MUTCD PART 6 - Chapter 6F.01 - 6F.59
Temporary Traffic Control Signs view pdf | view table 6F.1
Quick Reference: Sign Sizes for Roadway Type view chart
Exit Closed Warning Signs for Temporary Traffic Control
Crashworthy Barricade Signs and Plaques are used as temporary signage in temporary traffic control areas.
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PRODUCT ID: S(XXXX)E52A(X)(S)C
- Size (XXXX):
(4836) 48" x 36" for Conventional Single/Multi-Lane Roads/Expressway/Freeway
Reflective Sheeting (X):
(D) VIP Diamond Grade 
TOP SELLER
(3) DG3 Diamond Grade Cubed
(H) High Intensity Prismatic-
Sign Substrate (S):
(A) .080" Aluminum (with radius corners & holes)
(M3) 3MM ACM (with radius corners & holes)
(C04) 4MM Coroplast (with straight corners & no holes)
(C10) 10MM Coroplast (with straight corners & no holes)
- Crashworthy Guidance: CPC offers multiple substrate/sheeting combinations to suit your specific project needs. ACM and Coroplast signs and plaques are considered "crashworthy" in most states. Please consult your state's approved products list to make the most informed decision.
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MUTCD Sign Designation: E5-2A
About Work Zone Signs
Work Zone signs have orange backgrounds. They communicate road and hazard conditions in temporary areas such as construction and utility work. Refer to the MUTCD for more information.
Replacement Requirements*
Work Zone signs should only be used in “new” or “like new” condition and replaced immediately if missing, damaged or deteriorated. While they are temporary signs, condition is extremely critical because travel through work zones can be hazardous with unexpected or unusual conditions.
* Maintenance of signs and sign support: FHWA-SA-09-025
Size Requirements
MUTCD 2009 Chapter 6F | Table 6F-1 p. 578
Work Zone Signs: 36" x 36" for Single/Multi | 48" x 48" for Expressway
NOTE: 30" x 30" WORK ZONE SIGNS are no longer permitted on many roads.
Are Your Signs Bright Enough?
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All Ground Mounted Warning Signs MUST be Type II Reflective or better.
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All Roll-Up Signs used at night MUST be retro-reflective.
Ground Mounted Sign Support Requirements
Sign mounting heights from the ground to the bottom of a sign (Above Grade Clearance) and distances from the roadside (Clear Zone) based on speed and road type:
Are your sign supports crashworthy?
All Sign supports within temporary traffic control areas must be crashworthy. Choose a NCHRP-350 approved sign stand or breakaway systems for U-Channel Posts, Square Posts, or Round Posts.
