 | | Brochure - Your Guide to Understanding Roundabouts | R38 | NCDOT TMSD | 2010 |
  | | Section 2C.41 - Warning Signs | R38 | FHWA MUTCD | 2024 |
  | | Section 3D - Markings (Signing) for Roundabout Intersections | R38 | FHWA MUTCD | 2024 |
  | | Video - Modern Roundabouts: A Safer Choice | R38 | FHWA Resources | 2019 |
  | | Roundabout Informational Guide (Second Edition) | R38 | NCHRP Report 672 | 2010 |
 | | Transmittal Letter | R38 | NCDOT TMSD | 2010 |
 | | Roundabout Presentation Template with Notes | R38 | NCDOT TMSD | 2013 |
  | | RAB Website | R38 | NCDOT TMSD | 2019 |