County Route J14 is a 47.91-mile highway located within Stanislaus County and Calaveras County. Presently County Route J14 is aligned between California State Route 99 in Turlock to California State Route 26 near Jenny Lind. County Route J14 traverses some of the more obscure areas of northern San Joaquin Valley and the Sierra Nevada Foothills. A portion of California State Route 165 from Turlock to Los Banos was once part of the original scope of County Route J14.
Part 1; the history of County Route J14
County Route J14 was not one of the original Sign County Routes defined in 1958 when the California County Route Marker Program began. County Route J14 was defined sometime between 1964-65 as a new highway aligned from California State Route 152-33 in Los Banos north to California State Route 26 near Jenny Lind. As originally defined County Route J14 was approximately 78 miles in length which made it slightly longer than County Route J16. County Route J14 can be seen below on the 1966 Gousha California Highway Map published at the behest of the California State Department of Public Works.
County Route J14 south of California State Route 99 in Turlock to California State Route 152-33 in Los Banos was spun off into the second designation of California State Route 165 by way of 1970 Legislative Chapter 1473. The second California State Route 165 was defined as a 38-mile highway between California State Route 99 in Turlock to Interstate 5 approximately 9 miles south of Los Banos. The creation of the second California State Route 165 aligns with the opening of Interstate 5 in the Los Banos area. California State Route 165 seemingly was designated to permit access from a State maintained facility in Los Banos to both Interstate 5 and California State Route 99. It is not clear if County Route J14 ever reached Interstate 5 when freeway opened south of Los Banos.
California State Route 165 can be seen on the 1975 Caltrans Map complete between Interstate 5 and Stevinson. The unbuilt segment of California State Route 165 between Stevinson to Turlock likely was not up to State standards and probably was signed as County Route J14.
California State Route 165 is shown complete to Turlock on the 1979 Caltrans Map. It was likely at this point that County Route J14 was truncated to California State Route 99.
The present scale of County Route J14 can be observed on the below maps (courtesy cahighways.org).
Part 2; a drive on County Route J14
From northbound California State Route 99 traffic in Turlock of Stanislaus County can access California State Route 165 and County Route J14 via Exit 211. Traffic headed onto County Route J14 is directed to turn north onto Linder Avenue towards downtown Turlock and Oakdale.