Update of NCHRP report 230 recommended procedures for the safety performance evaluation of highway appurtenances.
| مؤلف مشترك: | |
|---|---|
| التنسيق: | كتاب | 
| اللغة: | English | 
| منشور في: | 
        Washington, D.C.
          Transportation Research Board
    
        [1990]
     | 
| سلاسل: | Transportation Research Circular
              Number 374             | 
| الموضوعات: |