As of February 2015, it costs $60 for expedited renewal of a United States passport, in addition to the general renewal fee of $110. Those who choose expedited service can expect to receive their passport in 3 weeks. People who can demonstrate that they need the passport urgently for emergency travel can receive it in less than 3 weeks.
For those travelers who need a passport renewed soon, the quickest way is generally to apply through a United States Department of State Bureau of Consular Affairs. There are 28 agencies throughout the U.S., as of 2015. Most passport agencies require proof that the person needs to travel within 2 weeks before an appointment is arranged.