The scope of the association is to further the study and development of operations, practices, and programs that address issues of motorists information systems and services. Motorist information services shall include programs relating to right of way signing for motorists related businesses, rest area services, highway beautification, advisory radio systems, and other related programs.

The objectives of MISA shall be to:

1. Provide a forum for free and open discussion of developments in motorists information and services systems.
2. Present to appropriate organizations, groups, or individuals, a unified voice on those matters involving the regulation or limitations of motorists information and services systems.
3. Provide communication and services, such as a quarterly newsletter, to all members that informs, educates, and provides a forum for discussion of trends and issues regarding motorists information and services.
4. Provide a unified response to the National Committee on Uniform Traffic Control Devices on issues affecting trends within the Manual on Uniform Traffic Control Devices (MUTCD) and other policy manuals that affect motorist information and services.
5. Promote and encourage consistency of program development, including standardization of program specifications and procedures.
6. Study, evaluate, and recommend innovative concepts to further enhance the provisions of motorists information and services systems.
7. Promote information networking to members through annual meetings, training seminars, and published material.
8. Promote programs to inform the motoring public as to the benefits of such programs and encourage the use of the same to promote safe and efficient travel along the public highways.
9. Perform such duties that will continue to enhance the programs provided in the area of motorists information and services.