Roundabouts Database

29411 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
Marietta, PA
Lancaster Co.
United States 		W Market St. / S Gay St.
(40.05620, -76.55728) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
30.1671 		Other (At-Grade)
Single-Lane 		Stop control on Gay Street; yield control on Market Street. Parking within square. ICD estimated from Google Maps linework.
Parole, MD
Anne Arundel Co.
United States 		Housley Rd. / Gateway Village Dr. / Annapolis Ridge Rd.
(38.98793, -76.55715) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 Right-turn-only lanes on north and south legs. Year Completed estimated (1998-2002). Converted from unstriped two-lane roundabout in 2008-2009.
Huntingtown, MD
Calvert Co.
United States 		Queensberry Dr. / Carlon Ct. / Duchess Ln. / (unknown)
(38.58381, -76.55492) 		Other
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Prince Frederick, MD
Calvert Co.
United States 		Oakland Hall Rd. / Abbott Ln. / Bunker Hill Rd.
(38.50147, -76.55177) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2014-2015).
Huntingtown, MD
Calvert Co.
United States 		Huntsman Dr. / Horse Pen Run / Hardesty Rd.
(38.57357, -76.54875) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Deale, MD
Anne Arundel Co.
United States 		MD 256 / MD 258
(38.79327, -76.54586) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
34.4423 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
(unincorporated), MD
Anne Arundel Co.
United States 		Arundel Beach Rd. / Leelyn Dr.
(39.07955, -76.54560) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9594 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Fleming, NY
Cayuga Co.
United States 		W Lake Rd. / White Bridge Rd. / Lake Ave. / Sand Beach Rd. / (park access)
(42.90470, -76.54446) 		Rotary
Existing 		Other
None 		5 Approaches
0 Driveways
109.7280 		Other (At-Grade)
Single-Lane 		Mixture of Yield and Stop signs.
Annapolis, MD
Anne Arundel Co.
United States 		Bywater Rd.
(38.96731, -76.52788) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Gloucester, VA
Gloucester Co.
United States 		W Main St. / Waltons Ln. / Fox Centre Pkwy.
(37.39841, -76.52674) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.9525 		Other (At-Grade)
Single-Lane 		2005 West of Route 17, near Walmart and Home Depot retail. ICD estimated from Google Maps linework.
California, MD
St. Mary's Co.
United States 		FDR Blvd. / Old Rolling Rd.
(38.29057, -76.51176) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2015-2020).
Dundalk, MD
Baltimore Co.
United States 		Dundalk Ave. / Sollers Point Rd.
(39.24534, -76.50786) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.9734 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Newport News, VA
Newport News City
United States 		Siemens Way / McManus Blvd.
(37.13199, -76.50734) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018).
Saint Leonard, MD
Calvert Co.
United States 		Calvert Beach Rd. / MD 765 Saint Leonard Rd.
(38.47316, -76.50607) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.2460 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Annapolis, MD
Anne Arundel Co.
United States 		Gateway Circle [MD 450 (West St.) / Taylor Ave. / Spa Rd.]
(38.97630, -76.50486) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1999 Elliptical shaped. ICD = 180 ft x 160 ft. Opened December 1999.
California, MD
St. Mary's Co.
United States 		FDR Blvd. / Kinnegad Dr. / Castletown Way
(38.28887, -76.50263) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2013-2019).
Ithaca, NY
Tompkins Co.
United States 		Spencer St. / Elmira Rd. / Park St. / Albany St.
(42.43167, -76.50152) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
34.3790 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Suffolk, VA

