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California State Route 108: Wikis


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State Route 108 shield
State Route 108
Defined by S&HC § 408, maintained by Caltrans
Length: 120 mi[1] (193 km)
West end: SR 99 / SR 132 in Modesto
SR 120 in Oakdale
SR 49 in Sonora
East end: US 395 near Bridgeport
State highways in California (list - pre-1964)
< SR 107 SR 109 >
History - Unconstructed - Deleted - Freeway - Scenic

State Route 108, also known as Highway 108, is a numbered state highway in California. SR 108 runs generally northeast across central California from downtown Modesto near the SR 99/SR 132 interchange to U.S. Route 395 near the Nevada state line. The route was once recommended to continue south of Modesto to Interstate 5, although today the route is a county road.

This route is part of the California Freeway and Expressway System[2] and is eligible for the State Scenic Highway System[3].


Route description

State Route 108 begins in downtown Modesto at the junction of SR 99 and SR 132, overlapping SR 132 for several blocks northeast on L Street to 9th Street. There it splits into a short one-way pair, with eastbound SR 108 turning southeast with SR 132 on 9th Street to K Street and then northeast to Needham Street; the westbound direction remains on L Street to Needham Street. After several blocks eastward on Needham Street, SR 108 reaches McHenry Avenue, which it follows north out of the city.

From Modesto, SR 108 runs north along McHenry Avenue for about 7 miles (11 km) before turning eastward on Patterson Road to follow the Stanislaus River east-northeast. In Riverbank, County Route J7 comes from the north and departs to the south after about a one mile (1.6 km) co-routing. After following the river about 10 miles (16 km), SR 108 passes straight through the heart of downtown Oakdale.

At the main intersection in Oakdale, SR 120 joins SR 108 from the north and they are co-signed as they continue northeast, climbing into the foothills and passing just south of Knights Ferry. SR 120 brings with it the title Northern Yosemite Highway for this segment; with State Route 132 being the middle route from the west and State Route 140 being the southern route to Yosemite. Just past Knights Ferry, SR 108 crosses from Stanislaus County into Tuolumne County, and the road changes from two lanes to four-lane separated highway for about 6 miles (9.7 km). This is advantageous as steep grade is located along this stretch of the road and the extra lanes are useful as passing lanes both ascending and descending the mountain range. About a mile after the end of the separated pavement, La Grange Road (County road J59) heads south, passing just west of Lake Don Pedro and meeting SR 132 near the town of La Grange. Another 3 miles (4.8 km) eastward, at Yosemite Junction, SR 120 finally separates from SR 108 and heads southward toward to a co-routing with State Route 49 through Chinese Camp and across the upper end of Lake Don Pedro.

Another 3 miles (4.8 km) eastward, SR 49 joins from the south and is co-routed with SR 108 through Jamestown and into Sonora, where SR 49 departs to the north. SR 108 continues eastward and gains elevation as it passes through Twain Harte, Mi-Wuk Village, Long Barn, Cold Springs, Strawberry-Pinecrest Lake and Dodge Ridge Ski Area, then on to Dardanelle and Kennedy Meadow. SR 108 crosses the summit of the Sierra Nevada mountains at Sonora Pass, then descends past the Mountain Warfare Training Center at Pickel Meadows, finally reaching the eastern terminus at Sonora Junction where it meets U.S. Route 395.

Major intersections

Note: Except where prefixed with a letter, postmiles were measured in 1964, based on the alignment as it existed at that time, and do not necessarily reflect current mileage. The numbers reset at county lines; the start and end postmiles in each county are given in the county column.
County Location Postmile
Destinations Notes
STA 132 14.73-120 T18.17
Modesto 132 14.73 SR 132 west (Maze Boulevard) – Vernalis Continuation beyond SR 99
132 14.73 SR 99Stockton, Merced Interchange
132 15.06
SR 132 east (9th Street) East end of SR 132 overlap
24.81 Briggsmore Avenue
26.06 Standiford Avenue, Sylvan Avenue
27.62 SR 219 west (Kiernan Avenue) to SR 99 / Claribel Road – Salida
29.15 CR J6 (McHenry Avenue) – Escalon
Riverbank 31.05 Oakdale Road
32.44 CR J7 north (1st Street) West end of CR J7 overlap
33.38 CR J7 south (Claus Road) East end of CR J7 overlap
Oakdale 38.24
120 5.12
SR 120 west / CR J9 / CR J14 (Yosemite Avenue) – Escalon, Manteca West end of SR 120 overlap
TUO 120 R0.00-66.97
120 8.19 CR J59 (La Grange Road) – La Grange, Merced
CR E15 (O'Byrnes Ferry Road) – Copperopolis
120 12.08
SR 120 east – Chinese Camp, Groveland, Yosemite East end of SR 120 overlap
49 R11.59
SR 49 south – Chinese Camp, Yosemite West end of SR 49 overlap
Sonora 49 16.48
SR 49 north – Downtown Sonora, Angels Camp Interchange; east end of SR 49 overlap; former SR 108 east; west end of Sonora bypass
R2.20 Mono Way Interchange; former SR 108
R3.42 Hess Avenue, Phoenix Lake Road Interchange
T4.54 Peaceful Oak Road East end of Sonora bypass
T4.70 Mono Way, Standard Road Mono Way was former SR 108 west
Twain Harte R11.75 CR E17 (Tuolumne Road) / Twain Harte Drive – Twain Harte
MNO 0.00-15.15
15.15 US 395Walker, Carson City, Bridgeport, Bishop

External links




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