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U.S. Route 1 north - Baltimore to Pennsylvania line
U.S. Route 1, as North Avenue, passes under Interstate 83 (Jones Falls Expressway) at its exit 6 in the city of Baltimore, just north of the central business district, headed due east. (1-15-2025)
Passing over the Baltimore Light RailLink as well as freight trackage, US 1 nears an intersection with Howard Street. (1-15-2025)
US 1 reassurance is posted along the bridge. (1-15-2025)
Just to the south, Howard Street has a low passage under Mount Royal Avenue with a 13-foot vertical clearance. (1-15-2025)
Then, the route reaches Charles Street, the dividing line between west and east Baltimore. This point is also the northern terminus of Maryland Route 2, Maryland's longest state route at 80 miles in length, which goes to the Calvert County town of Solomons by way of Glen Burnie and state capital Annapolis. (1-15-2025)
North and Howard intersect just north of the Light Rail's Mount Royal/MICA station on the opposite side of I-83. The Light Rail itself runs over top of Howard Street to the area of Camden Yards. (1-15-2025)
The next light is at southbound-only Maryland Avenue which runs from Wyman Park to Madison Street near Baltimore's iteration of the Washington Monument. (1-15-2025)
St. Paul Street, again southbound-only, is intersected next. (1-15-2025)
Calvert Street, seen here, is the northbound complement to St. Paul. (1-15-2025)
The route goes on past penthouse rowhomes to the right. (1-15-2025)
The subsequent Greenmount Avenue intersection is the southern terminus of Maryland Route 45, formerly U.S. Route 111. (1-15-2025)
The route reaches Homewood Avenue at the Greenmount Cemetery. (1-15-2025)
Aisquith Street leads northeast from here to 25th Street and due south to Biddle Street. (1-15-2025)
At the Eastside District Court, US 1 reaches Maryland Route 147, Harford Road. MD 147 goes through northeast Baltimore and Parkville and ends up back at US 1 in Benson, southwest of Bel Air in Harford County. MD 147 is the only Maryland state route to be present in both jurisdictions. (1-15-2025)
The route meets Bond Street at the next light. (1-15-2025)
Broadway links this part of the city to Fells Point. (1-15-2025)
Wolfe Street, which becomes 25th to the north, leads south to the Johns Hopkins hospital. (1-15-2025)
A block to the east is Washington Street, which turns into the Alameda to the north. (1-15-2025)
The route then meets Chester Street. (1-15-2025)
A shield to the right states US 1 is about to divert to the left. (1-15-2025)
The final signal before the turnoff is Patterson Park Avenue. (1-15-2025)
North Avenue now comes across an intersection with Belair Road and Gay and Port streets. Gay Street heads southwest toward Old Town Mall. Due to the east is the Baltimore Cemetery. (1-15-2025)
The route meets Sinclair Lane at a traffic signal before passing under the Baltimore Terminal Subdivision. (6-15-2024)
US 1 is now running northeast along Belair Road, and will maintain this orientation to well outside of Baltimore city limits. (6-15-2024)
A 30 MPH speed limit and US 1 shield are affixed to a light pole just past Ravenwood Avenue. (6-15-2024)
Seen at left is Clifton Park, while rowhomes line the right side of the street. (6-15-2024)
Past Elmley Avenue, the route eases downhill. (6-15-2024)
US 1 now encounters Erdman Avenue. At left, it runs along the northeast side of Clifton Park to Harford Road. At right, it becomes Maryland Route 151 and makes its way through Dundalk and Edgemere in southeast Baltimore County, coming to an end at Sparrows Point. There is also a truck route of U.S. Route 40 that turns right from Belair Road onto Erdman here. (6-15-2024)
The next signal is at Lake Avenue. (6-15-2024)
While going downhill toward Herring Run Park, US 1 meets Chesterfield Avenue. (6-15-2024)
The route reaches the bottom of the hill and crosses a pedestrian trail and Herring Run, a tributary of the Back River. (6-15-2024)
US 1 then climbs back uphill, cresting at Seidel Avenue. (6-15-2024)
Now in the Frankford neighborhood, US 1 intersects Moravia Road. At left, it leads to Harford Road where it becomes Cold Spring Lane. At right, Moravia runs southeast to interstates 895 and 95 and also has access to US 40. (6-15-2024)
