File:Tonkin Highway route map.png

Route markers
The following route markers are used in this image: These images may be covered by copyright in countries other than the United States - the following applies to each image:
 * File:Australian national highway 94.svg
 * File:Australian national highway 95.svg
 * File:Australian national route 1.svg
 * File:Australian state route 2.svg
 * File:Australian state route 3.svg
 * File:Australian state route 4.svg
 * File:Australian state route 7.svg
 * File:Australian state route 8.svg
 * File:Australian state route 13.svg
 * File:Australian state route 14.svg
 * File:Australian state route 20.svg
 * File:Australian state route 21.svg
 * File:Australian state route 30.svg
 * File:Australian state route 51.svg
 * File:Australian state route 53.svg
 * File:Australian state route 76.svg