NASCAR fans check out PIR changes ahead of this weekend's races
CLOSE A group of friends from around the country come together twice a year to camp at Phoenix International Raceway. For the past six years, the NASCAR fans start each morning at camp with the national anthem. Carly Henry/azcentral.com
The pop-up city of RVs and campers filled with thousands of NASCAR fans at PIR is taking shape ahead of this weekend's races, and fans are getting their first look at a $178 million makeover underway at the Avondale racetrack.
The most notable work, which aims to improve the fan experience, won't be completed until next year.
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