560) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2017 | |
Villa El Salvador,
Lima Province of Lima Peru |
Óvalo María Reiche (-12.23977, -76.91229) |
Unknown Existing |
Unknown Unknown |
3 Approaches 0 Driveways |
Other (At-Grade) Unknown |
||
Camp Springs,
MD Prince George's Co. United States |
Capital Gateway Dr. / Auth Rd. / Old Soper Rd. (38.82403, -76.91189) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Unstriped circulatory roadway. Year Completed estimated (1995-2001). |
Laurel,
MD Howard Co. United States |
Arden Ct. / Waterside Ct. / Scholars Ln. (39.13418, -76.91140) |
Other Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands on two legs. | |
Saint-Charles,
MD Charles Co. United States |
St Owen Ct. / Oyster Reef Pl. / Ottawa Park Pl. (38.58026, -76.91047) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2008 | |
Scaggsville,
MD Howard Co. United States |
MD 216 / Westside Blvd. (39.14796, -76.90977) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.6801 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | Series of 4 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. |
Camp Springs,
MD Prince George's Co. United States |
Telfair Blvd. / Midtown Square (38.82920, -76.90940) |
Other Existing |
Uncontrolled Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
Scaggsville,
MD Howard Co. United States |
Westside Blvd. / (parking lot) (39.14952, -76.90856) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.4909 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Scaggsville,
MD Howard Co. United States |
MD 216 / Maple Lawn Blvd. (39.14710, -76.90723) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 40.7543 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2005 | Series of 4 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. |
Scaggsville,
MD Howard Co. United States |
Maple Lawn Blvd. / Iager Blvd. (39.15816, -76.90440) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.3392 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2005 | ICD estimated from Google Maps linework. |
Scaggsville,
MD Howard Co. United States |
MD 216 / US 29 SB Ramps (39.14562, -76.90418) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.7228 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2001 | Series of 4 roundabouts. ICD estimated from Google Maps linework. |
Ellicott City,
MD Howard Co. United States |
Lancelot Cross / Butterfruit Way / Argent Path / Stardust Ln. (39.28522, -76.90384) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 57.9120 |
Other (At-Grade) Single-Lane |
1998 | Year Completed estimated (1993-2002). |
Greenbelt,
MD Prince George's Co. United States |
Cherrywood Ln. / Greenbelt Metro Dr. (39.00985, -76.90330) |
Roundabout Existing |
All-Way Yield Other |
3 Approaches 0 Driveways 24.1290 |
Other (At-Grade) Single-Lane |
2012 | Raised crosswalks. ICD estimated from Google Maps linework. |
West Friendship,
MD Howard Co. United States |
Castlebridge Rd. / Hunter's View Rd. (39.24552, -76.90189) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2006 | |
Scaggsville,
MD Howard Co. United States |
Maple Lawn Blvd. / Tawes St. (39.15364, -76.90125) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.2675 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2006 | ICD estimated from Google Maps linework. |
South Laurel,
MD Prince George's Co. United States |
Frost Pl. / (parking) (39.09016, -76.90091) |
Other Existing |
Unknown Unknown |
2 Approaches 1 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
Scaggsville,
MD Howard Co. United States |
Ice Crystal Dr. / Birchtree Ln. (39.14355, -76.89912) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.7147 |
Other (At-Grade) Single-Lane |
2003 | ICD estimated from Google Maps linework. |
Scaggsville,
MD Howard Co. United States |
MD 216 / US 29 NB Ramps / Ice Crystal Dr. (39.14476, -76.89799) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.7234 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2001 | Series of 4 roundabouts. ICD estimated from Google Maps linework. |
Greenbelt,
MD Prince George's Co. United States |
Golden Triangle Dr. / (parking) (38.99762, -76.89644) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
Harrisburg,
PA Dauphin Co. United States |
N 2nd St. / Kelker St. (40.27418, -76.89553) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.2880 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2022 | |
Manchester,
MD Carroll Co. United States |
