List of Farm to Market Roads in Texas (800–899)

Farm to Market Road 800 (FM 800) is located in Cameron County in the Lower Rio Grande Valley. FM 800 begins at an intersection with FM 2520 southwest of San Benito. The highway travels in a northwest direction and intersects FM 509 and FM 1479 in Rangerville. FM 800 runs in a westward direction before turning to the north at FM 3067 near La Feria. The highway runs in a predominately northward direction along Bass Boulevard and briefly enters Harlingen where FM 800 meets I-2/US 83. FM 800 continues to run north before ending at intersection with SH 107 between Santa Rosa and Combes. FM 800 was designated on July 20, 1948, running from US 83 near La Feria to SH 107. On November 23 of that year, the highway was extended south and eastward to FM 509. On July 15, 1949, FM 800 was extended eastward to Sam Houston Boulevard, which later became FM 2520 on October 31, 1957. ;Junction list {{TXint ==FM 801==

Farm to Market Road 801 (FM 801) is located in Cameron County. FM 801 begins at an intersection with FM 800 in the southernmost part of Harlingen. The highway travels in a northeast direction along Ed Carey Drive before ending at I-69E/US 77/US 83. Ed Carey Drive continues north past here as Loop 499. FM 801 was designated on July 20, 1948, running from US 77 to a point to the southwest. On June 8, 1949, the highway was extended farther southwest to FM 800. On August 1, 1963, FM 801 was extended another mile along Ed Carey Drive into Harlingen; this section was cancelled on May 21, 1979, when Loop 499 was created. ==FM 802==

Farm to Market Road 802 (FM 802) is located in Brownsville. FM 802 begins at an intersection with US 281. The route travels eastward along Ruben M. Torres Sr. Boulevard, and lies to the north of the Los Fresnos Canal. It crosses I-69E / US 77 / US 83, FM 1847, and SH 48 before ending at an intersection with FM 511 north of Brownsville Airport. FM 802 was initially designated on July 20, 1948, consisting of a segment from US 83 eastward to SH 48. On November 23, 1948, a westward extension to US 281 was added, and the eastern extension to FM 511 occurred on November 20, 1951. Originally, FM 802 followed Coffee Port Road through Brownsville, but the route was relocated to a more northerly alignment on May 20, 1975. The designation reverted to FM 802 with the elimination of the Urban Road system on November 15, 2018. ;Junction list ==FM 803==

Farm to Market Road 803 (FM 803) is located in Cameron County. FM 803 begins at I-169/SH 550/FM 511 in northern Brownsville near Olmito. The highway travels along Olmitto North Road through the city's northern part. FM 803 intersects SH 100 before leaving Brownsville. The highway intersects FM 2893 and FM 510 between Green Valley Farms and Laureles. FM 803 runs through Arroyo Gardens-La Tina Ranch where it intersects FM 1561 before ending at FM 106. FM 803 was designated on July 20, 1948, running from Olmito to SH 100. The highway was extended farther north and west to FM 106 on November 23, 1948. The section of FM 803 between US 83 and FM 511 was removed from the state highway system on February 26, 1957. On November 10, 1967, the portion from FM 2358 (this section became part of FM 106 and the rest became part of FM 1847) west to FM 106 (this section was renumbered FM 2925) was transferred to rerouted FM 106. A new routing of FM 803 to I-69E/US 77 was constructed and was designated on December 13, 2018. ;Junction list ==FM 804==

Farm to Market Road 804 (FM 804) is located in Henderson County. it runs from US 175 to FM 607. FM 804 was designated on October 25, 1947, to run from FM 313 (later FM 314, now FM 607) in New York to Baxter. On August 21, 1950, the road was extended to US 175, replacing Spur 65 and completing its current route. ==FM 805==

Farm to Market Road 805 (FM 805) is located in Henderson County. It runs from SH 49 to Caddo Lake. FM 805 was designated on October 25, 1947, to run from SH 49 to Caddo Lake. On March 29, 1949, the road was extended along Caddo Lake Shore, completing its current route. ==FM 806==

