How It Works

12-Year Program (TYP)

The 12-Year Program (TYP) is Pennsylvania’s official mid-range planning tool. It lists statewide planned projects and assigns funding to projects over a 12-year period. The first four years comprise the Statewide Transportation Improvement Program (STIP).

Who creates it?

PennDOT creates the TYP and submits it to the State Transportation Commission (STC) for adoption.

When is it updated?

The TYP is updated every two years after regional Transportation Improvement Programs (TIPs) are submitted and approved by Metropolitan and Rural Planning Organizations (MPOs and RPOs). PennDOT combines the 24 individual regional TIPs with two statewide TIPs to create the Statewide Transportation Improvement Program (STIP). The STIP is also the first four years of the TYP.

The 2025 Public Comment Period for the update of the 12-Year Program began on March 3, 2025, and concluded on April 30, 2025.

How does it impact the planning process?

The TYP aligns with the policies, visions, and goals in the LRTP. It includes 12 years of programming – or lists of projects and associated funding. Learn more about the TYP process here.


What laws and regulations are involved?

Public Participation Opportunities

  • The 2025 Public Comment Period for the update of the 12-Year Program began on March 3, 2025, and concluded on April 30, 2025.
  • Join the mailing list to receive notifications about future opportunities.

    2027 12-Year Program

    The 2027 12-Year Program (TYP) was adopted by the State Transportation Committee (STC) on August 5, 2026. The TYP helps improve Pennsylvania's transportation infrastructure, enhance safety, and develop modern mobility solutions. Download a printable version of the 2027 TYP. Learn more about the TYP on the TYP Process page.

    Read the Adopted 2027 TYP TYP Process View TYP Change Report