Another 30 MPH sign is posted at Southern Avenue. (6-15-2024)
The route then intersects Woodlea Avenue at the renowned Woodlea Bakery. (6-15-2024)
Frankford Avenue, intersected here, is the main drag through Frankford. (6-15-2024)
At Berger Avenue there is another hillcrest. (6-15-2024)
US 1 then meets another northeast Baltimore arterial, Hamilton Avenue. (6-15-2024)
A US 1 shield without directional banner is situated after Hamilton. (6-15-2024)
Making its way into the Cedmont neighborhood, the route intersects Parkmont Avenue. (6-15-2024)
The next signal is at Kenwood Avenue, which goes east into Baltimore County, to the Linhigh area of Overlea. (6-15-2024)
Fleetwood Avenue is US 1's final signal in Baltimore city. (6-15-2024)
At Maple Avenue (right) and Northern Parkway (left), US 1 leaves the city and enters Baltimore County. Northern Parkway is a well-known local arterial running east-west across the width of the city; its west end is at Liberty Heights Avenue in northwest Baltimore. (6-15-2024)
Entering Overlea, the route intersects the namesake Overlea Avenue. (6-15-2024)
After the Willow Avenue intersection, the route goes steeply downhill. (6-15-2024)
The next two signals are respectively at Taylor and Fullerton avenues. Taylor Avenue acts as a link between Overlea and the south side of Towson, via Parkville. (6-15-2024)
The Taylor Avenue light is seen here. (6-15-2024)
This is followed by US 1 reassurance. Now out of Baltimore city limits, the State Highway Administration is responsible for maintaining US 1 at this point. (6-15-2024)
Thorncliff Lane, at right, leads to a section of Linhigh Avenue. (6-15-2024)
US 1 intersects Fowler Avenue as it approaches its interchange with Interstate 695. (6-15-2024)
The final intersection prior to I-695 is Overton Avenue. (6-15-2024)
I-695 (Baltimore Beltway) has control cities of Towson and Essex at this interchange. In the absence of a Patapsco River crossing, it has termini at Sparrows Point, clockwise from here, and Hawkins Point counterclockwise. (6-15-2024)
US 1 crosses over the Beltway here. (6-15-2024)
The cloverleaf ramp to the outer loop toward Towson then branches off. (6-15-2024)
The first intersection after I-695 is Lincoln Avenue. (6-15-2024)
Traffic from the outer loop of 695 comes in at right along with US 1 reassurance. (6-15-2024)
Now in Fullerton, US 1 approaches Rossville Boulevard. There is a notation indicating its access to Franklin Square Hospital. (6-15-2024)
Going uphill, the route then nears Putty Hill Avenue (left) and Ridge Road (right). (6-15-2024)
Intersected here is a disjoint section of Putty Hill that stops at Walther Boulevard just to the west. It then picks up where Rossville Boulevard leaves off and runs through Parkville and Towson. (6-15-2024)
The route then goes downhill at 40 miles per hour. (6-15-2024)
Then, it crosses over Maryland Route 43 (White Marsh Boulevard) before meeting Wholesale Club Drive at a traffic signal. (6-15-2024)
A ramp to westbound MD 43 leading to the outer loop of I-695 sits ahead. (6-15-2024)
Opposite the MD 43 ramp, US 1 intersects Dunfield Road, a connector to Walther Boulevard. (6-15-2024)
After that, the highway intersects Klosterman Avenue. (6-15-2024)
US 1 goes downhill again and nears Olde Forge Lane. (6-15-2024)
Approaching Necker Avenue, US 1 enters Perry Hall. (6-15-2024)
As it starts to go back uphill, the route has a signal at Slater Avenue. (6-15-2024)
Silver Spring Road is intersected at the subsequent signal. (6-15-2024)
Beginning just to the northwest at Joppa Road, Silver Spring Road is a residential arterial that has access to the White Marsh Mall via Perry Hall and Honeygo boulevards. It dead-ends just west of I-95, then resumes east of the Interstate and runs to Maryland Route 7 (Philadelphia Road). (6-15-2024)
There is US 1 reassurance following Silver Spring. (6-15-2024)
There is US 1 reassurance following Silver Spring. (5-18-2026)
Easing downward, the route intersects Raab Avenue. (5-18-2026)
The following intersection is Blakely Avenue. (5-18-2026)
At a hillcrest soon afterward sits a traffic signal at the entrance to the Perry Hall Centre. (5-18-2026)
The next light is at Ebenezer Road (right) and the western segment of Joppa Road (left), which leads to Parkville and Towson. (5-18-2026)
