Citation

Lehman RJ. Highw. Res. Board bull. 1951; 35: 90-95.

Copyright

(Copyright © 1951, National Research Council (U.S.A.), Highway Research Board)

DOI

unavailable

PMID

unavailable

Abstract

Pre-cast concrete traffic dividers used in ohio were developed to supply: (1) visible definition of medial area, (2) sensory warning to vehicles encroaching on medial area, and (3) deflection and redirection of impinging vehicles. These traffic dividers provide physical separation of opposing traffic lanes, yet their spacing permits the turning-cross movements required for access to drives, and the regularity of the spacing throughout the block contributes to the uniform continuity of the medial strip. Simplicity of their installation on both existing pavements and as a part of new construction is an advantage. Installation consists of merely forming or cutting a 2 inch deep opening in the pavement and setting the unit in place with mortar or bituminous filler. The efficiency of traffic flow and the resultant safety of operation on divided or channelized sections justifies the installation of medial dividers, even in sections of limited width.