Interstate 270 North

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Interstate 270 North
An on-ramp joins Interstate 270 north from Maryland 355 (Rockville Pike) north as the freeway leads away from the wye interchange with the Capital Beltway. The left lane immediately becomes an HOV-2 restricted lane. Photo taken 08/04/13.
Interstate 270 winds northwest toward adjacent off-ramps (Exits 1A/B) for Maryland 187 (Old Georgetown Road) and Rockledge Drive. Maryland 187 constitutes a 5.32-mile loop west from MD 355 at Bethesda to MD 355 at North Bethesda. Photo taken 08/04/13.
A pedestrian bridge spans Interstate 270 between Rossmor Drive and Tuckerman Lane beyond this mileage sign posted 33 miles from Frederick. Photo taken 08/04/13.
One half mile ahead of the half diamond interchange (Exit 1) with Maryland 187 (Old Georgetown Road) on I-270 north. All of MD 187 consists of an arterial or urban boulevard. Photo taken 08/04/13.
Another overhead advises motorists of the HOV-2 restriction for the left lane. The HOV-lane extends north onto the Express portion of I-270. Photo taken 08/04/13.
Exit 1A leaves I-270 north for Maryland 187 (Old Georgetown Road). MD 187 sees an interchange with I-495, 1.3 miles to the south, meeting Democracy Boulevard west to Westfield Montgomery Mall along the way. Photo taken 08/04/13.
Exit 1B quickly follows at a diamond interchange with Rockledge Boulevard south. Rockledge Drive forms an L-shaped route west and south from Rockledge Boulevard through an adjacent office park to Fernwood Road and Democracy Boulevard. Photo taken 08/04/13.
An access road joins MD 187 west with Rockledge Boulevard to the right as the Interstate 270 mainline prepares to split into its Local and Express configuration. Photo taken 08/04/13.
The I-270 Technology Corridor reflects the large concentration of high-tech businesses and government agencies found along Interstate 270 northward to Frederick. Photo taken 08/04/13.
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The HOV-2 lane branches away from the I-270 mainline to combine with the HOV-2 lane from I-270 Spur at the forthcoming wye interchange between the two freeways. Exits 4A/B to Montrose Road departs next from the Local lanes in two miles. Photos taken 08/04/13.
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The HOV-2 lane separates from the I-270 northbound mainline as two lanes continue to the merge with I-270 Spur north. I-270 Spur travels 2.10 miles north to carry motorists from Interstate 495 east onto I-270. Photos taken 08/04/13.
Six lanes initially carry Interstate 270 from the merge with Interstate 270 Spur to the Local and Express split. The next four interchanges (Exits 4, 5, 6, and 8) serve the city of Rockville. It is not yet necessary to move onto the Local lanes for the interchanges beyond Exit 5 as crossovers link the two roadways further north. Photo taken 08/04/13.
Interstate 270 north prepares to split into two roadways. Montrose Road is signed with the Interstate 270 Local lanes for Exits 4A/B. A small auxiliary sign advises drivers of the Exit 4A connection with Tower Oaks Boulevard. Tower Oaks Boulevard parallels I-270 northbound between Montrose Road and Wootton Parkway. Photo taken 08/04/13.
Interstate 270 splits into Local and Express lanes. The inside Express roadways accommodate eight overall lanes while the outside Local roadways carry two lanes a piece between here and Interstate 370 (Exit 9). Photo taken 08/04/13.
Exit 4A departs from the local lanes of I-270 for Montrose Avenue east and Tower Oaks Boulevard north. Montrose Avenue travels two miles east to Maryland 355 (Rockville Pike) and Maryland 183 (Randolph Road). Tower Oaks Boulevard migrates one mile north to Wootton Park and Dogwood Park. Photo taken 08/04/13.
A loop ramp ascends from Interstate 270 north onto Montrose Road westbound. Montrose Road continues one half mile to Seven Locks Road and 1.5 miles to its end at Maryland 189 (Falls Road). Photo taken 08/04/13.
