Valve

[nachoman]

They look like water main apparatus' to me. But look at the "red curb" in front of one of them - a fire zone - so maybe that one is a hydrant? But in another one, there is a car (LeBaron?) praked right in front. So, if it is a fire hyrdrant, the car is parked illegally. I actually don't see a valve - those usually have relativley large handles on pipes that size - like steering wheels. But I see two anti-backflow devices.