The directory has notations for roads other than interstates. US and State Hwys and some notes regarding roads off from them. Here is an example for NM where we are - NM Hwy 15 (between Silver City and Gila Cliff Dwellings Nat'l Monument. (Shortening it) 5 mi north of silver city is town of Pinos Altos. Hwy 15 good to this point. beyond signs warn trailers over 20' unsafe - caution sharp curves next 18 miles. The road is extremely narrow with many very sharp turns and little or no shoulder in places. The grade rolls up and down in the 4-7% range. Near the end of the 18 mile stretch there is a descent of almost 3 miles with hairpin turns and 6-10% grades - and the description goes on for a couple more paragrahs for additional area of Hwy 15 including some 9-10% descents with 20 mph curves. Very helpful to anyone who doesn't know the roads in the area.