Farm to Market Road 806 (FM 806) is located in Colorado County. It runs from US 90 in Columbus southwestward before state maintenance ends. The roadway continues past this point as CR 106, FM 806 was designated on July 20, 1948, running from west of Columbus southwestward . Its northern terminus was shifted to US 90 on January 27, 1949. ==FM 807==

Farm to Market Road 807 (FM 807) is located in Dallam and Hartley counties. FM 807 begins at an intersection with US 87/US 385/FM 998 in Hartley. The highway travels in a northern direction before turning to the east at County Road I before turning back to the north at FM 3422. FM 807 has an overlap with FM 281 before entering into Dallam County. After entering Dallam County, FM 807 has an overlap with FM 297. The highway continues to travel north and has a brief overlap with US 54 through the town of Conlen. FM 807 travels through the Rita Blanca National Grassland before ending at an intersection with US 287 in Kerrick near the Oklahoma state line. FM 807 was designated on July 20, 1948, running from US 54 in Conlen northward to the Rita Blanca National Grassland. On July 14, 1949, the highway was extended southward from Conlen to a road intersection. On May 23, 1951, FM 807 was extended farther south to FM 297. The highway was extended farther north through the Rita Blanca National Grassland on November 21, 1956. FM 807 was extended farther north on October 31, 1957, before being extended again to US 287 on February 27, 1958. On December 18, 1959, the highway was extended farther south into Hartley County to US 87/US 385 in Hartley, replacing part of FM 297 (a section became a spur connection) and all of FM 1712 and FM 2029 in the process. The spur connection was transferred back to FM 297 on May 6, 1964. ;Junction list {{TXint {{TXint {{TXint {{TXint {{TXint {{TXint ==FM 808==

Farm to Market Road 808 (FM 808) was located in Dallam County. No highway currently uses the FM 808 designation. FM 808 was designated on July 20, 1948, running from US 87 near Dalhart to a point northwest of there. On December 16, 1948, the highway was extended to the Texas/New Mexico state line. On April 30, 1955, FM 808 was signed (but not designated) as SH 102. FM 808 was cancelled on August 29, 1990, as the SH 102 designation became official. ==FM 809==

Farm to Market Road 809 (FM 809) is located in Oldham and Deaf Smith counties. It runs from I-40 in Wildorado to US 60 in Dawn. FM 809 was designated on August 24, 1948, to run from US 66 (now I-40) south to the Oldham/Deaf Smith County Line as a renumbering of FM 287 because the road was too close to US 287. On November 30, 1949, the road was extended south to a road intersection. On May 23, 1951, the road was extended to FM 1062. On June 27, 1951, the road was extended to US 60, replacing a section of FM 1062. ==FM 810==

Farm to Market Road 810 (FM 810) is located in Clay County. Its southern terminus is at SH 79 and SH 148 in central Petrolia. The two-lane route travels generally to the northwest, crossing the Wichita River before ending at Charlie, approximately north of FM 171. FM 810 was previously part of SH 148. SH 148 previously continued from Petrolia northward to the Oklahoma state line, but was truncated to Charlie on August 1, 1941. The portion of SH 148 between Petrolia and Charlie was then transferred to FM 810 on August 24, 1948. ==FM 811==

Farm to Market Road 811 (FM 811) is located in Leon County. It runs from SH 7 east of Centerville to FM 1119. FM 811 was designated on July 20, 1948, to run from SH 7 south to Guys Store. On November 24, 1959, the road was extended south to a road intersection. On November 3, 1972, the road was extended to FM 1119, completing its current route. ==FM 812==

