Number | Date | Country | Kind |
---|---|---|---|
3337257 | Oct 1983 | DEX |
Number | Date | Country |
---|---|---|
2622778 | Dec 1977 | DEX |
2652173 | May 1978 | DEX |
2747675 | Apr 1979 | DEX |
3035422 | Apr 1982 | DEX |
Entry |
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American Association of State Highway Officials (AASHO), "A Policy on Geometric Design of Rural Highways", 1954. |