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Safety evaluation of rolled-in continuous shoulder rumble strips installed on freeways [microform] (Summary report)

Safety evaluation of rolled-in continuous shoulder rumble strips installed on freeways [microform] (Summary report)
Microform図書
1999<YCA-TD 2.30:00-032>
National Diet Library
  • Subject Heading...afety measures Roads -- United States -- Shoulders -- Safety measures

Effects of shoulder textured treatments on safety

Effects of shoulder textured treatments on safety
Microform図書
1985<YCA-TD 2.30:85/027>
National Diet Library
  • Subject HeadingRoads -- United States -- Shoulders -- Safety measures Road construction -- United S...

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