Farm to Market Road 813 (FM 813) is located in Ellis County. FM 813 begins at an intersection with FM 878 in Waxahachie and runs in a slight northeast direction along Brown Street. FM 813 crosses US 287 near Waxahachie High School and runs close to several subdivisions before leaving the town. The highway runs in a northeast direction and intersects with FM 387. At an intersection with FM 983 southwest of Ferris, FM 813 turns to the southeast and runs through the town of Palmer where it meets I-45. The highway ends at an intersection with FM 660 southwest of Bristol. FM 813 was designated on July 20, 1948, running from Rockett to Grove Creek at a distance of approximately 10 miles. On November 23 of that year, the highway was extended southwestward to US 77 in Waxahachie. On July 15, 1949, FM 813 was extended to FM 660 southwest of Bristol. The last change came on January 27, 1950, when the section between US 77 and FM 878 in Waxahachie became a part of FM 878. ;Junction list {{TXint ==FM 814==

Farm to Market Road 814 (FM 814) is located in Fannin and Grayson counties. FM 814 begins at an intersection with SH 160 north of Desert. The highway travels in an eastern direction and briefly turns to the north between Grayson County Road 4460 and County Line Road. FM 814 has a brief concurrency with SH 121 in eastern Trenton before ending at an intersection with Bus. US 69/FM 815 near the town's square. FM 814 was designated on August 26, 1948, along its current route. ;Junction list {{TXint|type=concur {{TXint|type=concur ==FM 815==

Farm to Market Road 815 (FM 815) is located in Fannin County. It runs from Bus. US 69 in Trenton south to SH 78. FM 815 was designated on August 26, 1948, on the current route. ==FM 816==

Farm to Market Road 816 (FM 816) is located in Fannin and Hunt counties. It runs from SH 34 west and north to SH 78 in Bailey. FM 816 was designated on September 29, 1948, to run from SH 34 west to the community of Hickory Creek. On November 30, 1949, the road was extended north to SH 78 in Bailey, replacing FM 1551 and completing its current route. ==FM 817==

Farm to Market Road 817 (FM 817) is located in Bell County. It runs from FM 93 northeast to I-35/US 190 (Future I-14). FM 817 was designated on February 25, 1954, from SH 317 in Belton, northeast over old US 81 to US 81 (now I-35) southwest of Temple. On January 31, 1974, the section from SH 317 east was transferred to FM 93. On October 27, 1977, a section along Midway Drive was added, and the old route became FM Spur 817. On June 27, 1995, the entire route was redesignated Urban Road 817 (UR 817). On June 26, 2014, the spur connection was removed from the state highway system and returned to the city of Temple. The designation of the extant portion of the route reverted to FM 817 with the elimination of the Urban Road system on November 15, 2018. On September 29, 1948, the southern terminus of FM 817 was relocated, shortening the route's length. On November 30, 1949, the road was extended north to the Howard/Borden County line. FM 817 was cancelled on October 30, 1953, and transferred to FM 669. ==FM 818==

Farm to Market Road 818 (FM 818) is located in Howard County. It runs from I-20 west of Big Spring south, east, north, and east to RM 33. FM 818 was designated on March 1, 1948, to run from US 80 to Lomax. On September 26, 1954, the road was extended to RM 33, replacing FM 2128 and completing its current route. ==FM 819==

Farm to Market Road 819 (FM 819) is located in Angelina County. It runs from Loop 287 in Lufkin to County Road 288. FM 819 was designated on June 2, 1967, to run from US 59 northwest to a county road. On February 26, 1986, the road was extended northwest to Loop 287. On October 29, 1992, the road was extended southeast to FM 2108. On April 25, 2002, the road was extended to County Road 288, replacing FM 3312. FM 819 (1948–1950) The first use of the FM 819 designation was in Howard County, from US 87, north of Big Spring, west to the Martin County line. FM 819 was cancelled on June 29, 1950, and became a portion of FM 846. FM 819 (1958–1965) The next use of the FM 819 designation was in Hunt County, from FM 513 north of Campbell southwest to FM 499 southwest of Campbell. FM 819 was cancelled on May 1, 1965, and transferred to the newly-created SH 50 (now SH 24). ==FM 820==

Farm to Market Road 820 (FM 820) is located in Howard County. It runs from I-20 in Coahoma to SH 350. FM 820 was designated on June 1, 1948, to run from US 80 north . On November 30, 1949, the road was extended to SH 350, completing its current route. ==FM 821==