TY  - BOOK
AU  - Fitzpatrick, Kay, coaut.
ED  - National Research Council. Transportation Research Board (E-.U.A.)
TI  - Design speed, operating speed, and posted speed practices /- Kay Fitzpatrick...[et al.]
CY  - Washington, D.C. : TRB
N1  - [Este folleto incluye 1CD cuyo titulo es: Appendix material- for NCHRP Report 504]
ER  -