<Li> 16 U.S.C.: Conservation </Li> <Li> 23 U.S.C.: Highways </Li> <Tr> <Th> U.S.C. sections created </Th> <Td> <Ul> <Li> 16 U.S.C. ch. 2, subch . I § 503 </Li> <Li> 23 U.S.C. ch. 1 </Li> </Ul> </Td> </Tr> <Ul> <Li> 16 U.S.C. ch. 2, subch . I § 503 </Li> <Li> 23 U.S.C. ch. 1 </Li> </Ul>

Which of the following was the purpose of the interstate highway act