Absolutely, Crack and Seat is indeed a widely used method in the UK and Ireland to prevent reflective cracking in asphalt overlays on concrete roads. It involves cracking the concrete slab and then seating it to create a more stable base for the asphalt overlay.

As for road construction, you're spot on with the general process. Designing the road, establishing proper drainage, and considering traffic volume are crucial initial steps. Building a stable foundation with base layers is essential for durability, often done using heavy machinery like graders and compactors. The surface layer, whether it's asphalt, concrete, or another material, is the final touch that faces direct exposure to traffic and the elements.