Mailing from coast-to-coast sounds like it would take a long time, but there are regular flights cross-country, and the sorting facilities bring mail to the middle of the coast, and then ship it straight across, east or west, depending. This means that the mail has to go first to a central sorting facility.
Truck and bus drivers must generally take a minimum of eight hours off between shifts, and their shift hours are often capped. Airline pilots are required to have 10 hours off between shifts to allow for transportation and rest time.
Employees must, with two exceptions, receive at least eight hours free from work between shifts, whether they are split shifts, on call shifts, back-to-back shifts or ordinary daily shifts. Rest between shifts is not required if: the total time worked during both shifts does not exceed 13 hours; or.