The composition of the asphalt mixture making up a road can determine how safe it is for cars to drive on. Tarik Seker/iStock via Getty Images Plus More than 90% of paved roads in the U.S. are made of ...

It sounds simple, but you need to know what kind of lab you're trying to build before you get started. Do you need a lab that is just capable of doing routine quality control work or do you want a ...