State Route 4 in Maryland
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State Route 4 is a state route in the U.S. state of Maryland. The road connects from Washington, DC to Leonardtown in the south of the state. Part of the Washington suburban route is a freeway, the rest is predominantly a single-storey divided highway. State Route 4 is 104 kilometers long.
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The route begins on the border with the District of Columbia and is a continuation of Pennsylvania Avenue. The first section through the suburbs of Suitland and Forest Park is a 2×2 lane at-grade city road. This is followed by a cloverleaf cloverleaf with Interstate 495, after which an intersection with the terminus of the Suitland Parkway follows. A traffic light later, the freeway begins, which is 18 kilometers long and has 2×2 lanes. The highway runs through the outer ring of suburbs, which are no longer contiguous here. The route gradually bends south and becomes a 2×2 divided highwaywith level crossings. The route crosses the Calvert Peninsula, a peninsula west of Chesapeake Bay, which State Route 4 traverses the center of. At Solomons, the narrower two-lane Governor Thomas Johnson Bridge follows over the Patuxent River. The route is then two-lane and ends in Leonardtown on State Route 5.
In 1910 the route was paved in central Maryland and by 1927 in the south of the state. In 1959 and 1960, the route east of Washington was widened to a 2×2 divided highway, along with the development of new suburbs in the area such as Suitland and Forest Park. In 1970 the highway section opened to traffic. In 1977, the Governor Thomas Johnson Bridge opened over the Patuxent River in southern Maryland. In the 1980s, the rest of the route on the Calvert Peninsula was widened to 2×2 lanes and a number of bypasses were opened during the 1980s.
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The Governor Thomas Johnson Bridge may be doubled in the future. This is one of the biggest bottlenecks in southern Maryland.
In 2011, 24,000 vehicles drove daily at the District of Columbia border, rising to 38,000 vehicles in Suitland and a maximum of 63,500 vehicles west of I-495. This drops slightly to 58,000 vehicles between I-495 and Suitland Parkway, before rising to 75,000 vehicles at the start of the highway. This drops eastwards after each connection. West of US 301 were another 50,000 vehicles and 46,000 vehicles east of it. The route through Calvert County usually has 30,000 to 40,000 vehicles, which drops south to just under 20,000 vehicles. On the Governor Thomas Johnson Bridge, 27,000 vehicles and 10,000 vehicles continued daily to Leonardtown.
State Route 5 in Maryland
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State Route 5 is a state route in the U.S. state of Maryland. The road forms a north-south route from Washington, DC to Point Lookout in the south of the state. The road is 120 kilometers long.
State Route 5 begins on the border of the District of Columbia, where the secondary Branch Avenue from Washington becomes State Route 5. Almost immediately, it crosses the Suitland Parkway at grade separations . The SR-5 becomes a lot more traffic intensive here with a number of large shopping centers in the Marlow Heights suburb. It then crosses Interstate 495, after which a stretch of freeway of more than 8 kilometers begins through the suburbs of Camp Springs and Clinton. The highway has 2×3 lanes and there is also a large shopping center along the highway in Clinton. More south, the road is a divided highway with 2×2 lanes, after which at Waldorf there is a double numbering with the US 301.
The SR-5 is then a divided highway south of Mechanicsville, after which the SR-5 turns off the main route and follows a somewhat secondary route, the SR-235 further east handles most of the through traffic in this area. In Leonardstown, one crosses State Route 4, after which SR-5 runs west of Lexington Park, the southernmost major town in the area. The road then continues to Point Lookout, where the Potomac River flows into Chesapeake Bay.
In the 1950s, State Route 5 in the Washington suburbs was widened to become a divided highway. In the early 1970s, the divided highway was extended further south to US 301 at Waldorf. Over the years, this corridor has become very traffic-intensive due to population growth in the region and lack of alternative freeways, which is why SR-5 itself has been graded 5 miles at Camp Springs and Clinton. Between 1999 and 2001 this section was constructed as a freeway.
It is planned to also convert the remainder of State Route 5 between Clinton and US 301 into a freeway.
In 2011, 24,000 vehicles drove daily near the Washington border, rising to 69,000 vehicles off I-495. The highway section through Camp Springs has 119,000 vehicles and 102,000 vehicles in Clinton. The single-storey section to US 301 has 65,000 vehicles and 82,000 vehicles on the double-numbered section with US 301 to Waldorf, which is also single-storey. After Waldorf there were 36,000 more vehicles, and 29,000 vehicles at Mechanicsville. Further south, SR-5 is more secondary, counting 9,000 vehicles up to Leonardtown and up to 18,000 vehicles south of it, then dropping to 1,800 vehicles up to Point Lookout.
State Route 665 in Maryland
State Route 665 is a state route in the US state of Maryland. The highway is a spur of US 50 that provides a quick connection to downtown Annapolis. The highway is 4 kilometers long and has 2×2 lanes. Apart from the interchange with the US 50, there are 2 more connections. The road ends at Forest Drive.