Intersected opposite the eastern leg of Joppa Road is India Avenue. From here, Joppa Road goes through far-eastern Perry Hall, skirts White Marsh to the north and ends at MD 7. (5-18-2026)
Continuing northeast through Perry Hall (technically a part of Nottingham at this point), US 1 intersects the residential streets Farmside Drive (left, leading into Cedarside Farm) and Soth Avenue (right). (5-18-2026)
This overhead signal warns of the approaching Perry Hall fire station, officially Baltimore County's Station 55. Unlike surrounding counties like Carroll and Harford, Baltimore County has a paid countywide system of fire departments rather than volunteers. (5-18-2026)
The next street intersected is Halbert Avenue. (5-18-2026)
Subsequently, a traffic signal appears at Klausmier Road near the auto shop of the Klausmeier family, members of whom include Baltimore County Executive Kathy Klausmeier, and former NASCAR crew chief Johnny. (5-18-2026)
Horn Avenue is intersected next on the right. (5-18-2026)
Baker Lane (left) and Chapel Road (right) are met at the next traffic signal. (5-18-2026)
Chapel Road leads from here southeast back to Joppa Road. (5-18-2026)
More US 1 reassurance sits at a traffic signal at the Perry Hall Marketplace. (5-18-2026)
A disjoint western section of Forge Road is intersected soon afterward. (5-18-2026)
US 1 then makes its way downhill toward the northern end of Honeygo Boulevard. (5-18-2026)
The route curves slightly, then prepares to intersect Arena Road. (8-14-2023)
As the route then dips downward into some trees, the speed limit is still 50. (8-14-2023)
US 1 now approaches a crossroads with Poole Road, one of the residential roads in the Dublin area. (8-14-2023)
Poole Road goes northwest back to MD 136, and southeast to Trappe Church Road. (8-14-2023)
The route then reaches the other end of Arena Road. (8-14-2023)
US 1's next intersection is with Hughes Road. (8-14-2023)
A wide curve to the right follows. (8-14-2023)
The highway then passes the Emma Rockey Park at left, and the Darlington Meadows mobile home park to the right. (8-14-2023)
US 1 now approaches the eastern terminus of Maryland Route 440 (Dublin Road). (8-14-2023)
Drivers have to deal with another curve prior to reaching MD 440. (8-14-2023)
From here, MD 440 backtracks west to Dublin proper, where it meets MD 136, and out to MD 543 in the Ady area. (8-14-2023)
The intersection is located near the end of the curve. (8-14-2023)
Subsequently, US 1 straightens out and passes a defunct State Highway Administration building at left. (8-14-2023)
The highway curves slightly again, then prepares to intersects Cedar Church Road. (8-14-2023)
It then comes up on Smith Road, which leads northward to the Glen Cove Marina. (8-14-2023)
A ground-level variable message sign is then located at right. (8-14-2023)
The next road intersected is Berkley Road, which follows the same path as Smith Road to Glen Cove. (8-14-2023)
This is followed by another curve to the right, this one wider than the previous. (8-14-2023)
The highway eases downward as a green sign to the right announces an approaching weigh station, which was closed when these photos were taken. (8-14-2023)
US 1 now approaches a junction with Maryland Route 161 (Darlington Road). (8-14-2023)
As US 1 curves to the left, there is a "TO MD 161" marker, although MD 161 officially begins here. It runs southward through Darlington and out to Maryland Route 155 in the Level area northwest of Havre de Grace, in the process crossing Deer Creek and running just west of Susquehanna State Park. (8-14-2023)
Contradicting the previous sign, the next sign for the weigh station states it is open. (8-14-2023)
US 1 is now approaching a traffic signal at Maryland Route 623 (Castleton Road). (8-14-2023)
As they were at MD 161, Susquehanna State Park and Havre de Grace's historic district are both at right up ahead. (8-14-2023)
Despite mostly running north-south in its 7 miles and change, MD 623 is signed east-west. At right, it goes a short distance to an end at MD 161, while in the other direction, it runs parallel to the Susquehanna into Peach Bottom Township, York County in Pennsylvania as Flintville Road. (8-14-2023)
A US 1 reassurance shield follows the MD 623 signal, which is the final one in Harford County. (8-14-2023)
The weigh station is ahead at left. (8-14-2023)