United States 		Governors Pointe Dr. / Tindalls Ct. / Wentworth Ct.
(36.89513, -76.49969) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
24.8338 		Other (At-Grade)
Single-Lane 		2004 No splitter islands. ICD estimated from Google Maps linework.
South Hill, NY
Tompkins Co.
United States 		Alumni Cir. / Conservatory Dr. / Grant Egbert Blvd.
(42.42153, -76.49961) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Stop control on circulatory roadway.
California, MD
St. Mary's Co.
United States 		Amber Dr. (FDR Blvd.) / Athlone Dr. / Meath Rd.
(38.28865, -76.49920) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2013-2019).
Annapolis, MD
Anne Arundel Co.
United States 		Church Circle
(38.97848, -76.49269) 		Other
Existing 		Unknown
Unknown 		7 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (3+ Lane)
Newport News, VA
Newport News Co.
United States 		Avenue of the Arts / University Pl. / Shoe Ln.
(37.06211, -76.49220) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4977 		Other (At-Grade)
Single-Lane 		2005 Christopher Newport University entrance. ICD estimated from Google Maps linework.
Annapolis, MD
Anne Arundel Co.
United States 		State Circle
(38.97890, -76.49063) 		Other
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Maryland State House in central island.
California, MD
St. Mary's Co.
United States 		Saint Georges Hundred / Saint Johns Cir. / Saint Michaels Cir.
(38.27383, -76.48964) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Rossville, MD
Baltimore Co.
United States 		Franklin Square Dr. / Upton Cir.
(39.35121, -76.48864) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Newport News, VA

United States 		Thomas Wolfe St. / Phillip Roth St.
(37.08515, -76.48840) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.1970 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Yorktown, VA
York Co.
United States 		Market St. / Laydon Way / Peyton Randolph Dr. / Ellery St.
(37.19264, -76.48809) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2014
Annapolis, MD
Anne Arundel Co.
United States 		Main St. / Randall St.
(38.97746, -76.48722) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Newport News, VA

United States 		Walt Whitman Ave. / Nat Turner Blvd.
(37.08250, -76.48679) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.7255 		Other (At-Grade)
Single-Lane 		2003 Functional Class: Local ICD estimated from Google Maps linework.
Collegetown, NY
Tompkins Co.
United States 		College Ave. / Oak Ave.
(42.44258, -76.48522) 		Unknown
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Year Completed estimated (2021-2022).
Perry Hall, MD
Baltimore Co.
United States 		Seven Courts Dr. / Proctor Ln.
(39.41060, -76.48483) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2008).
Newport News, VA

United States 		Walt Whitman Ave. / Mark Twain St. S
(37.07856, -76.48437) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
23.8212 		Other (At-Grade)
Single-Lane 		2004 Functional Class: Local ICD estimated from Google Maps linework.
Annapolis, MD
Anne Arundel Co.
United States 		King George St. / Turner Joy Rd. / Brownson Rd.
(38.97776, -76.48280) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		On campus of US Naval Academy.
Newport News, VA

United States 		Thimble Shoals Dr. / Town Center Dr.
(37.08524, -76.47594) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
33.3467 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 ICD estimated from Google Maps linework.
Lexington Park, MD
St. Mary's Co.
United States 		Columbus Dr. / Shining Willow Ln. / Creeping Primrose Ln.
(38.26133, -76.46983) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Newport News, VA
Newport News Co.
United States 		Villa Rd. / James River Dr. / Botetourt Rd.
(37.03740, -76.46883) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.2278 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Suffolk, VA
Suffolk City
United States 		Meadow View Blvd. / Meridian Pl. / Vineyard Pl.
(36.85508, -76.46192) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Suffolk, VA
Suffolk City
United States 		Island Park Circle
(36.84622, -76.46002) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Kingsville, MD
Baltimore Co.
United States 		MD 147 (Harford Rd.) / Glen Arm Rd. / Mt Vista Rd.
(39.46045, -76.45652) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0397 		Other (At-Grade)
Single-Lane 		2018 https://www.baltimoresun.com/maryland/harford/aegis/ph-ag-harford-road-roundabout-20180102-story.html ICD estimated from Google Maps linework.
Solomons, MD
Calvert Co.
United States 		Farren Ave. / Charles St.
(38.31939, -76.45267) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2008 Painted splitter islands. Year Completed estimated (2007-2009).
Lebanon, PA
Lebanon Co.
United States 		SR 241 (Colebrook Rd.) / Rocherty Rd.
(40.30208, -76.44978) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://lebtown.com/2021/10/11/3-4-million-roundabout-project-to-open-this-week-on-colebrook-road/
Lusby, MD
Calvert Co.
United States 		HG Trueman Rd. (MD 765) / / Southern Connector Blvd.
(38.36413, -76.44936) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.6319 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Looks like it's being finished up in Oct 2008 on streetview. ICD estimated from Google Maps linework.
Suffolk, VA

