Unconstructed state highways in California

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Main article: State highways in California

The following state highways in the U.S. state of California are entirely or partially unconstructed; in other words, their routings have been defined by state law, but no route has been adopted by the California Department of Transportation (Caltrans).

1 1–99
2 100–199
3 200–999
4 See also
5 References
6 External links

[edit] 1–99

State Route 11 is a proposed 3-mile (4.8 km) route to a future Mexican border crossing east of Otay Mesa. It would run southeast from near the junction of SR 905 and SR 125 to the crossing.

< I-10			SR 12 >

The westernmost 9.2 miles (14.8 km) of State Route 12 are unconstructed, from SR 116 in Sebastopol west to SR 1.

The south end of State Route 13 is unconstructed, extending 4.5 miles (7.2 km) beyond I-580 to SR 61 near the Oakland International Airport. A very short piece at the north end has also not been built, extending west into the San Francisco Bay to the unconstructed SR 61 freeway.

A 21.8-mile (35.1 km) extension of State Route 14 from the Newhall Pass interchange with I-5 south to SR 1 northwest of Santa Monica has been proposed as the Reseda Freeway.

State Route 18 is unconstructed from its end at SR 210 in San Bernardino south to I-10, a distance of 4.1 miles (6.6 km).

A 15.1-mile (24.3 km) eastern extension of State Route 24 from I-680 at Walnut Creek to SR 4 near Pittsburg is unconstructed.

The eastern segment of State Route 36, stretching 17.0 miles (27.4 km) from SR 139 north of Susanville east to US 395 near Termo, was unconstructed until it was deleted from the legislative definition in 1998.

An unconstructed 11.2-mile (18.0 km) western extension of State Route 37 runs from US 101 near Novato to SR 1 near Nicasio.

11.4 miles (18.3 km) of State Route 39 are unconstructed, from La Habra north to I-10 in Azusa. In addition, the north end of the highway has been closed since a 1978 landslide.

State Route 47 is constructed from I-110 in San Pedro east to the east end of the Vincent Thomas Bridge and from I-710 north to the split with SR 103. The 1.2-mile (1.9 km) gap between these sections along Ocean Boulevard and the 7.6-mile (12.2 km) portion along Henry Ford Avenue and Alameda Street north to SR 91 are planned for upgrading. Caltrans has no plans for the remainder of the legislated route, stretching 8.6 miles (13.8 km) north from SR 91 to I-10 near downtown Los Angeles.

For the former route signed as Route 48, see U.S. Route 48 in California.

State Route 48 is completely unconstructed, stretching 8.5 miles (13.7 km) from the northern junction of SR 14 and SR 138 near Lancaster east to proposed SR 122.

SR 48 was originally planned to run from Ridge Route Road (approximately four miles east of Interstate 5) near Quail Lake in Los Angeles County to SR 122 near the Los Angeles / San Bernardino County Line. The segment between Ridge Route Road and SR 14 was signed as SR 138, which was defined on a southeastely course through or paralleling Oakdale and Pine Canyons to meet SR 14 in Palmdale opposite the easterly continuation of Route 138. The planned rerouting was known as the Metropolitan Bypass Freeway. In the mid 1960s, because of constructability issues on the proposed realignment of Route 138 through or near Oakdale and Pine Canyons, the proposed junction, and thus the west end of SR 48, was moved east to 170th Street West. In 1995, the segment of SR 48 between 170th Street West and SR 14 was transferred to SR 138, leaving only the unconstructed portion.^{[citation needed]}

< SR 47			SR 49 >

The easternmost portion of State Route 52, stretching from SR 125 to SR 67 near Santee, has not been constructed. Update: Construction began on this segment on January 19, 2008.

State Route 54 is unconstructed between SR 125 and SR 94 near Spring Valley.

State Route 56 is unconstructed from I-15 east through Poway to SR 67.

A southerly extension of State Route 57, stretching 13.0 miles (20.9 km) from SR 22 near Santa Ana south to SR 1 near Huntington Beach, is unconstructed.

A total of 24.3 miles (39.1 km) of State Route 61 are unconstructed, running south from SR 112 near San Leandro to SR 84 near Newark and north from SR 260 in Alameda to I-580 near Albany.

State Route 64 is an unconstructed 30-mile (48.3 km) freeway connecting SR 1 near Malibu Beach with I-5 at SR 170 south of San Fernando. It was legislated in 1959 as Route 265, and renumbered Route 64 in 1964.

< SR 63			SR 65 >

Over two-thirds of State Route 65 is a proposed route through the eastern San Joaquin Valley, splitting the maintained route in two. This unconstructed highway stretches 215.9 miles (347.5 km) from SR 198 near Exeter to I-80 near Roseville.

The eastern end of State Route 74 is unconstructed, from SR 111 in Palm Desert north 5.5 miles (8.9 km) to I-10.

State Route 77 presently stretches only 0.4 miles (0.6 km) from I-880 northeast to SR 185 in Oakland. A 13.4-mile (21.6 km) extension is unconstructed, running generally northeast to SR 24 near Lafayette.

