§ 170.454. What design standards are used in the TTP?
54 words·~1 min read·
/us/cfr/t25/s§ 170.454·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)Depending on the nature of the project, Tribes must use appropriate design standards approved by FHWA. Appendix B to this subpart as well as the official Tribal Transportation Program Guide list the applicable design standards that can be used.
(b)All other design standards not listed in
(a)must receive approval from FHWA.