Fridinger Mill Rd. / Millie Way / Hallie Ave. (39.67369, -76.89427) |
Other Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 24.3840 |
Other (At-Grade) Single-Lane |
Painted splitter islands on three legs; no splitter island on fourth leg. | |
Harrisburg,
PA Dauphin Co. United States |
N 2nd St. / Reily St. (40.27050, -76.89293) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.9456 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2022 | Year Completed estimated (2021-2022). |
Harrisburg,
PA Dauphin Co. United States |
N 2nd St. / Verbeke St. (40.26853, -76.89149) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.9456 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2022 | Year Completed estimated (2021-2022). |
Laurel,
MD Prince George's Co. United States |
W Side Blvd. / (parking) (39.08512, -76.89003) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Scaggsville,
MD Howard Co. United States |
Hopkins-Gorman Rd. / US 29 NB Ramps (39.15846, -76.88660) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 59.2695 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. |
Harrisburg,
PA Dauphin Co. United States |
N 7th St. / Reily St. (40.27393, -76.88481) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
2022 | |
Forestville,
MD Prince George's Co. United States |
Donnell Pl. (38.84109, -76.88405) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
Columbia,
MD Howard Co. United States |
Charter Dr. / (parking) (39.21273, -76.88310) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-Lane |
2013 | Converted from cul-de-sac. Year Completed estimated (2011-2014). |
Konterra,
MD Prince George's Co. United States |
Belle Chasse Blvd. / (parking) (west) (39.07512, -76.88073) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Konterra,
MD Prince George's Co. United States |
Belle Chasse Blvd. / Belle Chasse Blvd. (south) (39.07274, -76.88060) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Konterra,
MD Prince George's Co. United States |
Belle Chasse Blvd. / Belle Chasse Blvd. (southwest) (39.07731, -76.88037) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Columbia,
MD Howard Co. United States |
Harpers Farm Rd. / Campus Dr. (39.21534, -76.88023) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.4614 |
Other (At-Grade) Single-Lane |
2003 | Originally had 4 legs. ICD estimated from Google Maps linework. |
Konterra,
MD Prince George's Co. United States |
Belle Chasse Blvd. / (parking) (east) (39.07499, -76.87964) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Konterra,
MD Prince George's Co. United States |
Belle Chasse Blvd. / Belle Chasse Blvd. (north) (39.07820, -76.87960) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Konterra,
MD Prince George's Co. United States |
Belle Chasse Blvd. / Belle Chasse Blvd. (southeast) (39.07714, -76.87923) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Greenbelt,
MD Prince George's Co. United States |
Hanover Pkwy. / (unknown) (38.98589, -76.87602) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 24.3840 |
Other (At-Grade) Single-Lane |
2004 | Year Completed estimated (2002-2005). |
Southport,
NY Chemung Co. United States |
Rte 328 / Pennsylvania Ave. (42.03433, -76.87601) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7894 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
Brandywine,
MD Prince George's Co. United States |
MD 373 / Accokeek Rd. / MD 5 (Branch Ave.) SB On-Ramp (38.70076, -76.87599) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 39.6240 |
Freeway Ramps (Grade-Separated) Single-Lane |
2019 | MD 5 (Branch Ave.) was converted to limited access. https://www.thebaynet.com/articles/0419/newtrafficshiftstartsinbrandywineareathursday.html. |
Lower Allen,
PA Cumberland Co. United States |
Tisbury Circle (40.22128, -76.87520) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Ellicott City,
MD Howard Co. United States |
Coventry Court Dr. (39.27862, -76.87340) |
Other Existing |
Unknown Unknown |
2 Approaches 2 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
Greenbelt,
MD Prince Georges Co. United States |
Hanover Pkwy. / Village Park Dr. / Schrom Hills Community Park entrance (38.98378, -76.87333) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.4960 |
Other (At-Grade) Single-Lane |
1998 | Year Completed estimated (1994-2001). ICD estimated from Google Maps linework. |
Columbia,
MD Howard Co. United States |
Banneker Rd. / Cul-de-sac (39.21141, -76.87041) |
Traffic Calming Circle Existing |
