I forgot to add... Here's a Street View from Ivy Drive in Menlo Park that happened to be taken during a pipeline addition/reconstruction. They set out the pipe sections in the street median before digging to lay them in place. These are some big pipes!

https://www.google.com/maps?ll=37.47579%2C-122.1629239999999...

(You may need to zoom out; I couldn't figure out how to save a URL with the correct zoom level.)