A compilation of all data and study materials associated with a Categorical Exclusion Evaluation, an Environmental Assessment, or an Environmental Impact Statement including all pertinent information gathered during the environmental evaluation, supporting reports, telephone memorandums, and pertinent correspondence.

All documentation with the exception of those items included on the Attachments Sheet should only be included in the Technical Support Data and not attached in the CEES.

Guidance on maintaining Technical Support Data is found in the current version of DM-1X, Appendix F -

https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/pubsforms/publications/pub-10/pub-10x/november%202025%20change%20no.%207.pdf https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/pubsforms/publications/pub-10/pub-10x/november%202025%20change%20no.%207.pdf

A compilation of all data and study materials associated with a Categorical Exclusion Evaluation, an Environmental Assessment, or an Environmental Impact Statement including all pertinent information gathered during the environmental evaluation, supporting reports, telephone memorandums, and pertinent correspondence.

All documentation with the exception of those items included on the Attachments Sheet should only be included in the Technical Support Data and not attached in the CEES.

Guidance on maintaining Technical Support Data is found in the current version of DM-1X, Appendix F -

https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/pubsforms/publications/pub-10/pub-10x/november%202025%20change%20no.%207.pdf https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/pubsforms/publications/pub-10/pub-10x/november%202025%20change%20no.%207.pdf