Unknown Unknown |
3 Approaches 0 Driveways 17.5824 |
Other (At-Grade) Single-Lane |
Functional Class: Local ICD estimated from Google Maps linework. | |
Harrisburg,
PA Dauphin Co. United States |
Derry St. / Mulberry St. (40.26312, -76.86948) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2022 | https://theburgnews.com/news/project-to-make-harrisburgs-mulder-square-safer-greener-nears-completion |
Columbia,
MD Howard Co. United States |
Owen Brown Rd. / Martin Rd. (39.19989, -76.86930) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
2004 | Year Completed estimated (2002-2005). |
Hampstead,
MD Carroll Co. United States |
MD-30 (Hampstead Bypass) / Business MD 30 (Hanover Pike) (39.63466, -76.86675) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 49.6684 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | ICD estimated from Google Maps linework. |
Newport,
NC Carteret Co. United States |
White Sands Blvd. / Deer Run / Merry Woods Dr. (34.80021, -76.86634) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Hampstead,
MD Carroll Co. United States |
MD 30 (Hampstead Bypass) / MD 482 (Hampstead Mexico Rd.) (39.61108, -76.86457) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.3657 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | ICD estimated from Google Maps linework. |
Laurel,
MD Howard Co. United States |
Old Scaggsville Rd. / High Ridge Rd. / Running Deer Dr. (39.11815, -76.86396) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.7985 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
Spring Grove,
PA York Co. United States |
Rte. 116 (Hanover St.) / Roths Church Rd. / W. Hanover St. (39.88301, -76.86363) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.6567 |
Other (At-Grade) Single-Lane |
2007 | http://www.yorkdispatch.com/local/ci_6708523 ICD estimated from Google Maps linework. |
Summerfield,
MD Prince George's Co. United States |
Ridgefield Blvd. / Chatsfield Way / Valley Trail Ln. (38.89834, -76.86172) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
Laurel,
MD Prince George's Co. United States |
Montrose Ave. / Harrison Dr. (39.09979, -76.85955) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 24.3840 |
Other (At-Grade) Single-Lane |
2008 | Year Completed estimated (2007-2008). |
Southport,
NY Chemung Co. United States |
Pennsylvania Ave. / Rte 328 (SB Direction) (42.04228, -76.85541) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 39.0266 |
Other (At-Grade) Single-Lane |
2016 | Yield-controlled right-turn bypass lanes on north and west legs. Year Completed estimated (2013-2016). ICD estimated from Google Maps linework. |
Columbia,
MD Howard Co. United States |
Vantage Point Rd. (39.22074, -76.85392) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
Capitol Heights,
MD Prince George's Co. United States |
Hampton Park Blvd. (38.87175, -76.85022) |
Roundabout Existing |
All-Way Yield Unknown |
2 Approaches 0 Driveways 57.9120 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2007 | Yield signs but no entrance line or yield lines. |
Capitol Heights,
MD Prince George's Co. United States |
Ritchie Station Ct. / (mall circulation road) (38.86528, -76.84986) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2011 | Year Completed estimated (2010-2011). |
Glenarden,
MD Prince George's Co. United States |
Ruby Lockhart Blvd. / Evarts St. / Sir Michael Pl. (38.92506, -76.84953) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2011 | Double left-turn and double right-turn movements. |
Glenarden,
MD Prince George's Co. United States |
Campus Way N / McHugh Dr. (38.92127, -76.84944) |
Other Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Inside shopping center. No splitter islands on northwest and southeast legs. | |
Glenarden,
MD Prince George's Co. United States |
Campus Way N / Woodmore Center Dr. (38.92263, -76.84787) |
Other Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Inside shopping center. No splitter islands on northwest and southeast legs. | |
Columbia,
MD Howard Co. United States |
Stevens Forest Rd. / Farewell Rd. / Night Street Hill (39.20114, -76.84781) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2019 | |
Ritchie,
MD Prince Georges Co. United States |
Ritchie-Marlboro Rd. / I-95 SB Ramps (38.86894, -76.84738) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 770.9968 |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
2001 | Opening initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442 |