U.S. Route 331 is a spur of U.S. Route 31. It currently runs for 150 miles (240 km) from Santa Rosa Beach, Florida east of Fort Walton Beach at US 98 to Montgomery, Alabama at US 80 and US 82. Unlike US 131, US 231, and US 431, US 331 never intersects with its "parent" route, US 31; however, the two routes do come within 4 miles (6.4 km) of each other in Montgomery.
State Road 16 (SR 16) runs from northwest to southeast between Raiford and St. Augustine. It passes through the towns of Starke and Green Cove Springs in addition to providing access to Camp Blanding. Major roads and/or highways that SR 16 crosses include: US 301, SR 21, US 17, SR 13, Interstate 95 and US 1.
State Road 100 is a 153-mile-long (246 km) east–west highway serving northeast Florida. Its western terminus is at the Georgia-Florida border four miles (6.4 km) north of Avoca, Florida ; its eastern terminus is an intersection with Shore Scenic Highway in Flagler Beach. The portion west of Lake City is only signed as portions of US 41 and US 129, both of which run north–south.
State Road 20 is a 358.154-mile-long (576.393 km) east-to-west route across northern Florida and the Florida Panhandle in the United States.
State Road 145 runs north from US 90 and State Road 53 in Madison to the Georgia border, where it becomes State Route 31. It is also a short route in Fort Walton Beach between US 98 and State Road 85.
State Road 26 is a 62.172-mile-long (100.056 km) east–west route across North Central Florida.
U.S. Route 29 (US 29), internally designated by the Alabama Department of Transportation (ALDOT) as State Route 15 (SR 15), is a southwest–northeast state highway across the southeastern part of the U.S. state of Alabama. US 29 and SR 15 traverse Alabama in a general northeast–southwest slope. It has never been a major route in the state; its significance was completely overshadowed with the completion of Interstate 65 (I-65) and I-85 during the 1970s. Today, US 29 and SR 15 serve primarily to connect numerous smaller towns and cities in the southwest, south-central, and eastern parts of Alabama.
U.S. Highway 19 (US 19) runs about 262 miles (422 km) along Florida's west coast from an interchange with US 41 in Memphis, south of Tampa, and continues to the Georgia border north of Monticello.
U.S. Highway 29 (US 29) in the state of Florida is the westernmost north–south United States Numbered Highway in the state. It runs 43.6 miles (70.2 km) from downtown Pensacola north to the Alabama state line entirely within Escambia County. US 29 runs as a four-lane highway through much of the Florida Panhandle, becoming six lanes through and near several towns. The highway's hidden state road designation is entirely State Road 95 (SR 95).
U.S. Route 90 (US 90) in the state of Florida is the northernmost east–west United States Numbered Highway in the state. US 90 passes through the county seats of all 15 counties on its course in Florida, and it is also the road upon which many of the county courthouses are located. It is never more than six miles (9.7 km) from Interstate 10 (I-10) throughout the state. It runs as a two-lane highway through most of the sparsely populated inland areas of the Florida Panhandle, widening to four lanes through and near several towns. The speed limit is 55 mph (89 km/h) for all rural points west of Monticello, and it is 60 mph (97 km/h) on all rural points from where it enters Madison County as far as Glen St. Mary.
U.S. Route 98 is a major east-west thoroughfare through the U.S. state of Florida. Spanning 670.959 miles (1,079.804 km), it connects Pensacola and the Alabama/Florida state line to the west with Palm Beach and the Atlantic coast in the east. It is the longest US road in Florida, as well as the longest US road in any state east of the Mississippi River.
U.S. Route 441 (US 441) in Florida is a north–south United States Highway. It runs 433 miles (697 km) from Miami in South Florida northwest to the Georgia state line, with the overall route continuing to Tennessee in the Rocky Top area.
State Road 121 is a major state highway that runs north and south in northern Florida. The road is part of a long multi-state route that also goes through Georgia and South Carolina.
State Road 85 is a north–south state highway that runs from US 98 in Fort Walton Beach, Florida north to State Route 55 at the Florida/Alabama state line. In its earliest inception, it was just a clayed road over graded sandy soil, and was known early in the twentieth century as the Georgia, Alabama and Florida Highway.
State Road 69 is a road running through Calhoun and Jackson counties in northwest Florida. The road is almost entirely two-lanes wide.
State Road 189 is a north–south highway in the panhandle of Florida. It leads from U.S. Route 98 in downtown Fort Walton Beach to just east of State Road 85 at the Eglin AFB West Gate where its southern section terminates. The northern section begins at an intersection with State Road 4 in Baker, Florida north to the Alabama / Florida state line where Alabama State Route 137 begins upon crossing the Alabama state line.
State Road 71 is a highway in western Florida that runs 95.4 miles (153.5 km) from the Gulf Coast and the Gulf of Mexico, through the panhandle of Florida to the Alabama border.
State Road 81 is a state highway linking State Road 20 at Bruce with Alabama State Route 87.
State Road 235 is a south–north state highway in Alachua County, Florida. It runs from U.S. Route 441 in Alachua to Brooker, and has county-maintained segments in Alachua and Bradford Counties, which were once part of SR 235.
State Road 277 is a north-south state and county highway in the panhandle in the U.S. state of Florida that extends from State Road 79 in Vernon to U.S. Route 90 in Hulaw west of Chipley. SR 277 runs entirely through Washington County, although one of the two county extensions runs through both Washington and Jackson Counties, Most, if not all of the road is a two-lane undivided highway. Between its termini, SR 277 intersects with no state roads other than former ones, and shares a concurrency with at least one of those county roads. A sizeable portion of the road runs in close proximity to the east side of Holmes Creek.
US 98 near Santa Rosa Beach 
US 90 / US 331 in DeFuniak Springs 
SR 153 towards Samson, AL 
