System-wide safety improvements : an approach to safety consistency /
        محفوظ في:
      
    
                  | المؤلف الرئيسي: | |
|---|---|
| مؤلفون مشاركون: | , , | 
| مؤلفون آخرون: | |
| التنسيق: | كتاب | 
| اللغة: | English | 
| منشور في: | Washington, D.C. :
        
      Transportation Research Board, National Research Council,    
    
      [1987]. | 
| سلاسل: | Synthesis of highway practice ;
              132. | 
| الموضوعات: | 
| وصف المادة: | "Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration." "September 1987." | 
|---|---|
| وصف مادي: | 20 p. : ill. ; 28 cm. | 
| بيبلوغرافيا: | Includes bibliographies. | 
| ردمك: | 030904409X | 
| تدمد: | 0547-5570 ; |