Madison County is located in the north central portion of the U.S. state of Alabama. As of the 2020 Census, the population was 388,153, making it the third-most populous county in Alabama. Its county seat is Huntsville. Since the mid-20th century it has become an area of defense and space research and industry.
Route 124 is a state highway in the northern part of New Jersey in the United States that is 14.74 mi (23.72 km) long. It is the eastern section of what used to be Route 24 before that road was realigned to its current freeway alignment. The western end is at an intersection with U.S. Route 202 (US 202) and County Route 510 (CR 510) in Morristown, Morris County; the eastern end continues as CR 603 on Springfield Avenue at the border between Maplewood and Irvington in Essex County. The route runs through suburban areas of Morris County, passing through Madison and Chatham. It interchanges with Route 24 on the border of Millburn, Essex County and Summit, Union County and serves as a frontage road for that route. Upon splitting from Route 24, Route 124 continues east through Springfield Township, Union Township, and Maplewood to its eastern terminus.
U.S. Route 43 (US 43) is a 410-mile-long (660 km) north–south United States Highway in the Southern states of Alabama and Tennessee. It travels from Prichard, Alabama, to Columbia, Tennessee. The highway's southern terminus is in Prichard, at an intersection with US 90, and its northern terminus is in Columbia at an intersection with US 31/US 412/US 412 Bus.
U.S. Route 72 (US 72) is an east–west United States highway that travels for 317.811 miles (511.467 km) from southwestern Tennessee, throughout North Mississippi, North Alabama, and southeastern Tennessee. The highway's western terminus is in Memphis, Tennessee and its eastern terminus is in Chattanooga. It is the only U.S. Highway to begin and end in the same state, yet pass through other states in between. Prior to the U.S. Highway system signage being posted in 1926, the entire route was part of the Lee Highway.
Interstate 565 (I-565) is a 22-mile-long (35 km) Interstate spur that connects I-65 in Decatur with U.S. Route 72 (US 72) in Huntsville in the US state of Alabama.
The Suitland Parkway is a parkway in Washington, D.C., and Prince George's County, Maryland, administered and maintained by the U.S. National Park Service (NPS), National Capital Parks-East. The road has partial controlled access with a combination of interchanges and at-grade intersections, but without property access for neighboring land-owners. Conceived in 1937, it was built during World War II to provide a road connection between military facilities in the Washington, D.C. metropolitan area. It fully opened on December 9, 1944 as the Camp Springs highway, so called because it connected Camp Springs in Prince George's County with Bolling Air Force Base. However one lane of the highway was opened in mid-October 1944.
The Huntsville–Decatur, AL Combined Statistical Area is the most populated sub-region of North Alabama, and is the second fastest growing region in the State of Alabama, with 659,486 living within the CSA. It is also currently the 57th largest CSA in the country.
Alternate U.S. Route 72 exists in Alabama on the south side of the Tennessee River between Muscle Shoals and Decatur, while US 72 follows on the north side of the river between Florence and Athens. US 72A crosses the Tennessee River at Decatur, along with U.S. Highway 31, and follows the entire route of Interstate 565. SR-20 was co-signed with US 72A from Muscle Shoals to Huntsville but has since been truncated to the junction of I-65 just east of Decatur.
State Route 20 (SR 20) is a 73.978-mile-long (119.056 km) state highway in the northern part of the U.S. state of Alabama. It travels from the Tennessee state line, where it continues as Tennessee State Route 69, northwest of Florence, east to Interstate 65 (I-65), east of Decatur. It crosses the Tennessee River at Florence and also at Decatur
Research Park Boulevard runs from I-565 to Bob Wade Lane on the north and west sides of Huntsville in Madison County, Alabama. Much of the route is a limited access highway, with the entire route planned to be limited access. Plans call for the road to be extended to create a near-complete bypass around Huntsville.
Memorial Parkway, also known as the Parkway, is a major thoroughfare in Huntsville, Alabama that carries over 100,000 vehicles on average a day. It, in whole or in part, follows U.S. Route 231, U.S. Route 431, U.S. Route 72, and State Route 53 through the Huntsville city limits. It is a limited access road through most of Huntsville city proper, providing exits to the frontage road which allows access to road intersections, as well as businesses and residences along the route. Both the limited access and frontage roads are referred to as Memorial Parkway. Originally constructed to bypass downtown Huntsville and officially opened on December 1, 1955, the highway is the major commercial thoroughfare through Huntsville, a status it has held since the mid-1960s.
The Orbit fixed-route bus system began in 1990 in response to the growing population and congestion of the city of Huntsville, Alabama. The system is run by the city of Huntsville, and is funded by city and federal funds.
U.S. Route 231 (US 231) in Alabama runs north–south up through the eastern half of Alabama for 306.273 miles (492.899 km). US 231 enters the state from Florida south of Madrid and exits into Tennessee, running councurrently with US 431 north of Hazel Green. US 231 passes through the major cities of Dothan, Troy, Montgomery, and Huntsville.
State Route 133 (SR 133) is a 16.976-mile-long (27.320 km) mostly multi-lane state highway and is a primary artery through the Florence–Muscle Shoals metropolitan area in the northwestern part of the U.S. state of Alabama.
Many arterial roads in the Phoenix metropolitan area have the same name in multiple cities or towns. Some roads change names or route numbers across town borders, resulting in occasional confusion. For example, the road known as Apache Boulevard in Tempe continues east as Main Street in neighboring Mesa and then as Apache Trail in Apache Junction. Although Broadway Road maintains the same name through Goodyear, Avondale, Phoenix, Tempe, Mesa, and Apache Junction, each town uses a different reference point for address numbers.
The North Valley Parkway, also named the Gavilan Peak Parkway are two names for a single section of arterial parkway in Phoenix and Anthem, Arizona, generally running parallel to the Interstate 17 (I-17) from Jomax Road to north of New River Road for approximately 15 miles (24.14 km). In the last three years, the parkway has undergone changes from a series of non-contiguous partially unpaved segments of dead end drives into a major alternative route to the often congested I-17 in the North Valley. The parkway is expected to be fully completed by 2020. The parkway follows the alignments of 23rd, 27th, and 35th Avenues in the Maricopa County street grid.
Governors Drive is a major east–west thoroughfare in Huntsville, Alabama. It follows U.S. Route 431 (US-431) in east Huntsville and State Route 53 (SR-53) in west Huntsville. Governors Drive is one of the main entrance points to the city from the east, carrying on average approximately 48,000 vehicles a day across Monte Sano Mountain.
University Drive is a major east–west thoroughfare in Huntsville, Alabama, following US Route 72 into the city from the west. The highway carries on average approximately 56,000 vehicles a day at 45 mph (72 km/h).
Airport Road is a major east–west thoroughfare in Huntsville, Alabama that connects the Jones Valley and Hampton Cove subdivisions to Memorial Parkway and the rest of the city. On average approximately 32,000 vehicles travel the 2-mile stretch of road a day.
California Street is a major north-south thoroughfare in Huntsville, Alabama connecting historic Five Points to south Huntsville. On average, approximately 18,500 vehicles travel the 1.8 mile stretch of road a day.
US-231/431 Memorial Parkway 
US-72 East)
SR-53 (Jordan Lane)
