This is a floating closed javascript menu.

County Route Shield

San Joaquin
County Sign Route J12

[Click here for a key to the symbols used. Some county routes were constructed with federal funds. These routes are indicated as FAP (Federal Aid Primary), FAU (Federal Aid Urban), or FAS (Federal Aid Secondary). If no funding source is shown, no federal funds were used. Note that while some segments seem to have the same attributes, they may differ in the county-local road number assigned to the segment, or in the Caltrans Map Sheet number.]

Routing Routing

  1. Cty Rte J12Peltier Road from Thorton Road (County Sign Route J8) to Tully Road (FAS, 14.50 mi)

  2. Tully Road from Peltier Road to Jahant Road (FAS, 1.36 mi)

  3. Jahant Road from Tully Road to Mackville Road (FAS, 2.48 mi)

  4. Mackville Road from Jahant Road to Collier Road (FAS, 0.28 mi)

  5. Collier Road from Mackville Road to Route 88 near Dogtown (FAS, 1.03)

History and Signage Information History and Signage Information

This route was defined in 1960.

Status Status

Total mileage: 19.65 mi.

Acronyms and Explanations:

Back Arrow CR J11 Forward Arrow CR J13

© 1996-2020 Daniel P. Faigin.
Maintained by: Daniel P. Faigin <>.