A single-point urban interchange, or SPUI, stretches over six lanes of traffic on the I-15 overpass in Orem. SPUIs are designed to help move large volumes of traffic through limited amounts of space safely and efficiently.
From right to left: Katie Hadden of California, Alex Maselli of California, Amy Samuelsen of Arizona, Jeffrey Schroeder of Delaware, and Clark Mackelprang of California hike a few hundred yards from US-189 towards the Provo River to begin their float to Vivian Park, Saturday. "It should take a few hours," said Maselli, who had previously taken the same route this week.
Adam Stewart, 3, admires the balloon launch from his father's shoulders Wednesday morning in Provo.
Kerry Dickman of Washington, back right, looks to the crowd with excitement as Ron Depee of Las Vegas blows fire into his hot air balloon moments before launching Wednesday morning.