collapse Title : 01 INTRODUCTION ‎(5)
collapse Title : 02 PRINCIPALS ‎(7)
collapse Title : 03 PROJECT DELIVERY REQUIREMENTS ‎(9)
collapse Title : 04 SIGNING PLANS ‎(20)
collapse Title : 05 PAVEMENT MARKING AND DELINEATION PLANS ‎(21)
  • 04 SIGNING PLANS

  • 4.15 Supports for Types D, E and F Signs

  • ​3-pound u-channel posts are used with Types D, E and F signs and are considered breakaway.  They can be erected as a single, double or triple post system.

    Single 3-lb U-channel requirements:

    • Sign panels or sign assemblies of less than 12sf
    • Sign panels 36 inches wide or less (including 36" diamond shape)

    Double 3-lb U-channel requirements:

    • Sign assemblies of 24sf or less
    • Two posts can be used less than 7' apart

    If sign assemblies require more than two u-channel supports, the supports shall be placed a minimum of 4 ft. between posts. No more than two posts shall fall within 7 ft. path, or the sign assembly must be placed behind barrier protection.

    Back-to-back U-channel posts are not considered breakaway and must be used behind guardrail.

    2-pound u-channel posts are used with milemarkers and are considered breakaway.

    Use with square tubing in accordance with manufacture specifications.

    Additional Resource

    NCDOT U-Channel Posts for Type D, E, and F signs (Link)

    Applicable Standard Specifications

    SECTION 903 GROUND MOUNTED SIGN SUPPORTS
    SECTION 904 SIGN ERECTION

    Applicable Standards Drawings

    904.50 MOUNTING OF TYPE 'D', 'E' AND 'F' SIGNS ON 'U' CHANNEL POSTS

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