General Order 95
 
Section II
 
Definitions of Terms as Used in The Rules of This Order
 
21.2     Districts mean areas as defined in the following:
A.     Urban Districts mean thickly settled areas (whether in cities or suburbs) or where congested traffic often occurs. Highways on which traffic is often very heavy or locations such as picnic grounds, summer resorts, etc., where people congregate seasonally, are considered as urban.
B.     Rural Districts mean all areas not urban, usually in the country but in some cases within city limits.
C.     Loading Districts mean those areas in which the specified loadings of Rule 43 apply and are known as “Heavy” and “Light” loading districts.