State Route 81 is an entirely-unconstructed 30.9-mile (49.7 km) freeway from I-215 southeast of Riverside west and north around the south and west sides of Riverside to I-15 south of Devore. It was defined in 1959 as Legislative Route 276 and renumbered to Route 81 in 1964.

< I-80			SR 82 >

A 13-mile (21 km) piece in the middle of State Route 84 is unconstructed, stretching north from I-580 in Livermore to SR 4 near Brentwood.

An unconstructed northern extension of State Route 87 runs from the present end at US 101 to SR 237 near Alviso.

The central portion of State Route 90 is unconstructed, stretching from I-405 east to SR 39.

A short 2.2-mile (3.5 km) easterly extension of State Route 92, from the current end at SR 238 to I-580, is unconstructed.

All of State Route 93 is unconstructed, on a 17.9-mile (28.8 km) route from the proposed SR 77 near Moraga northwest, west, and southwest to I-580 in Richmond.

[edit] 100–199

State Route 100 is a completely unconstructed beachfront loop in Santa Cruz, stretching 4.5 miles (7.2 km) from SR 1 west of downtown to SR 1 near SR 17.

< SR 99			US 101 >

State Route 102 is a 37.5-mile (60.4 km) unconstructed freeway that would generally parallel I-80, beginning at I-5 near SR 99 north of Sacramento and heading east across I-80 and northeast to I-80 near Auburn.

< US 101			SR 103 >

8.3 miles (13.4 km) of State Route 104 are unconstructed, stretching east from SR 49 near Amador City to SR 88 near Pine Grove.

A 21.5-mile (34.6 km) extension of State Route 108 is unconstructed, from its present west end at SR 132 in Modesto southwest to I-5 near Crows Landing.

The southern 1.3 miles (2.1 km) of the 2-mile (3 km) State Route 109, which stretches from US 101 to SR 84 in East Palo Alto, remain unconstructed.

A 10.5-mile (16.9 km) eastern segment of State Route 118 is unconstructed, running from I-210 near Sunland east to proposed SR 249 north of La Cañada Flintridge.

State Route 122 is a completely unconstructed 61.3-mile (98.7 km) freeway, defined to run from SR 14 south of Palmdale northeast and east past the east end of proposed SR 48 to SR 58 west of Barstow.

< SR 121			SR 123 >

The portion of State Route 125 north of SR 52 near Santee is unconstructed, ending at proposed SR 56 near Poway.

The easternmost 10.4-mile (16.7 km) portion of State Route 128 is unconstructed, connecting I-505 near Winters (the current end) with SR 113 near Davis.

The majority of State Route 130 is unconstructed, stretching 46.8 miles (75.3 km) from the present end at Mount Hamilton east to SR 33 near Patterson.

The eastern segment of State Route 142, the 9.5-mile (15.3 km) Carbon Canyon Freeway, is unconstructed, running from SR 71 near Chino to SR 210 near Upland.

State Route 143 is a 19.7-mile (31.7 km) unconstructed eastern bypass of Sacramento, beginning at SR 99 near Elk Grove and ending at the east end of SR 244 near Carmichael.

< SR 142			SR 144 >

State Route 148 is an unconstructed southern bypass of Sacramento, stretching 16.3 miles (26.2 km) from I-5 east to proposed SR 65.

< SR 147			SR 149 >

A 15.1-mile (24.3 km) easterly extension of State Route 152 is unconstructed, connecting the current east end at SR 99 near Chowchilla with proposed SR 65.

A 62.9-mile (101.2 km) portion in the middle of State Route 162, between Covelo and Elk Creek, is unconstructed.

The southernmost 1.4 mile (2.3 km) of State Route 164 is unconstructed, connecting SR 19 with I-605 near Pico Rivera.

An 18.2-mile (29.3 km) portion in the middle of State Route 169 along the Klamath River is unconstructed, between Klamath Glen and Johnsons.

The southerly section of State Route 170 is the 4.5-mile (7.2 km) unconstructed Skyway Freeway, which would link Los Angeles International Airport with SR 90 (itself unconstructed there).

56.0 miles (90.1 km) of State Route 178 is unconstructed, from east of Ridgecrest to the Death Valley National Monument.

State Route 179 is an entirely unconstructed 13.8-mile (22.2 km) route connecting I-80 near Vacaville with SR 128 near Lake Berryessa. A locally maintained traversable route has been defined via Cherry Glenn Road and Pleasants Valley Road.

< SR 178			SR 180 >

State Route 180 is unconstructed from its present end at SR 33 in Mendota west to I-5, and from I-5 west to SR 25 near Paicines, a total of 81.2 miles (130.7 km). The latter segment would be along Panoche Road, but Caltrans has no plans to take it over.

State Route 181 is a 9.5-mile (15.3 km) route, entirely unconstructed, following Mirabel Road and River Road from SR 116 near Forestville to US 101 north of Santa Rosa. Caltrans has no plans to take it over.

< SR 180			SR 182 >

The central portion of State Route 190 is unconstructed, stretching 43.0 miles (69.2 km) from Quaking Aspen in the Sequoia National Forest to US 395 at Olancha.

