Solution: Tour Management
Answer: CLUB SODA

Written by Kenny Young

The fully-assembled route is as follows:

Day/Time City Travel notes
Day 1 07:13 San Francisco San Francisco 49ers and Golden State Warriors
Day 2 06:09 Santa Monica S on US 101, change to I-10W in LA
Day 3 22:24 Woodstock LAX to LGA, then I-278W to I-87N, then W on NY-212
Day 4 01:09 Allentown Back to I-87, S to I-278S, then W on I-78; after crossing I-476, E on US 22
Day 5 05:09 Miami Back to I-476, S to I-95S, which ends in Miami
Day 6 04:05 La Grange I-95N to I-10W in Jacksonville, then after Houston, NW on TX-71
Day 7 04:17 China Grove Back to I-10W, then E on US-87 in San Antonio
Day 8 09:15 Albuquerque Back to I-10W, merge with US-180 and US-85 near El Paso, then N on US 85

From here, it's important to note that each of these cities is the title of a song with an artist whose length is the minutes portion of the time. Indexing into the artist by the hours number yields:

Day/Time City Artist
Day 1 07:13 San Francisco SCOTT MCKENZIE
Day 2 06:09 Santa Monica EVERCLEAR
Day 3 22:24 Woodstock CROSBY, STILLS, NASH, AND YOUNG (no relation)
Day 4 01:09 Allentown BILLY JOEL
Day 5 05:09 Miami WILL SMITH
Day 6 04:05 La Grange ZZ TOP
Day 7 04:17 China Grove THE DOOBIE BROTHERS
Day 8 09:15 Albuquerque “WEIRD AL’ YANKOVIC

Taken in order, the letters spell CLUB SODA.