Freeway guide sign replacement : policies and criteria / Hu-gh W. Mc Gee.
Mc Gee, Hugh W.
Freeway guide sign replacement : policies and criteria / Hu-gh W. Mc Gee. - Washington, D.C. : TRB - 37 p. - Synthesis of Highway Practice ; 155 / Transportation Resear-ch Board .
Freeway guide sign replacement : policies and criteria / Hu-gh W. Mc Gee. - Washington, D.C. : TRB - 37 p. - Synthesis of Highway Practice ; 155 / Transportation Resear-ch Board .