A crossover carries Interstate 270 Express northbound motorists onto Interstate 270 Local for the SPUI (Single Point Urban Interchange) with Maryland 189 (Falls Road). Falls Road links Interstate 270 with Downtown Rockville and the historic district of the city. Photo taken 08/04/13.
0.75 miles south of Maryland 189 (Falls Road) on Interstate 270 Local north. A crossover joins the Express lanes with the Local lanes one mile ahead for Exit 6 to Maryland 28 (Montgomery Avenue). Wootton Parkway passes overhead in the distance between Maryland 189 and Maryland 355. Photo taken 08/04/13.
Maryland 189 (Falls Road) not only serves the Rockville Town Center but also the suburb of Potomac to the southwest. The state route intersects Maryland 190 (River Road) in 4.8 miles at Potomac itself. Photo taken 08/04/13.
Interstate 270 Local northbound at Exit 5 for Maryland 189 (Falls Road). Falls Road travels less than a mile northeast to its end at Maryland 28 (Montgomery Avenue / Jefferson Street) in Downtown Rockville. Photo taken 08/04/13.
Posted within the Maryland 189 (Exit 5) SPUI are advance guide signs for the next two crossovers between Interstate 270 Express onto Interstate 270 Local for Exits 6 (Maryland 28) and 8 (Shady Grove Road). Hidden beyond the guide signs is a bank of traffic signals on the Maryland 189 overpass. Photo taken 08/04/13.
One half mile separates the Maryland 189 and Maryland 28 interchanges of Interstate 270. A pair of crossovers exist between the two roadways otherwise. Photo taken 08/04/13.
The first guide sign for Interstate 370 and Maryland 200 Toll appears two miles south of the Exits 9 & 10 crossover at Shady Grove Road. Photo taken 08/04/13.
Interstate 270 and MD 28 (Montgomery Avenue) come together at a three-quarter cloverleaf interchange. Pictured here is the Exits 6A/B guide sign that breaks down Montgomery Avenue with the control cities of Darnestown (westbound) and Rockville (eastbound). Darnestown lies eight miles west of Exit 6B at the intersection of MD 28 with MD 112 (Seneca Road). Photo taken 08/04/13.
Interstate 270 leaves the Rockville vicinity for Gaithersburg beyond Exit 6 and Maryland 28. Posted over the Interstate 270 Express mainline is an interchange sequence sign for the next three interchanges including Interstate 370. Photo taken 08/04/13.
Exit 6A departs Interstate 270 Local for Maryland 28 (Montgomery Avenue) eastbound into Rockville. Montgomery Avenue carries the state route onto Jefferson Street in Downtown Rockville. A 1.3-mile drive brings Maryland 28 to its intersection with Maryland 355 (Rockville Pike / former U.S. 240) and Veirs Mill Road. Photo taken 08/04/13.
Northbound at the loop ramp onto Maryland 28 (Montgomery Avenue) west to Darnestown. Maryland 28 becomes Key West Avenue and Darnestown Road on the drive west to Quince Orchard (Maryland 124). The state route continues west from Darnestown to Dawsonville where it meets Maryland 107 (Whites Ferry Road). Whites Ferry Road links Maryland 28 with the town of Poolesville. Photo taken 08/04/13.
The Interstate 270 Express crossover for Exit 8 (Shady Grove Road) merges onto Interstate 270 Local as it leaves the Maryland 28 interchange. Photo taken 08/04/13.
The one-mile guide sign for the Interstate 370 / Maryland 200 Toll (Inner County Connector) and Maryland 117 & 124 crossover (Exits 9 & 10) precedes the Interstate 270 Local crossover back onto the Express lanes for Maryland 28 traffic. Photo taken 08/04/13.
Forthcoming Maryland 200, the Inner County Connector (ICC), extends east from I-370 as an all-electronic toll collection toll road. E-ZPass accounts are required to use the road, otherwise bills are sent by mail to drivers. Photo taken 08/04/13.
Northbound at the crossover between the Local and Express lanes, one mile south of the Shady Grove parclo interchange. Shady Grove Road constitutes a surface-arterial throughout Gaithersburg between Redland and Darnestown Road (Maryland 28). Photo taken 08/04/13.
