California Department of Transportation
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State Transportation Improvement Program (STIP)

The State Transportation Improvement Program (STIP) is the biennial five-year plan adopted by the Commission for future allocations of certain state transportation funds for state highway improvements, intercity rail, and regional highway and transit improvements. State law requires the Commission to update the STIP biennially, in even-numbered years, with each new STIP adding two new years to prior programming commitments.


Current Files

Orange Books (STIP Balances County and Interregional Shares Report)

To access the electronic copies of the STIP Balances County and Interregional Shares reports since 1999, please click on the link below.