United States 		Plummer Blvd. / Belle Orchard Ln.
(36.86074, -76.44528) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.8677 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 ICD estimated from Google Maps linework.
Essex, MD
Baltimore Co.
United States 		Brett Ct.
(39.32297, -76.44461) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Perry Hall, MD
Baltimore Co.
United States 		Scott Moore Way / Honeygo Center Dr.
(39.40491, -76.44142) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island.
Perry Hall, MD
Baltimore Co.
United States 		E Joppa Rd. / Scott Moore Way / Cowenton Ave.
(39.40290, -76.44124) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2008 Right-turn bypass lane on west leg.
Essex, MD
Baltimore Co.
United States 		Southeast Blvd. (MD 702) / Hyde Park Rd.
(39.29884, -76.43951) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.6663 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Built as temporary installation, then converted to permanent design. ICD estimated from Google Maps linework.
Suffolk, VA

United States 		Bon Secours Dr. / Harbour Towne Pkwy.
(36.86884, -76.43764) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.3526 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Pasadena, MD
Anne Arundel Co.
United States 		Pinehurst Harbour Way
(39.12192, -76.43538) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Suffolk, VA
Suffolk City
United States 		Bridgeway Dr.
(36.89212, -76.43387) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Lusby, MD
Calvert Co.
United States 		Rousby Hall Rd. (MD 760) / Southern Connector Blvd. / Olivet Rd.
(38.35629, -76.43310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5256 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2007). ICD estimated from Google Maps linework.
Suffolk, VA
Suffolk City Co.
United States 		College Dr. / Harbour View Dr. / Armistead Rd.
(36.89493, -76.43239) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
66.8605 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 https://www.clarknexsen.com/project/college-drive-roundabout-suffolk-va/. ICD estimated from Google Maps linework.
Perry Hall, MD
Baltimore Co.
United States 		Georgia Belle Dr. / Fragrence Way / Harcrest Way
(39.40467, -76.42700) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
4 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Suffolk, VA

United States 		Burbage Dr. / (unknown)
(36.87893, -76.42211) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.4996 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 Concentric circulatory roadway striping. ICD estimated from Google Maps linework.
Lexington Park, MD
St. Marys Co.
United States 		Tate Rd. / Shaw Rd.
(38.26955, -76.42012) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.8809 		Other (At-Grade)
Single-Lane 		2005 Y-shaped with right-turn bypass lanes. ICD estimated from Google Maps linework.
Mountville, PA
Lancaster Co.
United States 		Landing Cir. / Timber Dr.
(40.03179, -76.41892) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Suffolk, VA

United States 		University Blvd. / Prices Fork Blvd.
(36.87088, -76.41873) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.3517 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
North Harford, MD
Harford Co.
United States 		MD 165 / MD 24
(39.67220, -76.40930) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.1750 		Other (At-Grade)
Single-Lane 		2000 Rural Previously controlled by two-way stop ICD estimated from Google Maps linework.
White Marsh Station, MD
Baltimore Co.
United States 		Carrington Dr. / Jerome Ave.
(39.40574, -76.40236) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Hampton, VA

