MUTCD 11th Edition (2023)
Section 2B.68 — National Network Signs (R14-4 and R14-5)
Manual on Uniform Traffic Control Devices, Section 2B.68. Standards, guidance, options and support statements, with figures and cross-references.
Section 2B.68 National Network Signs (R14-4 and R14-5) Support: 01 The signing of the National Network routes for trucking is optional. Standard: 02 When a National Network route is signed, the National Network (R14-4) sign (see Figure 2B-31 ) shall be used. Option: 03 The National Network Prohibition (R14-5) sign (see Figure 2B-31) may be used to identify routes, portions of routes, and ramps where trucks are prohibited. The R14-5 sign may also be used to mark the ends of designated routes. December 2023Page 140 MUTCD 11th Edition OTHER REGULATORY SIGNS AND PLAQUES
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