%0 Journal Article
%T A 30-foot clear zone concept - a guide, not a standard
%J ITE journal
%D 1988
%A Olivarez, D.
%V 58
%N 9
%P 45-46
%X It is noted that the term '30-foot clear zone,' although it is should be considered in design practice, should not be construed to be a fixed numerical design requirement. The concept should be considered a desirable guide depending on practical considerations of topography, finance, environmental impacts, and engineering judgment. The reasons for not establishing the concept as a standard are discussed.<p />
%G 
%I Institute of Transportation Engineers
%@ 0162-8178
%U http://dx.doi.org/