Road Information |
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| Total Mileage in State: | 33 miles (mainline) | |
| Northern End: | At I-70, in Frederick | |
| Southern End: | At I-495, near Bethesda | |
| Mileage covered in Photos: | 33 miles (mainline) | |
| Counties covered in Photos: | Montgomery, Frederick | |
| Major Junctions in Photos: | I-370, in Rockville I-70, in Frederick |
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| Control Cities in Photos: | Bethesda, Rockville, Gaithersburg, Germantown, Frederick | |
Northbound
- Section 1: Interstate 495 to Germantown (Exit 16)
- Section 2: Germantown (Exit 16) to Interstate 70
Section 1: Interstate 495 to Germantown (Exit 16)
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Merging onto Interstate 270 North via Exit 35 on Interstate 495 West (Outer Loop) near Bethesda. (Photo taken 1/7/21). |
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As Interstate 270 North begins, traffic from MD 335 (Rockville PIke) merges into it ahead on the right. (Photo taken 1/7/21). |
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The leftmost lane on Interstate 270 North becomes a HOV lane just ahead. This overhead sign displays the rules regulating the use of the HOV lane. (Photo taken 1/7/21). |
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The speed limit on Interstate 270 North starts out at 55 mph. (Photo taken 1/7/21). |
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Mileage sign on Interstate 270 North. It's 9 miles to Gaithersburg, 15 miles to Germantown, and 33 miles to Frederick. (Photo taken 1/7/21). |
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View on Interstate 270 North at mile marker 1. (Photo taken 1/7/21). |
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Move overhead signage designating the leftmost lane on Interstate 270 North as a HOV lane, as well as listing the rules for using it. (Photo taken 1/7/21). |
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Interstate 270 North at Exit 1A: MD 187 - Old Georgetown Rd (Photo taken 1/7/21). |
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Interstate 270 North at Exit 1B: Rockledge Dr (Photo taken 1/7/21). |
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The three lanes of Interstate 270 North will divide 1/2 mile ahead. The HOV lane (left lane) will continue to be a HOV lane, while all other lanes will continue as normal. The HOV lane will briefly become separated from the mainline of I-270 North. (Photo taken 1/7/21). |
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This overhead sign shows what will happen ahead as the HOV lane separates from the mainline of Interstate 270 North. It will briefly depart on the left, and join back with I-270 North on the left again. (Photo taken 1/7/21). |
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Interstate 270 North as the HOV lane (left lane) briefly departs to the left to cross over Interstate 270 Spur North, then once again join I-270 North on the left. (Photo taken 1/7/21). |
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The right lane comes to an end after the HOV lane departs to the left, leaving Interstate 270 North with just two thru lanes for a brief time as traffic from Interstate 270 Spur North prepares to join it ahead on the left. (Photo taken 1/7/21). |
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The lanes of Interstate 270 North will divide once again 1 mile ahead, this time into local and express lanes. Traffic to Montrose Rd (Exits 4A-B) should keep right and use the local lanes. (Photo taken 1/7/21). |
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View on Interstate 270 North as traffic from Interstate 270 Spur North, and in turn, Interstate 495 North (Capital Beltway) merges into it on the left. (Photo taken 1/7/21). |
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View on Interstate 270 North at mile marker 3. The HOV lane which briefly departed to the left a mile ago has now joined back into the mainline of I-270 North, remaining a HOV lane for the next several miles. (Photo taken 1/7/21). |
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Overhead signage listing the four upcoming exits to Rockville on Interstate 270 North. In addition, another sign to the left once again shows the rules governing the use of the HOV lane, which is the leftmost lane once again after having rejoined the mainline of I-270 North. (Photo taken 1/7/21). |
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Take Exit 4A to Tower Oaks Blvd. The current 7 lanes of Interstate 270 North will divide into local and express lanes ahead. Local traffic to Exits 4A-B should keep right into the local lanes. (Photo taken 1/7/21). |
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Interstate 270 North as its 7 lanes divide into local and express lanes. (Photo taken 1/7/21). |
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Interstate 270 North at Exit 4A: Montrose Rd East (Photo taken 1/7/21). |
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Take Exit 5 to Rockville Town Center and Potomac. (Photo taken 1/7/21). |
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Interstate 270 North (Express Lanes) at Exit 5: MD 189 - Falls Rd (Photo taken 1/7/21). |
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Take Exit 5 to Rockville Historic District. (Photo taken 1/7/21). |
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Interstate 270 North reassurance shield. (Photo taken 1/7/21). |
