👉 In the context of construction, a "blowpit" is an open pit or hole in concrete that is used to create a tunnel under a road or bridge. The purpose of a blowpit is typically for the purpose of creating a temporary or permanent access point for vehicles and pedestrians to cross through the tunnel. Blowpits are commonly found on highways, bridges, and other public transportation systems where it's necessary to provide an alternative route for drivers and passengers to travel between intersections or other important
