[16] FM 2513 was cancelled and removed from the state highway system on December 14, 1989, with maintenance being turned over to the city of Bryan.

[17] The western terminus of FM 2514 is at the Plano–Parker city line; the continuation into Plano is known appropriately as Parker Road.

[23] On March 27, 2014, the section from Brown Street (former FM 3412) to SH 78 was removed from the state highway system.

It travels to the south and east along Billy Mitchell Boulevard before state maintenance ends at the entrance to Brownsville/South Padre Island International Airport.

[24] Ranch to Market Road 2523 (RM 2523) is located in Val Verde, Kinney, and Edwards counties.

After the overlap, FM 2526 continues to travel in an eastern direction and enters the town of Carbon, where it intersects SH 6.

FM 2526 was designated on October 31, 1957, running from US 183 near Pleasant Hill eastward to SH 6 (now Loop 389) at Carbon, at a distance of 8.7 miles (14.0 km).

The highway runs north along Frankford Avenue and intersects FM 2255 (4th Street) near a major retail center.

Development along the highway begins to lower after an intersection with Erskine Street before leaving the city limits of Lubbock.

The highway travels through sparsely populated areas of Lubbock County and overlaps with FM 597 between Anton and Abernathy.

[24] Ranch to Market Road 2528 (RM 2528) was designated on October 31, 1957, to run from US 80 in Kent, northward 5.0 miles (8.0 km).

The highway travels in a northern direction along McCombs Street through an area of the city with a mix of residential and commercial development.

The highway turns west onto Stan Roberts Sr. Avenue, running one mile south of the New Mexico state line, before ending at an intersection with FM 3255 (Martin Luther King Jr. Boulevard).

US 54) northward to the El Paso Natural Gas Company compressor station at a distance of 6.6 miles (10.6 km).

The highway was extended 2.0 miles (3.2 km) westward to Dona Ana Target Range Road on October 31, 1958.

A previous route numbered FM 2535 was designated on October 31, 1957, from US 82 near the Montague County line, north 3.9 miles (6.3 km) to a road intersection.

The highway travels in a northeast direction through more rural areas of the county and enters San Antonio near an intersection with Nelson Road.

The highway travels along the edge of Pearsall Park before ending at an intersection with Loop 13 near Lackland AFB.

The highway travels in a southeast direction through rural farm areas before ending at an intersection with US 281 near Southside High School.

The highway travels in a southeast direction near Cibolo Creek and the Zuehl city limits until an intersection with Real Rock Road, running near several farms and guest ranches.

A previous route numbered FM 2544 was designated on October 31, 1958, from US 87 near Kamey northeast 3.1 miles (5.0 km) to a county road.

The third use of the FM 2545 designation was in Tarrant County, from SH 114/Spur 103 south 1.5 miles (2.4 km) to a point near a road intersection.

The two routes are briefly concurrent along Parker Road before FM 2551 turns to the north along Dillehay Drive.

The route enters Allen, where it is known as Angel Parkway, before ending at FM 2170 near the Lucas city limits.

The highway was rerouted onto Jack Borden Way near the town square in 2016 as part of the city's plan to alleviate vehicle traffic in the area.

[84][85] FM 2552 was originally designated on October 31, 1958, running from US 82 west of New Boston southward to SH 98 at a distance of 3.0 miles (4.8 km).

A previous route numbered FM 2555 was designated on October 31, 1958, running from SH 146 northeast of Liberty, northward to a county road at a distance of 5.3 miles (8.5 km).

[128] It runs northward, passing west of the Rita Blanca National Grassland, to the Oklahoma state line.

A previous route designated Farm to Market Road 2588 (FM 2588) was located in Lipscomb County.

It then curves to the northwest along the northern shore of the reservoir and continues on a path parallel to the nearby Pecos River.