Raleigh Norfolk Future Interstate Corridor
Post on 14-Apr-2017
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Raleigh, NC to Norfolk, VA through Rocky Mount, Williamston, and Elizabeth City
ISTEA 1105 (c)(13) as modified by P.L. 114-94 1416
When FHWA determines that segment meets the Interstate System design
standards in 23 U.S.C. 109(b); andconnects to an existing Interstate
When Does the Corridor Become Part of the Interstate System?
Interstate Designation Criteria
1. Design Speed 2. Lane Width 3. Shoulder Width 4. Horizontal Curve
Radius 5. Superelevation
6. Stopping Sight Distance
7. Maximum Grade 8. Cross Slope 9. Vertical Clearance 10. Design Loading
The specific route location to appropriate termini has received FHWA environmental clearance or route location publicly announced by the State.
Numbering approved by AASHTO. FHWA approves general location of signs.
Placement of Future Signs
Slide Number 1Corridor DescriptionWhen Does the Corridor Become Part of the Interstate System?Interstate Designation CriteriaPlacement of Future SignsApproved Sign