Traffic safety barriers and lighting supports 14 reports prepared for the 52nd annual meeting.

Traffic safety barriers and lighting supports 14 reports prepared for the 52nd annual meeting.

Bibliografiset tiedot
Yhteisötekijä: National Research Council (U.S.). Highway Research Board
Aineistotyyppi: Kirja
Kieli:English
Julkaistu: Washington, D.C. National Academy of Science - National Research Council 1973.
Sarja:Highway research record no. 460.
Aiheet:
Roads > Guard fences.
Roads > Lighting > Break-away supports.
Median strips.