Construction workers were hired to complete a building project at the Miami International Airport. In order to get to the work site, the workers had to pass through a security checkpoint and then ride authorized buses or vans supplied by the construction company. Workers signed in when they reached the work site and received their instructions for the day at that point. Workers were required to carry their personal safety equipment with them through security and on the vans, but otherwise performed no other tasks. A group of workers sued under the FLSA. Was the time spent going through security compensable? The time spent waiting for and riding the company-provided transportation to and from the work site?