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Take Exit 6B to Poolesville. (Photo taken 1/7/21). |
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Interstate 270 North at Exit 5 (Local Lanes): MD 189 - Falls Rd (Photo taken 1/7/21). |
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Interstate 270 North at Exit 6 (Express Lanes): MD 28 - West Montgomery Ave (Photo taken 1/7/21). |
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Take Exit 6A to Montgomery College Rockville Campus. Take Exit 6B to The Universities At Shady Grove. (Photo taken 1/7/21). |
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Overhead signage listing the three upcoming exits to Gaithersburg. (Photo taken 1/7/21). |
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Interstate 270 North at Exit 6A (Local Lanes): MD 28 East (West Montgomery Ave) - Rockville (Photo taken 1/7/21). |
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Interstate 270 North at Exit 6B (Local Lanes): MD 28 West (West Montgomery Ave) - Darnestown (Photo taken 1/7/21). |
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Interstate 270 North at Exit 8 (Express Lanes): Shady Grove Road (Photo taken 1/7/21). |
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Interstate 270 North approaching the Express Lanes exit for Exits 9 & 10 - 1 mile. (Photo taken 1/7/21). |
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Take Exit 8 to Johns Hopkins University. (Photo taken 1/7/21). |
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Take Exit 9B to Sam Eig Hwy. Take Exit 9A (Interstate 370 East) to Gaithersburg Town Center and the Metro Station. (Photo taken 1/7/21). |
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This overhead sign dynamically displays the current toll rates on MD 200, which begins at the eastern terminus of Interstate 370 via Exit 9B. (Photo taken 1/7/21). |
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Interstate 270 North at Exit 8 (Local Lanes): Shady Grove Rd / Redland Blvd (Photo taken 1/7/21). |
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Interstate 270 North at Exit 9 (Express Lanes): Interstate 370 / To MD 200 Toll; Exit 10: MD 117 / MD 124 (Photo taken 1/7/21). |
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View on interstate 270 North at mile marker 9 in the express lanes. (Photo taken 1/7/21). |
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Interstate 270 North at Exits 9A-B (Local Lanes): Interstate 370 / To MD 200 Toll (Photo taken 1/7/21). |
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The leftmost lane remains under the rules of HOV lane usage in the express lanes of Interstate 270 North. (Photo taken 1/7/21). |
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Take Exit 10 to the Park & Ride lot and NIST. Take Exit 11 to the Fairgrounds. (Photo taken 1/7/21). |
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Interstate 270 North at Exits 11-12 (Express Lanes): MD 124 North - Montgomery Village Ave / Watkins Mill Rd (Photo taken 1/7/21). |
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Interstate 270 North at Exit 10 (Local Lanes): MD 117 (West Diamond Ave) / To MD 124 South (Quince Orchard Rd) (Photo taken 1/7/21). |
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Interstate 270 North at Exit 11 (Local Lanes): MD 124 North - Montgomery Village Ave (Photo taken 1/7/21). |
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Interstate 270 North at Exit 12 (Local Lanes): Watkins Mill Rd (Photo taken 1/7/21). |
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Another Interstate 270 North reassurance shield as the local lanes / express lanes configuration comes to an end. (Photo taken 1/7/21). |
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Overhead signage showing the exit names and numbers for the three upcoming exits to Germantown. The leftmost lane remains a HOV lane. (Photo taken 1/7/21). |
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Interstate 270 North at Exit 13A: Middlebrook Road East (Photo taken 1/7/21). |
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Interstate 270 North at Exit 13B: Middlebrook Road West (Photo taken 1/7/21). |
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Take Exit 15A to Montgomery College. (Photo taken 1/7/21). |
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Take Exit 15B to South Germantown Recreational Park and the Department Of Energy. (Photo taken 1/7/21). |
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Interstate 270 North at Exit 15A: MD 118 North / To MD 355 (Photo taken 1/7/21). |
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Interstate 270 North at Exit 15B: MD 118 South - Germantown (Photo taken 1/7/21). |
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Interstate 270 North at Exit 16: MD 27 (Father Hurley Boulevard) - Damascus (Photo taken 1/7/21). |
Section 2: Germantown (Exit 16) to Interstate 70
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The speed limit remains 55 mph on Interstate 270 North. (Photo taken 1/7/21). |
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View on Interstate 270 North at mile marker 17. (Photo taken 1/7/21). |
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Take Exit 18 to Little Bennett and Black Hill Regional Parks. (Photo taken 1/7/21). |
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This sign warns truck drivers that thru trucks over 5 tons GVW (Gross Vehicle Weight) are prohibited on MD 355 to the north of MD 121. (Photo taken 1/7/21). |