Interstate 370 east connects I-270 with the Gaithersburg town center and Shady Grove Metro station. I-370 meets MD 355 (Frederick Road) one mile to the northeast. Frederick Road (former U.S. 240) travels from there northward into the town center. Sam Eig Highway extends west from the ending of I-370 (Exit 9B) to MD 119 (Great Seneca Highway). Photo taken 08/04/13.
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Interstate 270 Local reduces to one through lane as it passes underneath Shady Grove Road at Exit 8. The forthcoming off-ramp splits into branches to Shady Grove Road and Redland Road eastbound for the community of Derwood.
The right lane from the Express lanes defaults onto the Local lanes for Interstate 370 as well. Photo taken 09/25/04. Second photo taken 08/04/13.
Toll rates along the ICC vary depending upon time of day (peak hour traffic versus off-peak). Photo taken 08/04/13.
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Traffic to Shady Grove and Redland Roads leaves Interstate 270 Local north at Exit 8. Shady Grove Road winds 3.7 miles northeast through suburban areas to Maryland 115 (Muncaster Mill Road) and Airpark Road at Redland. Photos taken 08/04/13.
All Interstate 270 Express drivers bound for Interstate 370, the ICC (MD 200) and Sam Eig Highway merge onto the Local lanes within the Shady Grove Road interchange. The upcoming exchange with Interstate 370 serves Gaithersburg, the Rio Center and Washingtonian Center in Gaithersburg, and the Shady Grove Metro Station of the Washington D.C. subway system. As of February 23, 2011, Exit 9 also served Maryland 200 Toll east to Maryland 28. Photo taken 08/04/13.
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Interstate 270 Local expands from one to three lanes in between Shady Grove Road and Interstate 370 (Exits 9A/B). Interstate 370 spurs west to Fields Road as the Sam Eig Highway and east to Maryland 200 Toll (ICC) and the Shady Grove Metro Station. The I-370 constitutes just 2.54 miles. Photos taken 08/04/13.
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Another crossover carries Shady Grove Road drivers onto the Interstate 270 Express lanes to bypass the ramps to and from Interstate 370 and Sam Eig Highway (Exits 9A/B). Photo taken 09/25/04. Second photo taken 08/04/13.
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A wide directional cloverleaf interchange facilitates the movements between Interstates 270 and 370 at Gaithersburg. Exit 9 carries all I-370 interests away from I-270 Local before splitting into east and westbound components. I-270 Local continues for one more interchange: Maryland 117 (Diamond Avenue) to Maryland 124 (Quince Orchard Road). Photo taken 09/25/04. Second photo taken 08/04/13.
Exit 9 partitions into separate ramps for Interstate 370 east and Sam Eig Highway west. I-370 east crosses paths with Maryland 355 (Frederick Road) for the Gaithersburg Town Center and Shady Grove Road before ending at Maryland 200 Toll (ICC). Opening of the ICC on February 23, 2011 east to Maryland 28 resulted in the shortening of I-370 from its end at Shady Grove Metro station. That stretch is now unsigned MD 200A. Photo taken 09/25/04.
Exit 9B sweeps northwestward over Interstates 270 and 370 onto Sam Eig Highway at the interchange with Washingtonian Boulevard. Washingtonian Boulevard travels between I-370 and Fields Road through the Rio Center and Washingtonian Center in Gaithersburg. The diamond interchange was constructed in the mid to late 1990s. Photo taken 09/25/04.
Interstate 270 continues north with Local and Express lanes to Maryland 117 (Diamond Avenue) and Maryland 124 (Quince Orchard Road / Montgomery Village Avenue). Photo taken 08/04/13.
Two lanes cross over to the Express lanes from I-370 and MD 200 for Interstate 270 northward toward Frederick. A partial interchange (Exit 10) follows onto Maryland 117 (Diamond Avenue). MD 117 totals 12.67 miles from MD 355 in Gaithersburg to MD 28 north of Darnestown. Photo taken 08/04/13.