United States 		Exploration Way / Floyd Thompson Dr.
(37.08245, -76.39976) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1119 		Other (At-Grade)
Single-Lane 		2004 Functional Class: Local ICD estimated from Google Maps linework.
Pleasant Hills, MD
Harford Co.
United States 		Fallston Blvd.
(39.49526, -76.38632) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Bel Air North, MD
Harford Co.
United States 		Red Pump Rd. / Yankee Doodle Dr.
(39.54551, -76.37994) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2010
Hampton, VA
Hampton City
United States 		Langley Blvd. / E Durant St. / Lindbergh Way
(37.08956, -76.37895) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 Fishhook arrows on approach and within circulatory roadway. Year Completed estimated (2014-2016).
Bel Air, MD
Harford Co.
United States 		Old Joppa Ct. / Hoskins Terrace
(39.51380, -76.37506) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2014-2017).
East Hempfield Township, PA
Lancaster Co.
United States 		Running Pump Rd. / Old Tree Dr. / Noll Dr.
(40.04900, -76.37351) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.3708 		Other (At-Grade)
Single-Lane 		2019 https://lancasteronline.com/news/local/roundabouts-to-open-in-lancaster-county-next-week-how-popular/article_b5feba16-e617-11e9-895e-43afa2169002.html ICD estimated from Google Maps linework.
Frogtown, MD
Harford Co.
United States 		Mardic Dr. / Willrich Ct.
(39.57178, -76.37160) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.3011 		Other (At-Grade)
Single-Lane 		2001 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Forest Hill, MD
Harford Co.
United States 		MD 23 / Commerce Rd.
(39.57390, -76.37067) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2008 On August 9, 2008 a new roundabout opened on Maryland Route 23 and an extended Commerce Drive in Forest Hill (Harford County), Maryland. It was built by a private developer to improve access to the Forest Hill Industrial Park by using Route 23, a limited access highway, rather than the current access road to Commerce Drive, Jarrettsville Road, which is primarily a residential route.
Bel Air, MD
Harford Co.
United States 		English Manor Ln. / Squire Ln. / Canterbury Rd.
(39.52643, -76.36371) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Hertford, NC
Perquimans Co.
United States 		SR 1336 (Harvey Point Rd.) / Goose Nest Ln.
(36.10580, -76.35845) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.4571 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
Hickory, MD
Harford Co.
United States 		Water Tower Way / Granary Rd.
(39.56845, -76.35713) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.0960 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Bel Air North, MD
Harford Co.
United States 		Water Tower Way / Bynum Rd.
(39.56671, -76.35712) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2019 http://harfordcountymd.gov/ArchiveCenter/ViewFile/Item/1683
Chesapeake, VA
Chesapeake City
United States 		Olmstead St. / Mill Creek Pkwy.
(36.72423, -76.35702) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on two legs.
Chesapeake, VA
Chesapeake City
United States 		Mill Creek Pkwy. / Mercantile St.
(36.72877, -76.35389) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2008-2010). Markings added 2011-2014.
Bel Air, MD
Harford Co.
United States 		Tollgate Rd. / Marketplace Dr.
(39.52092, -76.35262) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.5602 		Other (At-Grade)
Single-Lane 		1996 Three leg, off-set roundabout - off-set due to lack of r/w on top side of Functional Class: Collector ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States 		Tollgate Rd. / Macphail Rd.
(39.51959, -76.35208) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.8120 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2012
Langley Air Force Base, VA
Hampton City
United States 		Dodd Blvd. / Hammond Ave. / N King St.
(37.07420, -76.35058) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)
Portsmouth, VA

United States 		Hartford St. / Park Rd.
(36.84064, -76.35030) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.4982 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Portsmouth, VA

