oa Civil Engineering = Siviele Ingenieurswese - Road Access Management : classification of activity routes
The road classification system is the foundation of any access management program and has been an integral part of access management manuals in view of its importance in distinguishing between different facilities. The traditional approach followed in South Africa (and elsewhere) is based on Figure A, which indicates a continuum of mobility and access functions, thereby defining a Class 3 route as a route providing a mixture of mobility and accessibility, or a so-called activity route. In some contrast with this approach is the work of Brindle in Australia, who indicated freeways, arterials and collectors as "movement" routes and local roads providing the access function (see Figure B).
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