US 1 will now dip sharply downward, then back uphill as it makes its approach to the Conowingo Dam. (8-14-2023)
The hillcrest can be seen feet ahead. (8-14-2023)
The right lane that formed for slow traffic along the hill ends ahead. However, the highway will have to navigate another hill before it reaches the dam. (8-14-2023)
An overhead VMS sits above the highway prior to its next descent. (8-14-2023)
The speed limit through the area is 40 miles per hour, with a 35 MPH limits for trucks. (8-14-2023)
As US 1 goes downhill again, interests to historic areas of Port Deposit in Cecil County are instructed to turn right (south) onto Maryland Route 222 on the other side of the dam. (8-14-2023)
Shuresville Road is the final road intersected in Harford County. It goes back around to Darlington, while also accessing via Shures Landing Road the Conowingo Fisherman's Park, a popular regional sighting spot for bald eagles. (8-14-2023)
Because large trucks are prohibited through Port Deposit, a truck route involving Maryland Route 276 (as well as Maryland Route 275) to the east exists for such traffic bound for the corridors of Interstate 95 or U.S. Route 40. Previously marked as MD 222 Truck, it no longer bears a formal state highway designation and there are instead simple "TO 95/40" shields. (8-14-2023)
At the second hillcrest, there is a sign with flashers warning of the potential for ice on the roadway, especially in the winter months. (8-14-2023)
There is a pedestrian crossing and a sharp curve to the left right before the dam begins. (8-14-2023)
The curve and river valley are seen here. (8-14-2023)
The Conowingo Dam runs across the Susquehanna River between Harford and Cecil counties, and US 1 uses it to cross between them. The dam also incorporates a hydroelectric power plant on the Harford side (seen here), offices for which are accessed from the Fisherman's Park down below. It is the Susquehanna's third-southernmost road crossing and fifth-southernmost overall, when accounting for two train bridges between Havre de Grace and Perryville downstream. (8-14-2023)
The highway gets past the power plant, and there is now a view of the river looking south (right). The I-95 (Tydings) bridge can be seen from here on good-weather days. (8-14-2023)
Nearing the northeast (Cecil) end of the dam, there is another 30 MPH curve to the left. (8-14-2023)
At the end of the dam, US 1 intersects MD 222. For a number of years up until 1995, much of MD 222 was a southern extension of U.S. Route 222 from Conowingo; it was downgraded due to the tight path of the corridor through Port Deposit and a steep hill exiting the town southbound. (8-14-2023)
After MD 222, the route crosses over a Norfolk Southern right of-way that runs along the east bank of the Susquehanna. (8-14-2023)
US 1 now climbs uphill once more as it pulls away from the dam and river. (8-14-2023)
Along the hill sits a Cecil County welcome sign. This is the final county in Maryland going north on US 1 before it reaches Pennsylvania. (8-14-2023)
The right lane will end momentarily. (8-14-2023)
For now, the speed limit remains 40 miles per hour. (8-14-2023)
The right lane ends at the crest of the hill, near the Susquehanna Inn, and US 1 becomes a proper two-lane road again. (8-14-2023)
Entering Conowingo, the route intersects Barrett Road. (8-14-2023)
US 1 is preparing to meet US 222 at the center of Conowingo, and the sign at right points interests to Rising Sun straight, and to Lancaster, Pennsylvania left (north) on US 222. (8-14-2023)
This route marker points the way to US 222 north. It runs 95 miles from here to Allentown, Pennsylvania at Interstate 78, where it becomes Pennsylvania Route 222. Meanwhile, at right is county-maintained Rowlandsville Road. (8-14-2023)
Just past US 222, there is a US 1 reassurance shield as well as the first of the above-mentioned "TO 95/40" markers for trucks. (8-14-2023)
The speed limit now goes up to 50 miles per hour. (8-14-2023)
From here, Rising Sun is 5 miles to the east. (8-14-2023)
The route proceeds slightly downward, surrounded by a cluster of trees. (8-14-2023)
The highway then levels out and approaches Merry Knoll Lane. (8-14-2023)
Weight restrictions for a bridge on Merry Knoll are posted here. (8-14-2023)
