MUTCD W7-6: HILL BLOCKS VIEW Sign
The W7-6 sign is covered in Section 2C.16 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
- Option · Permitted (may)A HILL BLOCKS VIEW (W7-6) sign (see Figure 2C-5 ) may be used on the approach to a crest vertical curve where the vertical curvature provides inadequate stopping sight distance at the posted speed limit.
- Guidance · Recommended (should)When a vertical curve results in a sight distance obstruction to a specific condition beyond the crest of the vertical curve, the warning sign for the specific condition beyond the vertical crest should be used rather than the HILL BLOCKS VIEW sign.
Where to read the rest
- Full text: MUTCD Section 2C.16: HILL BLOCKS VIEW Sign
- Minimum sign sizes by roadway type are in the size section for this chapter: Section 2C.03
- Mounting height, lateral offset and retroreflectivity for any sign: MUTCD sign placement guide
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.