Muddy Branch Road spans Interstate 270 north as the freeway passes alongside the National Institute of Standards and Technology (NIST) campus. Upcoming Exit 10 serves NIST via MD 117 west to Clopper Road. Photo taken 08/04/13.
I-270 Local again reduces to one through lane beyond the off-ramp to MD 117 (Diamond Avenue). MD 117 west provides access to MD 124 (Quince Orchard Road) south to west Gaithersburg. Photo taken 08/04/13.
Interstate 270 Express north at the egress point for the Local lanes to Maryland 117 and 124. MD 124 constitutes a mostly suburban route 17.03 miles north from Maryland 28 (Damestown Road) to Maryland 108 at Damascus. Photo taken 08/04/13.
Exit 10 loops away from I-270 north for Maryland 117 (Diamond Avenue). MD 117 takes Clopper Road west from MD 124 (Quince Orchard Road) to Clopper, Seneca Creek State Park and Old Germantown. The state route east leads motorists to Gaithersburg City Hall. Photo taken 08/04/13.
A MARC light rail line passes over Interstate 270 ahead of Exit 11 onto Maryland 124 (Montgomery Village Avenue) north to Lakeforest Mall and Montgomery Village. Photo taken 08/04/13.
The Interstate 270 Local lanes conclude just north of the parclo interchange (Exit 11) with Maryland 124. Originally a full cloverleaf joined the freeway with MD 124. Photo taken 08/04/13.
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A rare state-named shield for Interstate 270 follows the merge of the Local and Express lanes as I-270 traverses Seneca Creek State Park. Photo taken 10/14/01. Second photo taken 08/04/13.
Interstate 270 rises from Great Seneca Creek to next meet Middlebrook Road at a partial interchange (Exits 13A/B) near Middlebrook. Photo taken 08/04/13.
Unincorporated Germantown, the third most populous community in Maryland, spreads across Interstate 270 over the next three interchanges. Photo taken 08/04/13.
Four lanes of I-270 north approach Exits 13A/B for Middlebrook Road. Middlebrook Road heads east to Maryland 355 (Frederick Road) before petering out between subdivisions abutting Great Seneca Extension Park. Photo taken 08/04/13.
Exit 13A leaves Interstate 270 north for Middlebrook Road east to Middlebrook. Middlebrook Road west encircles the U.S. Department of Energy Office administration complex west to Maryland 118 (Germantown Road). Photo taken 08/04/13.
Maryland 118 (Germantown Road) travels east from Middlebrook Road to a six-ramp parclo interchange (Exits 15A/B) with Interstate 270. Photo taken 08/04/13.
Maryland 118 north ends just 0.7 miles from Exit 15A at Maryland 355 (Frederick Road) by Montgomery College. Germantown Road extends east from Neelsville to Watkins Mill Road and Great Seneca Extension Park. Photo taken 08/04/13.
A loop ramp joins Maryland 118 (Germantown Road) south through a retail corridor in central Germantown. The 7.08-mile route concludes at Maryland 28, south of Brownstown. Photo taken 08/04/13.
An auxiliary lane accompanies I-270 north from MD 118 to the directional cloverleaf interchange (Exit 16) with Father Hurley Boulevard. Photo taken 08/04/13.
Father Hurley Boulevard arcs north from Maryland 118 (Germantown Road) through the Churchill Village area of Germantown to Maryland 27 (Ridge Road) at MD 355 (Frederick Road). Photo taken 08/04/13.
Exit 16 carries all drivers in unison to Father Hurley Boulevard from I-270 north. Maryland 27 commences a 39.17-mile route north to Damascus, Mount Airy, Westminster and Manchester from MD 355. Photo taken 08/04/13.
Interstate 270 lowers to cross Little Seneca Creek before climbing again to 650 feet above sea level at Exit 18. Photo taken 08/04/13.
Frederick is another 16 miles north via I-270 to U.S. 15. Hagerstown appears at 44 miles out, referencing the connection with I-70 west from when I-270 was I-70S. Photo taken 08/04/13.
