There are 26 state roads that are shorter than long in the U.S. state of New Mexico that are maintained by the New Mexico Department of Transportation. The shortest, State Road 446, is a quarter-mile (402 m) long and serves to connect Valmora to State Road 97. State Road 597, the second shortest highway, links U.S. Route 160 to the Four Corners Monument, a tourist destination on the Navajo Nation where the states of Utah, Arizona, New Mexico, and Colorado meet. In comparison, the longest state road in New Mexico is State Road 120, long, which is more than 475 times longer than the shortest state road. State Road 99 State Road 99 (NM 99) was a very short state highway located entirely in Albuquerque. The highway began at Central Avenue (former US 66) and ended at the Johnson Gym within the University of New Mexico. The exact dates of existence are unknown. State Road 106 State Road 106 (NM 106) is a long state highway located entirely in Santa Fe County. The highway begins at a four way intersection with concurrent U.S. Route 84 (US 84 ) / US 285 and NM 399. The highway travels north through Sombrillo, over the Santa Cruz River to a t-intersection with NM 76. State Road 138 State Road 138 (NM 138) is a long state highway located entirely in Doña Ana County. The highway begins at a four-way intersection with NM 478 and Watson Lane, traveling eastbound on Tortugas Drive to an intersection with Espina Street. The highway turns north and terminates at Stern Drive just east of Interstate 10. State Road 144 State Road 144 (NM 144) is a long state highway located entirely in San Miguel County. The highway begins at an intersection with NM 65 and ends at the Camp Luna Technical Vocational Institute. State Road 158 State Road 158 (NM 158) is a long state highway located entirely in Doña Ana County. The highway begins at an intersection with NM 185 and travels northeast along Lujan Hill Road to its eastern terminus at Doña Ana Road. The roadway continues east as County Highway D053. State Road 177 State Road 177 (NM 177) is a long state highway located entirely in Sierra County. The highway forms a loop from NM 51 near the Elephant Butte Lake State Park. NM 177 is the southern terminus of NM 195. State Road