MUTCD W10-9: NO TRAIN HORN Sign or Plaque
The W10-9 sign is covered in Section 8B.20 of the Manual on Uniform Traffic Control Devices, 11th Edition. Below are the provisions from that section that describe when the sign is used and how it is placed.
What it means and when it is used
- Standard · Required (shall)Either a NO TRAIN HORN (W10-9) sign (see Figure 8B-4 ) or a NO TRAIN HORN (W10-9P) plaque (see Figure 8B-4 ) shall be installed in each direction at each highway-rail grade crossing where a Quiet Zone has been established in compliance with
- Standard · Required (shall)CFR Part 222. If a W10-9P plaque is used, it shall supplement and be mounted directly below the Grade Crossing Advance Warning (W10-1 through W10-4) sign (see Fig ure 8B-4 ).
Where to read the rest
- Full text: MUTCD Section 8B.20: NO TRAIN HORN Sign or Plaque
- Mounting height, lateral offset and retroreflectivity for any sign: MUTCD sign placement guide
Related signs in Section 8B.20
Source: Manual on Uniform Traffic Control Devices, 11th Edition (Federal Highway Administration, December 2023, public domain). Excerpts are shortened and shown out of context; read the full section before specifying a sign. Your state may still be operating under the 2009 edition or a state supplement. Official manual: mutcd.fhwa.dot.gov.