This road sign means.

a: pass work crews safely

b: yield right-of-way

c: make a u-turn

d: exiting construction zone

I beleive its D, exiting construction zone

Explanation:

(D) Exiting the construction zone

Explanation:

Guide signs usually show goals, bearings, and separations. Cautioning signs pull out of conditions along the roadway. Transitory Warning Signs – With a couple of exemptions, impermanent cautioning signs for development, support, and utility work zones will be precious stone formed, having a dark image or message on an orange foundation.  The "END ROAD WORK" sign on an orange board denotes that the place you currently are is the end of the construction zone.

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