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Compliance
Section 2C.31 Shoulder Signs
Option
- The LOW SHOULDER (W8-9) sign may be used to warn of a shoulder condition where there is an elevation difference of less than 3 inches between the shoulder and the travel lane.
Standard
- When used, shoulder signs shall be placed in advance of the condition.
Guidance
- Additional shoulder signs should be placed at appropriate intervals along the road where the condition continually exists.
Source: 2009 MUTCD