With the Standard Data Release (SDR), the Long-Term Pavement Performance (LTPP) Program makes the world’s largest pavement performance database available annually to the public in Microsoft Access® format and available as a single DVD. A Reference Library DVD accompanies the SDR and gives the user the capability to search for software utilities, resource documents, and research reports that support the database. The SDR may be obtained through LTPP Customer Support Services at e-mail: ltppinfo@dot.gov, Telephone: (202) 493-3035, or Fax: (202) 493-3161.

LTPP continues to deliver user tools and other information to aid in the use and understanding of the SDR, however it can be daunting to navigate and extract the most relevant information from a database that has hundreds of tables, thousands of fields and millions of records! Therefore this Community of Practice (CoP) site was established to provide a forum for SDR users to post questions and share their experience. When posting a question to the CoP, please indicate which version of the SDR you are using, i.e. SDR#23.