[edit] 200–999

State Route 211, formerly part of SR 1, stretches only 5 miles (8 km) from US 101 near Fernbridge to Ferndale. A locally maintained traversable route, which the state does not plan to take over, continues south from Ferndale for 102.8 miles (165.4 km) along Mattole Road, Wilder Ridge Road, Kings Peak Road, Chemise Mountain Road, and Usal Road to SR 1 near Rockport.

A 5.0-mile (8.0 km) western extension of State Route 217 is unconstructed, leading from the present end at the University of California at Santa Barbara northwest to US 101.

The southern end of State Route 227 is unconstructed, stretching 1.7 miles (2.7 km) from US 101 in Arroyo Grande to SR 1 east of Oceano.

State Route 230 is a 4.1-mile (6.6 km) completely unconstructed route in southeastern San Francisco and San Mateo County, linking US 101 with I-280 along the San Francisco Bay. Except for the southern end, the route was part of SR 87 until 1970, when SR 87 was cancelled north of SR 237. Some of the plans for a Southern Crossing across the bay would have used SR 230.

< SR 229			SR 231 >

State Route 234 and State Route 235 are unconstructed southern and northern bypasses of Stockton, each linking I-5 with SR 99. Caltrans has no plans to build either, but has identified locally-maintained traversable routes: French Camp Road for the 3.4-mile (5.5 km) SR 234, and Eight Mile Road for the 6.4-mile (10.3 km) SR 235.

< SR 233			SR 236 >

A northern extension of State Route 238 is unconstructed, stretching west 1.6 miles (2.6 km) from the end of I-238 at I-580 to proposed SR 61 near San Lorenzo.

State Route 239 is a 17-mile (27.4 km) unconstructed route that would link I-580 at I-205 west of Tracy with SR 4 near Brentwood. Caltrans has identified Mountain House Road and Byron Highway (CR J4) as a traversable route, but has no plans to maintain it. In 2005, the federal legislation known as SAFETEA-LU provided $14 million for the purpose of studying the route's corridor and funding its construction.

< SR 238			SR 241 >

The south end of State Route 241, from Oso Parkway south to I-5 near San Clemente, is unconstructed.

Until 1994, State Route 244 included an unconstructed extension from Auburn Boulevard east to Fair Oaks Boulevard.

State Route 249 is a 13.5-mile (21.7 km) unconstructed route that would connect SR 2 north of La Cañada Flintridge with SR 14 south of Palmdale. Angeles Forest Highway (CR N3) follows the general alignment, but Caltrans has no plans to take it over.

< SR 247			SR 251 >

State Route 251 is a completely unconstructed route, defined to extend from I-580 near Point San Quentin to SR 1 near Point Reyes Station. The 1.6-mile (2.6 km) portion east of US 101 has a locally maintained traversable route on Sir Francis Drake Boulevard, and Caltrans is rebuilding it with the intent to adopt it. The rest is the proposed 22.9-mile (36.9 km) Point Reyes Freeway, and was part of SR 17 until 1984, when SR 17 over the Richmond-San Rafael Bridge became I-580.

State Route 257 stretches 19.6 miles (31.5 km) from a proposed relocation of SR 34 east of Port Hueneme west and northwest around Oxnard to US 101 near Ventura. 5th Street and Harbor Boulevard has been identified as a traversable routing, but Caltrans has no plans to maintain the streets.

< SR 255			SR 258 >

State Route 258 is a proposed 17-mile (27.4 km) freeway paralleling Western Avenue from the north end of SR 213 at I-405 near Torrance north to US 101 near Hollywood.

< SR 257			SR 259 >

The easternmost 3.5 miles (5.6 km) of State Route 270 are unconstructed, being maintained by the California Department of Parks and Recreation inside the Bodie State Historical Park.

State Route 276 is an 8.5-mile (13.7 km) unconstructed route from SR 198 near Three Rivers east to Sequoia National Park. It initially stretched further east through the park (though it was not part of the park at the time) to Mineral King, where the Walt Disney Company planned to build a recreational development.^{[citation needed]}

< SR 273			I-280 >

The majority of State Route 281 is unconstructed, stretching 14.0 miles (22.5 km) from the current end at Clear Lake northwest to SR 29 south of Lakeport.

State Route 380, a 4.4-mile (7.1 km) western extension of I-380, was to connect the end of I-380 at I-280 in San Bruno with SR 1 near Pacifica.

State Route 605 is a 3-mile (4.8 km) unconstructed southern extension of I-605 from I-405 to SR 1 near Seal Beach.

Two segments of Interstate 710 are uncontructed: 3.5 miles (5.6 km) from SR 1 south and west to SR 47 on Terminal Island, which Caltrans is working on upgrading, and 3.5 miles (5.6 km) from Valley Boulevard north to Columbia Street in Pasadena, which is being studied.

Two parts of State Route 905 are unconstructed: 3.2 miles (5.1 km) stretching from the west end at I-5 southwest to the Mexican border, and 4.2 miles (6.8 km) filling the gap between a point east of I-805 and SR 125. The latter is being planned.