Skip to Content

Transportation Improvement Program

The Transportation Improvement Program (TIP) is a federal- and state-mandated program document that includes information concerning local highway, state highway, and transit projects and services for the following six years. It is revised in its entirety every two years and is open for amendment submissions once a month.

The TIP lists every transportation project that will receive federal funds or is subject to a federally required action (e.g. review for air quality impact). It also covers all capacity-enhancing and non-capacity transportation projects programmed with federal, state, or local funds, as well as the capital and operational details of highway and transit projects.

Lastly, the TIP lists all of the following projects that are defined by the Southern California Association of Governments (SCAG) as regionally significant whether or not they require federal funding:

  • Freeways
  • State highways
  • Principle arterials (eight-lane divided roadways)
  • Major arterials (as defined by county)
  • Routes to major activity centers
  • Goods movement routes
  • Intermodal transfer facilities (e.g. rail stations, airports)
  • Fixed transit routes (e.g. light and heavy rail, commuter rail, bus)

All transportation projects must be listed in the TIP to be eligible for federal and state funding, federal and state permits, and review of Environmental Impact Reports and Environmental Impact Statements.

In order for federal funds to be released to the listed project sponsors, the TIP must be reviewed for air quality conformity with the federal and state laws, SCAG regulations, the California Department of Transportation (Caltrans), and the U.S. Department of Transportation (USDOT).

Upon approval, the TIP is incorporated into the Regional Transportation Improvement Program (RTIP) by SCAG, the Federal Statewide Transportation Improvement Program (FSTIP) prepared by Caltrans, and into the Federal Transportation Improvement Program (FTIP) approved by the USDOT.

Access the ProgramMetro online TIP database .

ProgramMetro is Los Angeles County's online TIP database. It eliminates the need for manual project submissions and ensures that both Metro and lead agencies have access to the most up-to-date entries.

Agencies must view, edit, and submit their transportation projects into the TIP through ProgramMetro. Metro will not carry out these actions on their behalf.

In addition to TIP documents, emissions analysis data and various other reference materials can be found in ProgramMetro's News & References section.

The Metro TIP team regularly conducts two kinds of TIP workshops for agents responsible for programming transportation funds:

TIP Informational Overview Workshops

Don't understand what the TIP is? At least once a year, we offer an informational overview workshop to explain the TIP process, its significance, and how it fits into an agency's overall project delivery plan. Depending on the time of year and/or the period of the TIP cycle, actions covered in the workshop may be different.

ProgramMetro TIP Database Training Sessions

Need to add your transportation project into the county TIP document? Attend one of our monthly ProgramMetro TIP database training sessions! These hands-on workshops give attendees an opportunity to learn the different features of our online TIP database so that they can edit, review, and submit transportation projects to the county TIP.

Who Should Attend?

Our TIP workshops focus primarily on public agencies in the Los Angeles region that deal with transportation projects. All staff members of public works, community development, and transit agencies who deal directly with local, state, or federal transportation funds should attend these workshops.

Workshop Schedule

For information regarding the next TIP informational overview workshop or ProgramMetro TIP database training session, please contact us .


The TIP is revised once every odd year (2013, 2015, 2017, 2019 etc.).

ProgramMetro is open for TIP project submissions in the late summer/early fall of the calendar year prior to each TIP adoption. The project submissions are then forwarded to SCAG for review the next summer and approved by federal agencies that December.

For example, project submissions for the 2019 TIP adoption are due to Metro Fall 2017. Metro will forward the projects to SCAG for review Summer 2018 and projects will be approved by federal agencies December 2018.

Agencies are responsible for keeping project submissions up to date during the adoption process. This includes reviewing, updating, and carrying over projects from the previous TIP document into the current one.

Amendments and Administrative Modifications

On a monthly basis between TIP adoptions, agencies are given the opportunity to update their projects on ProgramMetro. Depending on the degree of change to the project, updates can be done through one of the two following procedures:

1. Amendment (formal)

  • This procedure is for projects that require major changes.
  • Project changes are submitted to Metro and then passed on to SCAG, then to Caltrans, and then finally to the USDOT for federal approval.
  • Because of the many layers of review, amendments can take up to 3 months for federal approval.

2. Administrative Modification (informal)

  • This procedure is for projects that require minor changes such as cost increases under 40% or new funding sources.
  • Project changes are submitted to Metro and then passed on to SCAG.
  • SCAG has the delegated authority to approve administrative modifications, so this process is much quicker than the amendment process.

Submissions for either procedure are done in the same way on ProgramMetro. All submissions received before the 1 st day of every month will be considered for the next available amendment or administrative modification.

Please note that for project amendments to be approved by SCAG, the changes must meet the following criteria:

  • May not affect the regional emissions analysis
  • May not affect the timely implementation of the Transportation Control Measures
  • May not adversely impact financial constraint
  • Stay consistent with the adopted Regional Transportation Plan (RTP)

Amendments and Administrative Modifications Schedule

Access the ProgramMetro TIP database