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(詳細は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). == 1–99 == . State Route 11 is a proposed 3-mile (4.8 km) tolled 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. 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 was once proposed as the Reseda Freeway. The post miles on the existing alignment reflect the existence of this unconstructed segment, but the new exit numbers on State Route 14 suggest this segment has been abandoned. 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. However, Section 339(c) of the California Streets and Highways Code designates Harbor Boulevard and Azusa Avenue to be on the corridor between the two existing segments. As yet, the California Transportation Commission, as empowered in Section 75(a) of the California Streets and Highways Code, has not adopted the Harbor Boulevard-Azusa Avenue link. It is noted that an END Route 39 sign exists at the intersection of Whittier Boulevard and Fullerton Road. In addition, the northernmost 4.5 miles of Route 39, in the Angeles National Forest between 1.8 miles north of Crystal Lake Road and Route 2 at Islip Saddle, have been closed since a 1978 landslide. State Route 47 is constructed as freeway 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) segment along Ocean Boulevard is currently being upgraded, and the 7.6-mile (12.2 km) portion along Henry Ford Avenue and Alameda Street north to SR 91 has been upgraded as part of the Alameda Corridor Project, existing as a mostly below-grade surface street. 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. 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. State Route 54 is unconstructed from 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. 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, although Monterey Ave provides a route between the highway terminus and Interstate 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.〔http://www.dot.ca.gov/hq/tpp/corridor-mobility/D8_docs/TCRs/sr-81.pdf〕 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. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Unconstructed state highways in California」の詳細全文を読む スポンサード リンク
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