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Section 4: Sign Height

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Introduction

The proper sign height:

  • Improves the visibility of the sign, and
  • Provides appropriate safety performance.

Signs that are too low may not be visible to road users, particularly in heavy traffic. Likewise, signs that are too low may intrude into the vehicle compartment when struck.

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Height of Signs and Sign Assemblies

Figures 4-15 through 4-21 on the following pages illustrate typical sign height situations. Section 2A.18 and Figure 2A-1 of the 2006 Texas MUTCD describe the height placement requirements for signs.

Sign Height on Front Slope (click in image to see full-size image)

Figure 4-15. Sign Height on Front Slope

Sign Height on Back Slope (click in image to see full-size image)

Figure 4-16. Sign Height on Back Slope

Sign Height for Installations with a Supplemental Plaque
or Secondary Sign (click in image to see full-size image)

Figure 4-17. Sign Height for Installations with a Supplemental Plaque or Secondary Sign

Sign Height on Curb and Gutter or Raised Island (click in image to see full-size image)

Figure 4-18. Sign Height on Curb and Gutter or Raised Island

Sign Height for Large Sign with Two or More Posts (click in image to see full-size image)

Figure 4-19. Sign Height for Large Sign with Two or More Posts

Sign Height between Main Lanes and Frontage Road (click in image to see full-size image)

Figure 4-20. Sign Height between Main Lanes and Frontage Road

Height for Texas Reference Marker Assembly (click in image to see full-size image)

Figure 4-21. Height for Texas Reference Marker Assembly

Height for Reference Location Signs and Chevron Signs (click in image to see full-size image)

Figure 4-22. Height for Reference Location Signs and Chevron Signs

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