| 其他書名 | Prepared for Department of Transportation, Federal Highway Administration, Office of Planning |
| 出版 | Department of Transportation, Federal Highway Administration, Office of Planning, 1974 |
| URL | http://books.google.com.hk/books?id=oPKvj9LsFtYC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |