- Categorical
Exclusion Checklist
This checklist is the preferred format for environmental documentation for ADOT highway projects. - Categorical
Exclusion Checklist Guidelines
These guidelines will assist with the completion of the above checklist document. - Clearance
Memo Templates
These clearance memos templates are to accompany the Categorical Exclusion Checklist, and are to be used for Group One or Group Two Categorical Exclusions, or State funded highway projects, or railroad crossing projects.
- Example
Re-evaluation Categorical Exclusion Clearance Memos
These two example clearance memos are for Categorical Exclusion projects that have been re-evaluated because of change in scope and/or funding source.
- Example
of Group One Clearance Memo
This example clearance memo is from a Categorical Exclusion Group One project.
- Commonly
Used Mitigation Measures
These measures are to be used as appropriate and when needed during preparation of the Categorical Exclusion Checklist and environmental documents. Since these are common mitigation measures, do not change the wording of these measures.
- ADOT
- FHWA Operating Agreement ~ Expediting Categorical Exclusion
Groups One and Two Projects
This agreement, signed September 10, 2010, expedites the environmental clearance for projects with no or extremely low risk of causing environmental harm. - Guidance
for Categorical Exclusion Groups One and Two Projects
This guidance lists the type of projects and required documentation for Group One and Group Two projects that are processed as Categorical Exclusions.
- Arizona
Programmatic Categorical Exclusion Approval Guidance
This guidance list conditions that apply to those actions which qualify under 23 CFR 77.117(d) that are processed by ADOT under programmatic approval.
- Categorical
Exclusion Scoping Guidelines
These guidelines explains objectives, purpose, techniques and point of contacts for sending scoping letters during the initial phase of categorical exclusion documentation.
- Adobe Reader
Documents are posted as they become available in PDF format, which requires Adobe Reader to view.

