The Interchange Engineering staff provides statewide guidance concerning interchanges layouts, interchange design, and Interchange Modification Requests.  Responsibilities include developing interchange design standards, administering the Standard Interchange Layout Sheet, and processing Interchange Modification Requests on the Interstate System required by the Federal Highway Administration.

 

 

 

Roadway Engineering submits formal requests to the Federal Highway Administration (FHWA) regarding modifications or additions to the Interstate System.

 

Link to FHWA Policy on Interchange Modification Requests:

 

 

 

Interchange Layout Sheets are required for all new or revised interchanges.  Roadway Engineering is responsible for preparing or overseeing the preparation of the Interchange Layout Sheet. 

 

 

Procedures for the preparation of the interchange layout sheets are in progress.

 

 

North Ontario Interchange