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Interstate 270 North at Exit 18: MD 121 - Boyds / Clarksburg (Photo taken 1/7/21). |
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North of Exit 18, the right lane of Interstate 270 North prepares to come to an end 1/2 mile ahead. (Photo taken 1/7/21). |
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Take Exit 22 to Sugarlaof Mountain and the C & O Canal. (Photo taken 1/7/21). |
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As the right lane comes to an end, the speed limit increases to 65 mph on Interstate 270 North. (Photo taken 1/7/21). |
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As this sign reads, all vehicles over 5 tons GVWR (Gross Vehicle Weigh Rating) / GCWR (Gross Combination Weight Rating) must enter the Weigh Station ahead when it is open. (Photo taken 1/7/21). |
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Weigh Station on Interstate 270 North at mile marker 21 in Montgomery County. (Photo taken 1/7/21). |
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Take Exit 22 to Poolesville. (Photo taken 1/7/21). |
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Interstate 270 North at Exit 22: MD 109 - Barnesville / Hyattstown (Photo taken 1/7/21). |
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Interstate 270 North as it enters Frederick County. (Photo taken 1/7/21). |
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Interstate 270 North reassurance shield. (Photo taken 1/7/21). |
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Mile marker 23 on Interstate 270 North in Frederick County. (Photo taken 1/7/21). |
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Mileage sign on Interstate 270 North. It's 3 miles to the junction of MD 80 and 10 miles to Frederick. (Photo taken 1/7/21). |
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Take Exit 26 to C & O Canal and Nolands Ferry. (Photo taken 1/7/21). |
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View on Interstate 270 North at mile marker 24. (Photo taken 1/7/21). |
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Interstate 270 North at Exit 26: MD 80 - Urbana / Buckeystown (Photo taken 1/7/21). |
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Interstate 270 North approaching the Scenic View Area 1 mile ahead. As this sign reads, trucks are prohibited and there are no restrooms at the scenic area. Also, the scenic area closes at dusk. (Photo taken 1/7/21). |
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Scenic View area on Interstate 270 North in Frederick County. (Photo taken 1/7/21). |
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View on Interstate 270 North at mile marker 29. (Photo taken 1/7/21). |
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The speed limit remains 65 mph on Interstate 270 North. (Photo taken 1/7/21). |
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The junction of Interstate 70, which will mark the northern terminus of Interstate 270, is 3 miles ahead. (Photo taken 1/7/21). |
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Mileage sign listing the distances to the three upcoming exits to Frederick. (Photo taken 1/7/21). |
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Take Exit 31 to the Historic Frederick Visitor Center and Monocacy National Battlefield. (Photo taken 1/7/21). |
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Also take Exit 31 to C & O Canal, Nolands Ferry, and Nymeo Field at Harry Grove Stadium. (Photo taken 1/7/21). |
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Overhead mileage sign on Interstate 270 North as it crosses the Monocacy River. (Photo taken 1/7/21). |
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Approaching Exit 31A, the speed limit decreases to 55 mph on Interstate 270 North. (Photo taken 1/7/21). |
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Interstate 270 North at Exit 31A: MD 85 North - To Market St (Photo taken 1/7/21). |
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Interstate 270 North at Exit 31B: MD 85 South - Buckeystown (Photo taken 1/7/21). |
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View on Interstate 270 North as it approaches the junction of Interstate 70 via Exit 32. Traffic to I-70 will need to move right at this point. (Photo taken 1/7/21). |
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Interstate 270 North at Exit 32: Interstate 70 - Hagerstown / Baltimore (Photo taken 1/7/21). |
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A closer view of the ramp to Interstate 70 via Exit 32 on Interstate 270 North. (Photo taken 1/7/21). |
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Take any of the next 5 exits to Frederick. (Photo taken 1/7/21). |
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Interstate 270 North as it enters the Frederick city limits, approaching its northern terminus. (Photo taken 1/7/21). |
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This overhead mileage sign shows the distances to the next three exits on US 40 West, as Interstate 270 North prepares to reach its northern terminus and passes under Interstate 70. (Photo taken 1/7/21). |
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Interstate 270 END shield as its two northbound lanes become US 40 40 West ahead. (Photo taken 1/7/21). |
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At the northern terminus of Interstate 270, it's two northbound lanes become those of US 40 West, which provides access to US 15 in Frederick. (Photo taken 1/7/21). |