Portal:Maryland roads
Maryland Roads
The Maryland highway system consists of roads in the US state of Maryland that are maintained by the Maryland State Highway Administration (SHA). The three main systems of roads that comprise the Maryland highway system are Interstate Highways, US Highways, and Maryland state highways. Other roads in Maryland are maintained by individual cities and counties.
Interstate Highways and US Highways are assigned at the national level. Interstate Highways are numbered in a grid—even-numbered routes are east–west routes (the lowest numbers are along Mexico and the Gulf of Mexico), and odd-numbered routes are north–south routes (with the lowest numbers along the Pacific Ocean). US Highways are also numbered in a grid—even numbered for east–west routes (with the lowest numbers along Canada) and odd numbered for north–south routes (with the lowest numbers along the Atlantic Ocean). For this reason, mainline (two-digit) Interstate Highways in Maryland all have numbers between 81 and 97 for north-south routes and between 68 and 70 for east-west routes. In addition, mainline US Highways all have numbers between 1 and 29 for north-south routes and between 40 and 50 for east-west routes. Three-digit Interstate and U.S. Highways, also known as "child routes," are branches off their main one- or two-digit "parents". The Interstate and US Highways are generally maintained by the SHA, with some toll roads maintained by the Maryland Transportation Authority (MDTA) and some roads maintained by municipalities, including most roads in the city of Baltimore. Interstate 95 (I-95) and U.S. Route 40 (US 40) are the longest examples in the state.
Maryland state highways are the other state highways maintained by the SHA. Some state highways are maintained by municipalities while the Maryland Route 200 (MD 200) toll road is maintained by the MDTA. All roads maintained by the SHA are assigned route numbers, ranging from through routes passing through multiple counties to minor service roads that are less than a mile long. Many of the shorter state highways are unsigned. Some routes consist of multiple segments with letter suffixes; these suffixes are unsigned with the exception of MD 835A. There are two geographical clusters for Maryland state highways. The first, ranging from 2 to 37, consists of longer intercounty routes, with 2 to 6 in Southern Maryland, 7 to 10 originally skipped, 12 to 21 on the Eastern Shore, and 22 to 37 running west from Central Maryland to Western Maryland. The second cluster consists of routes from 38 to 378, running across the state from Garrett County in the west to Worcester County in the east. Numbers above 378 are assigned randomly.
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Maryland Route 97 (MD 97) is a state highway in the U.S. state of Maryland. The route runs 55.27 mi (88.95 km) from U.S. Route 29 (US 29) in Silver Spring, Montgomery County, north to the Pennsylvania border in Carroll County, where the road continues into that state as Pennsylvania Route 97 (PA 97). Throughout most of Montgomery County, MD 97 is known as Georgia Avenue, which continues south from the southern terminus along US 29 into Washington, D.C. It is a suburban four- to six-lane divided highway from Silver Spring north to Olney. From here, the route continues as a rural two-lane undivided road north through Brookeville and into Howard County. MD 97 continues through Carroll County where it passes through the county seat of Westminster. The route intersects many major roads, including Interstate 495 (I-495, Capital Beltway) north of Silver Spring, MD 28 and MD 200 (Intercounty Connector) in Norbeck, I-70/US 40 near Cooksville, MD 26 in Dorsey Crossroads, and MD 27, MD 32, and MD 140 in the Westminster area.
With the creation of the U.S. Highway System in 1926, present-day MD 97 north of Westminster became a part of US 140. MD 97 was first designated by 1933 from MD 27/MD 410 (now US 29) in Silver Spring to north of US 40 in Cooksville. Two portions of the route between Cooksville and Westminster became MD 570 in 1939. In 1956, MD 97 was extended north from Cooksville to the Pennsylvania border northwest of Emmitsburg, Frederick County. It replaced the two sections of MD 570 along with the MD 32 designation between Westminster and the Pennsylvania border. MD 97 was rerouted to bypass Westminster in 1960 and was moved to a new alignment between Westminster and Taneytown in 1965; both former alignments became MD 32. In 1961, the route was realigned between MD 26 and MD 32, with the former segment becoming MD 854. MD 97 was rerouted to its current northern terminus in 1979, replacing that portion of US 140, while the former route between Westminster and northwest of Emmitsburg became part of MD 140. (Full article...)
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Did you know?
- ... that the section of Maryland Route 307 between the Dorchester–Caroline county line and Federalsburg became the first section of state road placed under contract for construction by the Maryland State Roads Commission in June 1909?
- ...that when Maryland Route 145's present bridge over Loch Raven Reservoir was completed in 2000, the old bridge constructed in 1922 was retained and refurbished for recreational use?
- ...that Maryland Route 54 has a portion of the route along the Delaware border that is cosigned with Delaware Route 54?
Related portals
Subcategories
Topics
- Maryland highway system, an overview of the numbered highway system
- Interstate Highways in Maryland
- U.S. Highways in Maryland
- State highways in Maryland
- Maryland Scenic Byways
- Pre-freeway turnpikes in Maryland
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Featured articles
Good articles
Baltimore–Washington Parkway- Interstate 70 in Maryland
- Interstate 81 in Maryland
- Interstate 97
- Interstate 195 (Maryland)
- Interstate 270 (Maryland)
- Interstate 370
- Interstate 695 (Maryland)
- Interstate 895
- Maryland Route 2
- Maryland Route 5
- Maryland Route 7
- Maryland Route 10
- Maryland Route 12
- Maryland Route 16
- Maryland Route 18
- Maryland Route 22
- Maryland Route 23
- Maryland Route 24
- Maryland Route 30
- Maryland Route 32
- Maryland Route 33
- Maryland Route 55
- Maryland Route 68
- Maryland Route 70
- Maryland Route 97
- Maryland Route 135
- Maryland Route 150
- Maryland Route 151
- Maryland Route 170
- Maryland Route 177
- Maryland Route 194
- Maryland Route 198
- Maryland Route 213
- Maryland Route 222
- Maryland Route 228
- Maryland Route 231
- Maryland Route 234
- Maryland Route 235
- Maryland Route 285
- Maryland Route 291
- Maryland Route 300
- Maryland Route 313
- Maryland Route 318
- Maryland Route 322
- Maryland Route 331
- Maryland Route 346
- Maryland Route 355
- Maryland Route 363
- Maryland Route 404
- Maryland Route 410
- Maryland Route 413
- Maryland Route 500
- Maryland Route 528
- Maryland Route 537
- Maryland Route 615
- Maryland Route 704
- Maryland Route 743
- Route 54 (Maryland–Delaware)
- U.S. Route 11 in Maryland
- U.S. Route 13 in Maryland
- U.S. Route 15 in Maryland
- U.S. Route 40 Alternate (Hagerstown–Frederick, Maryland)
- U.S. Route 40 Scenic
- U.S. Route 219 in Maryland
- U.S. Route 220 in Maryland
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