Six lanes of Interstate 270 travel by the community of Clarksburg. Meeting the freeway in one mile is Maryland 121 (Clarksburg Road) and Stringtown Road at Exit 18. Photo taken 08/04/13.
Maryland 18 travels 4.6 miles north from Maryland 117 at Boyds north to Maryland 355 (Frederick Road) in Clarksburg. Photo taken 08/04/13.
Entering the parclo A2 interchange (Exit 18) with MD 18 (Clarksburg Road) on I-270 north. Though development is underway just west of I-270, MD 121 travels a somewhat rural route south to Burdette and across Little Seneca Lake to the south. Stringtown Road east replaced a portion of MD 121 at Gateway 270 Business Park, leading east as an arterial beyond MD 355. Photo taken 08/04/13.
The left lane ends just beyond the Clarksburg Road overpass. With it the HOV-2 restriction concludes. Photo taken 08/04/13.
Now 13 miles from Frederick, Interstate 70 next meets Maryland 109 in 3.5 miles by Hyattstown. Photo taken 08/04/13.
Weigh stations line both sides of Interstate 270 in the hills west of Little Bennett Regional Park. Photo taken 08/04/13.
Maryland 109, a 11.87-mile route between adjacent Maryland 355 (Frederick Road) and Maryland 107 at Poolesville, sees a folded-cloverleaf interchange with I-270 in one mile. Photo taken 08/04/13.
A forest median obscures the southbound roadway from I-270 north throughout most of the stretch between Clarksburg and Hyattstown. A reassurance marker follows the northbound side weigh station. Photo taken 08/04/13.
Nearing the ramp departure for Maryland 109 (Old Hundred Road). I-270 passes over both the state route and Little Bennett Creek at Exit 22. Photo taken 08/04/13.
Exit 22 loops away from I-270 north for Maryland 109 east to Hyattstown and southwest to Comus and Barnesville. The state route is entirely rural. Photo taken 08/04/13.
Interstate 270 exits Montgomery County for Frederick County immediately north of the MD 109 on-ramp. Photo taken 08/04/13.
I-270 extends another 10.09 miles to its end at I-70. Photo taken 08/04/13.
Maryland 80 (Exit 26) is the first of three Frederick County interchanges along Interstate 270 north in three miles. Photo taken 08/04/13.
Northbound motorists reach the outer suburbs of Frederick at forthcoming Exit 26 with Maryland 80 (Fingerboard Road). Increasing traffic demands resulted in the modification of the folded-cloverleaf interchange with MD 80 to incorporate a roundabout at the south side ramps. Photo taken 08/04/13.
Maryland 80 meanders 14.78 miles east from Maryland 85 at Buckeystown across southern Frederick County to Maryland 27 at Claggetsville in northern Montgomery County. Photo taken 08/04/13.
Drivers bound for Maryland 80 (Fingerboard Road) at Urbana leave Interstate 270 north at Exit 26. MD 80 expands into an arterial east from I-270 through expanding suburban areas before becoming more rural en route to Kemptown. Photo taken 08/04/13.
Interstate 270 veers more westerly to parallel Maryland 80 along side a number of open farm fields. Photo taken 08/04/13.
Maryland 85 crosses paths with Interstate 270 in four miles by Francis Scott Key Mall while Frederick is just two miles further. Photo taken 08/04/13.
A scenic view area lines the northbound side of Interstate 270 on the hills preceding the Monocacy River. Photo taken 08/04/13.
This sign at the Park Mills Road overpass provides plenty of advance notice to long distance interests to use I-70 west for the National Freeway (Interstate 68) west to Cumberland and Morgantown, West Virginia. Photo taken 08/04/13.
Catoctin Mountain rises along the northwest horizon beyond the Scenic View area of Interstate 270 north. Photo taken 08/04/13.
Interstate 270 lowers 200 feet from the scenic area to cross the Monocacy River. Photo taken 08/04/13.
The first sign for Interstate 70 appears three miles out from the cloverstack interchange with I-70, U.S. 15 and U.S. 40. Photo taken 08/04/13.
