Use "signpost" in a sentence

1. Blank signpost over white — Stock Photo © Blotty #3473388

2. With a thermometer as our signpost, let’s follow the road to finished steel.

3. 15 He fished single maggot on the bomb opposite the Ouse-Ure signpost.

4. Both of them will originate from the same land, and a signpost* should be set up where the road branches off to the two cities.