San Joaquin Council of Governments
San Joaquin Council of Governments

Planning, financing and coordinating transportation
for the Cities of Stockton,
Lodi, Manteca, Tracy, Ripon, Escalon and Lathrop; and the County of San Joaquin.
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PROGRAMS & PROJECTS > Highway and Interstate Projects

  State Route 99 Shield

 State Route 99 South Stockton
 Widening Project

 

Project DescriptionSR 99 South Stockton Widening Project Map
This projectwill widen State Route (SR)99 from a four to a  six-lane freeway from north of Arch Road to the Crosstown Freeway (Hwy 4 west).

The project will also rebuild all bridges; rebuild existing interchanges and permanently close some existing interchanges. The project will also construct, reconstruct, or modify interchanges to accommodate the mainline widening to improve operations and safety. These interchanges are Mariposa, Farmington, Charter Way, and a new interchange at Golden Gate (renamed Martin Luther King).

Charter Way will be reconstructed at the Main Street overcrossing to accommodate two-way traffic. The Charter Way and Clark Drive on-and-off ramps will be closed; and the Charter Way and Farmington Road access to SR 99 will be reconfigured.  

Total Project Cost $250.5 million
 
Funding Breakdown:
SR 99 Bond $153.9 million
Measure K $ 77.1 million
Regional Transportation Impact Fees $   5.0 million
Regional Transportation Improvement Program $ 13.0 million
Interregional Transportation Improvement Program $   1.5 million

Project Schedule
Begin:  Complete:     
Environmental April 2006 December 2008
Design December 2008 February 2012
Right-of-Way February 2008 January 2012
Construction May 2012 June 2015

 Project Resources (click photos to enlarge)
 
 South Stockton Cross Section      
 6-Lane Cross Section      South Stockton Widening Alternative 2

 Project Partners

Caltrans        San Joaquin County     City of Stockton

   

 

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555 E. Weber Ave., Stockton CA 95202-2804, 209.235.0600, 209.235.0438 fax