Sec. 150.10. Criteria for determining signs erected for the purpose of their message being read  


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  • The Department of Transportation shall use the following criteria to determine whether a sign has been erected with the purpose of its message being read from the main-traveled way:
    (a) traffic counts, sign angle and size, message content, physical obstructions, and similar factors;
    (b) distance from the controlled highway in relation to the size of the sign;
    (c) exposure time (viewing time from main-traveled way in relation to the normal highway speed of traffic); and
    (d) sales value of the sign attributable to advertising circulation on the controlled highway under the criteria of an independent circulation audit agency where such is available.