Page:Interregional Highways.pdf/125

From Wikisource
Jump to navigation Jump to search
This page has been proofread, but needs to be validated.
CONSTRUCTING THE SYSTEM
99
Map
Figure 32.—Classes of surface improvement on existing roads, corresponding approximately to routes of the recommended interregional system.
Retrieved from "https://en.wikisource.org/w/index.php?title=Page:Interregional_Highways.pdf/125&oldid=12373378"