Creates the Orphan Roads Maintenance Program Grant Fund within the Department of Transportation (DOT), for the improvement of subdivision streets that don’t meet the DOT standards for addition to the State highway system. 

Appropriates $75 million to the DOT from the Highway Fund for 2023-24 to establish the orphan roads fund. 

Requires the Secretary of Transportation to establish procedures and adopt rules for awarding funds to counties from the orphan roads fund, and provides applicable requirements to be incorporated into the rules. 

Effective July 1, 2023. Repealed effective June 30, 2028, and then the DOT must transfer any unused funds to the Highway Fund.