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U.S. Department
of Transportation
Federal Highway
Administration
1200 New Jersey Avenue, SE.
Washington, D.C. 20590
August 19, 2010
In Reply Refer To: HOTO-1
James Pline, P.E., PTOE
President
Pline Engineering, Inc.
2520 Fry Circle
Boise, ID 83704
Dear Mr. Pline:
Thank you for your letter of June 16 requesting an official interpretation of the 2009 Manual on Uniform Traffic Control Devices (MUTCD) with regard to the minimum sign sizes shown in Table 5A-1 for use on Low-Volume Roads.
For signs where a size is not shown in the "Minimum" column on Table 5A-1, it was not the intention of the FHWA to prohibit sign sizes smaller than the "Typical" size from being used on low-volume roads. Accordingly, it is our official interpretation that for a sign in Table 5A-1 for which a size is not shown in the "Minimum" column, the minimum size as set forth in Table 2B-1, 2C-2, 6F-1, or 8B-1 for that particular sign shall also be applicable on low-volume roads.
For recordkeeping purposes, we have assigned the following official interpretation number and title: "5(09)-1 (I) - Minimum Sign Sizes on Low-Volume Roads." Please refer to this number in any future correspondence regarding this topic.
If you have further questions, please contact Mr. Fred Ranck at 708-283-3545.
Thank you for your interest in improving the clarity of the provisions contained in the MUTCD.
Sincerely yours,
Original signed by:
Hari Kalla for
Mark R. Kehrli
Director, Office of Transportation Operations
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United States Department of Transportation - Federal Highway Administration |
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