Click an area on the below picture for help
and explanation.
Disclaimer:
The content on the CADD Tutorial Web Pages are to be use as a general guide
in producing a set of NCDOT Roadway plans. It should not be used as the
sole reference to seal a set of plans. All other official manuals, such
as THE
ROADWAY DESIGN MANUAL and AASHTO A POLICY ON GEOMETRIC DESIGN OF HIGHWAYS
AND STREETS (The "Green" Book) take precedence. The content contained
on the CADD Tutorial web pages has no legal merit.