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| Street | Route | Places | Landmarks | Notes |
|---|---|---|---|---|
| Back River Neck Road | Old Eastern Avenue to Riverview Road | Essex | Rocky Point Park | One of the original boundaries of Essex. Continues north of Old Eastern as Stemmers Run Road. Part of route of bus routes 23, 55, and 160. |
| Baldwin Mill Road | Pleasantville Road to Maryland Route 23 (in Harford County) | Baldwin | ||
| Baltimore National Pike | Edmondson Avenue (in Baltimore City) to I-70 (in Howard County) | Catonsville | Westview Mall Patapsco State Park |
Part of US Route 40. Exit 15 off Baltimore Beltway. Part of route of Bus Routes 20 and 150. |
| Beaver Dam Road | Shawan Road to Padonia Road | Cockeysville | Oregon Ridge Park Gilroy Road Light Rail Stop Warren Road Light Rail Stop |
Part of a longer road that is made of Cuba Road, Beaver Dam Road, Deereco Road, and Greenspring Drive. |
| Beckleysville Road | Brick Store Road to Freeland Road | Beckleysville Middletown |
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| Belair Road | North Avenue (in Baltimore City) to Harford Road in Harford County, where US-1 splits into Baltimore Pike and Belair Bypass, both designated US-1. | Overlea Fullerton Perry Hall Kingsville |
Gunpowder Falls State Park | Part of US Route 1. Exit 32 off Baltimore Beltway. Part of route of Bus Routes 15 and 55. |
| Belfast Road | Falls Road to York Road | Butler Sparks |
Exit 24 off I-83 | |
| Bethlehem Boulevard | North Point Boulevard to Shipyard Road | Edgemere Sparrows Point |
Exit 43 off Baltimore Beltway | |
| Black Rock Road | Lower Beckleysville Road to Falls Road | |||
| Bloomsbury Avenue | Frederick Road to Rolling Road | Catonsville | Catonsville High School | Continues north of Frederick Road as Ingleside Avenue. Part of Bus Route 77. |
| Bonita Avenue | Owings Mills Boulevard to Worthington Avenue | Owings Mills | Was previously a longer road that ran from Reisterstown Road. In the 1980s, part of this road was converted into Owings Mills Boulevard. The southern portion was renamed from Bonita Ave to Goff Ln. | |
| Bosley Avenue | Fairmount Avenue to Towsontown Boulevard in Towson (semicircle) | Towson | Baltimore County Courthouse Northeast side of the Towson University campus |
South of Towsontown Boulevard (southern end), changes to W. Burke Avenue, and then at York Road changes to Burke Avenue a two-lane residential street that continues to the area of the Towson Marketplace and becomes Hillen Road and then Putty Hill Avenue. |
| Broening Highway | Baltimore Beltway to O'Donnell Street (in Baltimore City) | Dundalk | Dundalk Marine Terminal Maryland Transportation Authority headquarters |
Exit 44 off Baltimore Beltway |
| Burke Avenue | Towsontown Blvd to Hillen Rd | Towson | West of York Rd is technically W. Burke Avenue. | |
| Butler Road | Hanover Pike to Falls Road | Glyndon Butler |
Historic Glyndon township and rail station | Splits into Worthingon Avenue; at this point, turning left continues on Butler, and going straight goes onto Worthington, which leads to Greenspring Avenue |
Read more about this topic: List Of Roads In Baltimore County, Maryland