| Signing and Delineation Unit |
2012 |
Future Interstate Route Signing |
|
Link |
| NCDOT TMSD |
2011 |
Standard Practice for Interstate Route Designations |
|
Link |
NCDOT Maintenance
Operations Manual
|
2004 |
TE-PR-1Interstate Route Numbers |
|
Link |
FHWA MUTCD
|
2009 |
Section 2D.09
Numbered Highway Systems |
|
Link |
| FHWA |
2002 |
System of Interstate & Defense Highways |
|
Link |
FHWA Directives -
Marking System
|
1973 |
National System of Interstate and
Defense Highways
|
8/10/73 |
Link |