This interchange sequence sign lists the distances to city of Frederick cross streets. MD 85 north to MD 355 connects with Market Street into Downtown while the U.S. 15 & 40 freeway encircles the heart of Frederick to the west with exits at Jefferson and Patrick Street east to the central business district. Photo taken 08/04/13.
Spanning the Monocacy River, Interstate 270 sees another mileage sign for Maryland 85 (Exit 31), Interstate 70 and U.S. 15-40 (Exit 32) and Jefferson Street (the westbound beginning of U.S. 340) from U.S. 15 north & 40 west. Photo taken 08/04/13.
Travelers bound for U.S. 15 south to Point of Rocks and Leesburg, Virginia or U.S. 340 west to Harpers Ferry, Virginia and Charles Town, West Virginia should use Interstate 70 west from Exit 32 directly to the U.S. 15 & 340 freeway leading away from Frederick. Photo taken 08/04/13.
Approaching Maryland 85 (Buckeystown Pike) ventures north 10.80 miles from Maryland 28 to Monocacy Boulevard, just north of Interstate 70 in Frederick. Photo taken 08/04/13.
A six-ramp parclo interchange joins Interstate 270 with Maryland 85 (Buckeystown Pike) at Exits 31A/B. Maryland 85 north bisects a retail corridor anchored by Francis Scott Key Mall to Maryland 355 (former U.S. 240). The state route ended at MD 355 (Urbana Pike) until 2009, when a new SPUI with I-70 (Exit 54) opened to the east. Photo taken 08/04/13.
Exit 31B loops onto Maryland 85 (Buckeystown Pike) south to Lime Kiln, Buckeystown and Tuscarora, one mile south of Interstate 70. Photo taken 08/04/13.
Interstate 270 northbound expands to four overall lanes to the exchange with I-70 & U.S. 40 (Exit 32). Two lanes are allocated for both I-70 & U.S. 40 east and the U.S. 40 freeway west to U.S. 15 in Frederick. Photo taken 08/04/13.
A second diagrammatic overhead precedes Exit 32 for Interstate 70 & U.S. 40 on Interstate 270 north. U.S. 40 overlaps with Interstate 70 east from I-270 to Exit 82 west of Ellicott City. The US route turns northward to overtake the I-270 freeway to its merge with U.S. 15 through Frederick. Photo taken 08/04/13.
Traffic staying along I-270 beyond Exit 32 proceeds north to a cloverleaf interchange with U.S. 15 & 340 and Jefferson Street. U.S. 15 constitutes a freeway from U.S. 340 northward throughout the city of Frederick to Maryland 26 (Liberty Road). U.S. 15 continues from there to Thurmont, Emmitsburg and Gettysburg, Pennsylvania. Photo taken 08/04/13.
An Interstate 70 shield accompanies the Exit 32 gore point sign at Interstate 270's northern terminus. Interstate 70 provides the main route between Baltimore, Frederick, and Hagerstown in north-central Maryland. Photo taken 08/07/04.
Exit 32 defaults onto Interstate 70 westbound for Hagerstown, Hancock (I-68), and Breezewood (I-76). Photo taken 08/04/13.
Interstate 70 gore point for the ramp split between east and westbound. Photo taken 08/04/13.
Taking the ramp to I-70 & U.S. 40 east, motorists are advised to move to the left to avoid defaulting into the MD 85 SPUI. Interstate 70 follows the original U.S. 40 bypass through south Frederick eastward on the 38-mile drive to Interstate 695 (Baltimore Beltway). Photo taken 08/04/13.
The two-lane ramp from I-270 north onto I-70 west reduces to one lane ahead of its left side merge onto the mainline. Motorists bound for Exit 52 to U.S. 15 south & 340 west must cross two lanes to access the US highway tandem west to Jefferson. Photo taken 08/07/04.

Photo Credits:

10/14/01, 08/07/04, 09/25/04, 08/04/13 by AARoads

Connect with:
Interstate 70
Interstate 370
U.S. 40

Page Updated 06-07-2014.