Signs
Cross Walk Sign, Wall
A metal thin block with 250 hit points.
Drops when destroyed
Iron× 3-6
Where to find (4 POIs)
Downtown MeltDowns (tier 3), NDC Checkpoint Two (tier 3), Faraway Storage, Trader Bob.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.