00709cam a2200181 a 4500 0309036232 (pbk.) : 380.5 NAT D Traffic delineation, work-zone protection, and winter maintenance. Washington, D.C. : Transportation Research Board, National Research Council, National Academy of Sciences, 1983. iv, 31 p. : ill. ; 28 cm. 0 0 0 380_500000000000000_NAT MCE 379 Roads Maintenance and repair Safety measures. 21131 Roads Snow and ice control. 21203 Traffic signs and signals. 21132 National Research Council (U.S.). 20017 ddc BK 542935 542935 0 0 ddc 0 0 MCE MCE 2014-02-26 0 380.5 NAT MCE-42309 2014-02-26 2014-02-26 BK