The highway goes uphill again and nears an intersection with Connelly Road. (8-14-2023)
Connelly Road, at left, leads to New Bridge Road, which reconnects with US 222, then becomes Old Mill Road and ends up in Fulton Township, Lancaster County, Pennsylvania. At right, proceeding parallel to US 1, is a disjoint segment of Colora Road, which is marked as a section of Maryland Route 591, severed in two by the removal of its bridge over the Octoraro Creek; the two combined segments of MD 591 plus the bridge were an old alignment of US 1 beforehand. (8-14-2023)
Another "TO 95/40" shield assembly follows. (8-14-2023)
Reaching the top of another hill and briefly poking out of the trees, US 1 then goes downward again. (8-14-2023)
US 1 now crosses the Octoraro Creek. (8-14-2023)
Again, the route climbs upward out of the creek valley, curving gradually to the right in the process. (8-14-2023)
Nearing the top of the hill, the speed limit prepares to drop back down to 40. (8-14-2023)
At a pair of forks in the road, as it prepares to straighten out northbound, US 1 intersects Porters Bridge Road, the eastern segment of MD 591, followed by Love Run Road, seen at right here. (8-14-2023)
US 1 is now running due east, although its posted cardinal directions are still north-south. (8-14-2023)
The Plumpton Park Zoo just outside of Rising Sun is eastbound on Maryland Route 273 up ahead. (8-14-2023)
The highway then approaches Horse Shoe Road, which indirectly leads to the presumed namesake Horseshoe Scout Reservation straddling the line between Cecil County and Chester County, Pennsylvania; the state line runs straight through one of its campsites. (8-14-2023)
Nearing a gradual curve to the left, US 1 passes a row of lookalike houses at right. (8-14-2023)
US 1 is nearing the MD 273 split, where 95/40-bound truck traffic is directed to remain on US 1 for a little longer. (8-14-2023)
"US 1" is marked here on a directional sign bearing left along with Oxford, Pennsylvania. (8-14-2023)
Shields for US 1 north, TO I-95, and MD 273 east sit in the fork between the two routes. Known first as Rising Sun Road, then Main Street and finally Telegraph Road, MD 273 runs 16 and a half miles through Rising Sun and the Fair Hill area before crossing into Delaware and becoming Delaware Route 273 just west of Newark. (8-14-2023)
Traffic coming from MD 273 west enters US 1 at this separate intersection just further ahead. (8-14-2023)
Now with controlled access, US 1 assumes the name of the Rising Sun Bypass. (8-14-2023)
The speed limit is back to 50 miles per hour. (8-14-2023)
Passing north of Rising Sun, US 1 nears Maryland Route 276. (8-14-2023)
"Pennsylvania" is marked continuing straight on US 1, while Rising Sun is marked for MD 276 south. At left, continuing from where MD 276 ends, is Slicers Mill Road. (8-14-2023)
The MD 276 junction has a set of flashers hanging above it. Named the Jacob Tome Memorial Highway, MD 276 meets MD 273 at a roundabout just south of here, then goes through a section of Colora, before turning west and descending into Port Deposit to its other end at MD 222. This is also where the Port Deposit truck bypass parts ways with US 1. (8-14-2023)
A US 1 reassurance shield follows MD 276. (8-14-2023)
The Pennsylvania line is 4 miles away, Nottingham 5, and Philadelphia 56. (8-14-2023)
The route goes on through a grove of trees. (8-14-2023)
A traffic signal up ahead is situated at Red Pump Road (left) and Mount Street (right). (8-14-2023)
Mount Street goes south from here a short distance into downtown Rising Sun. (8-14-2023)
The signal is followed by the last northbound US 1 reassurance shield in Maryland. (8-14-2023)
The highway dips downward into more trees. (8-14-2023)
Up ahead, the route intersects Stevens Road. (8-14-2023)
The next intersection is at Little New York Road. (8-14-2023)
Finally, as it curves to the left, the highway comes up on Greenmount Road. (8-14-2023)
Greenmount Road leads to a couple of local businesses in each direction. (8-14-2023)
The state line is visible in the distance. (8-14-2023)
US 1 now bids farewell to Maryland and crosses the Mason-Dixon Line into West Nottingham Township, Chester County, Pennsylvania. Just ahead, it becomes a four-lane divided highway named the Kennett Oxford Bypass, with nine freeway interchanges over 21 miles. (8-14-2023)