Intersections

Roundabouts on the Maryland State Highway System
(Last updated August, 2005)

Anne Arundel County (9)
MD 2 @ MD 408/ MD 422
MD 450 @ Taylor Avenue/Spa Road 
MD 32 @ Airfield Road Interchange (2 roundabouts)
MD 32 Ramps @ Guilford Rd.
MD 32 @ Samford Rd. Interchange
MD 295 @ Arundel Mills Rd. Interchange (2 roundabouts)
MD 175 @ MD 677/Sappington Station Rd.

Baltimore County (3)
MD 45 (York Rd.) @ MD 146 (Dulaney Valley Rd.)/Joppa Rd./Allegheny Ave.
MD 139 (Charles St.) @ Bellona Ave./Ramp to I–695
MD 372 @ Hilltop Road/Entrance to UMBC

Calvert County (1)
MD 765 @ Calvert Beach Road

Carroll County (3)
MD 140 @ MD 832/Antrim Boulevard
MD 88 @ MD 833/Lower Beckleysville Road
MD 97 @ MD 850

Cecil County (2)
MD 213 @ Leeds Road/Elk Mill Road
MD 273 @ MD 276

Frederick County (5)
MD 17 @ ‘B’ Street/Maryland Avenue
MD 17 @ MD 180
MD 80 @ Sugarloaf Parkway
MD 355 Relocated @ Sugarloaf Parkway
MD 355 @ Sprigg Street

Harford County (2)
MD 7 @ Holly Oaks Drive
MD 165 @ MD 24

Howard County (10)
MD 94 @ MD 144
MD 94 @ Old Frederick Road
MD 100 @ MD 103 Interchange (2 roundabouts)
MD 100 @ Snowden River Parkway Interchange
MD 100 @ MD 104 Interchange
US 29 @ MD 216 Interchange (2 Roundabouts) 
US 29 @ Hopkins–Gorman Road Interchange
MD 216 @ Maple Lawn Boulevard

Kent County (2)
US 301 @ MD 291 Interchange (2 Roundabouts)

Prince George’s County (6)
US 1 @ 34th Street/Perry Street
MD 193 @ Oak Grove Rd.
MD 637 @ Good Hope Ave.
MD 637 @ Oxon Run Dr.
I–95 @ Ritchie–Marlboro Road Interchange (2 roundabouts)

Queen Anne's County (1)
MD 18 @ Castle Marina Road

Washington County (2)
MD 63 @ MD 58/Cearfoss Pike
MD 66 @ Mt. Aetna Road

< Back