All schematics are preliminary except as noted.
Due to high detail, maps have very large digital images. The 1938 map shows a surprisingly large number of highways in place. 555 kB Notice that US 59 was located in far east Texas, and what is US 59 today was numbered as TX 35 and US 96. The 1948 map shows that just about all the US and secondary highways were in place. No interstates yet, of course.