United States 		Greenwood Dr. / McLean St.
(36.80493, -76.34554) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.9943 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 ICD estimated from Google Maps linework.
Bel Air South, MD
Harford Co.
United States 		S Tollgate Rd. / W Ring Factory Rd.
(39.50873, -76.34550) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
28.5652 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2007). ICD estimated from Google Maps linework.
Bel Air North, MD
Harford Co.
United States 		Moores Mill Rd. / Southampton Rd.
(39.54847, -76.33536) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.6279 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Bel Air South, MD
Harford Co.
United States 		S Tollgate Rd. / Plumtree Rd.
(39.50070, -76.33349) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
31.3332 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Joppa, MD
Harford Co.
United States 		Trimble Rd. / Fort Hoyle Rd.
(39.41183, -76.33325) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2013).
Peach Bottom, PA
York Co.
United States 		SR 851 / SR 74
(39.74695, -76.33116) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.7316 		Other (At-Grade)
Single-Lane 		2008 Skewed intersection. ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States 		Tollgate Rd. / Wheel Rd.
(39.48999, -76.32914) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.5729 		Other (At-Grade)
Single-Lane 		1999 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Abingdon, MD
Harford Co.
United States 		Tollgate Rd. / Montrose Way
(39.48198, -76.32751) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.5762 		Other (At-Grade)
Single-Lane 		2003 Elementary school and library to north, another school to south. Functional Class: Collector ICD estimated from Google Maps linework.
Abingdon, MD
Harford Co.
United States 		Tollgate Rd. / Singer Rd.
(39.47828, -76.32727) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8121 		Other (At-Grade)
Single-Lane 		1998 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States 		Moores Mill Rd. / Brushing Ln.
(39.54368, -76.32365) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.6298 		Other (At-Grade)
Single-Lane 		2001 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States 		Tollgate Rd. / Westover Ln. / Crisfield Dr.
(39.46859, -76.32162) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.7377 		Other (At-Grade)
Single-Lane 		2002 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States 		Constant Friendship Blvd. / BJ's
(39.45546, -76.31870) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
29.5092 		Other (At-Grade)
Single-Lane 		1995 Functional Class: Local ICD estimated from Google Maps linework.
Abingdon, MD
Harford Co.
United States 		Laurel Bush Rd. / E Wheel Rd.
(39.49411, -76.31652) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011).
Lititz, PA
Lancaster Co.
United States 		W 6th St. / Woodcrest Ave.
(40.14491, -76.31435) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020
Lancaster, PA
Lancaster Co.
United States 		(circulation road within The Shoppes at Belmont) / (entrance road)
(40.06707, -76.31415) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2016-2018).
Stevensville, MD
Queen Annes Co.
United States 		Thompson Creek Rd. / US 50 EB Ramps
(38.97599, -76.31046) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
16.7127 		Freeway Ramps (Grade-Separated)
Single-lane w/ Traversable Central Island 		2007 Mini-roundabout. ICD estimated from Google Maps linework.
Bel Air South, MD
Harford Co.
United States 		Woodsdale Rd. / Box Hill Corporate Center Dr. / (parking)
(39.46498, -76.31016) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2013-2015).
Abingdon, MD
Harford Co.
United States 		Merchants Blvd. / Wegmans Blvd.
(39.46815, -76.30901) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.5039 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Fountain Green, MD
Harford Co.
United States 		Prospect Mill Rd. / Wagner Rd.
(39.55824, -76.30247) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.3072 		Other (At-Grade)
Single-Lane 		2002 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 Functional Class: Collector ICD estimated from Google Maps linework.
Bel Air South, MD
Harford Co.
United States 		Abingdon Rd. / Dunbarton Dr. / Box Hill S Pkwy.
(39.47491, -76.30092) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
25.8134 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2007). ICD estimated from Google Maps linework.
Lancaster, PA
Lancaster Co.
United States 		N Plum St. / E New St. / Park Ave.
(40.04975, -76.29905) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
100.5667 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2019 https://fox43.com/2019/06/12/mini-roundabout-causes-some-confusion-for-drivers-in-lancaster/ ICD estimated from Google Maps linework.
Bel Air South, MD
Harford Co.
United States 		Laurel Bush Rd. / Falkland Dr. / Dowers Rd.
(39.48330, -76.29847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2013-2017).
Portsmouth, VA
N/A Co.
United States 		Crawford St. / Bart St.
(36.83202, -76.29770) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.8849 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.