Type 1 is mostly used as a subase for patios, artificial lawns, driveways, ménages and much more. The name comes from its size which is typically sold as being 40m down to dust however it can be legally anything from 63m down to dust. It comes in many varieties such as limestone, granite, and recycled crush. MOT is the most expensive as it has been approved for use of highways, the name MOT is an abbreviation for Ministry of Transport (MOT), however the ministry of transport was abolished in the 1970's and has now been replaced with Department for Transport but the name hasn't changed people still refer to it as MOT to this very day.