MUTCD 11th Edition (2023)
Section 2C.14 — Hill Signs (W7-1 and W7-1a)
Manual on Uniform Traffic Control Devices, Section 2C.14. Standards, guidance, options and support statements, with figures and cross-references.
Section 2C.14 Hill Signs (W7-1 and W7-1a) Guidance: 01 The Hill (W7-1) sign (see Figure 2C-5 ) should be used in advance of a downgrade where the length, percent of grade, horizontal curvature, and/or other physical features require special precautions on the part of road users. 02 The Hill sign and supplemental grade (W7-3P) plaque (see Figure 2C-5 and Section 2C.64) used in combination, or the W7-1a sign used alone, should be installed in advance of downgrades for the following conditions: A. 5% grade that is more than 3,000 feet in length, B. 6% grade that is more than 2,000 feet in…
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