<Tr> <Th_colspan="2"> Route information </Th> </Tr> <Tr> <Td_colspan="2"> Maintained by FDOT </Td> </Tr> <Tr> <Th> Length: </Th> <Td> 470.808 mi (757.692 km) </Td> </Tr> <Tr> <Th_colspan="2"> Major junctions </Th> </Tr>

What mile marker is the florida georgia border