The Interstate 15, Tropicana Avenue interchange, seen here on Jan. 31, 2019, is set for a $200 …

The Interstate 15 and Tropicana Avenue interchange, seen in January 2019, is set for a $200 mil ...

The Interstate 15 and Tropicana Avenue interchange, seen in January 2019, is set for a $200 million upgrade. (Mick Akers/Las Vegas Review-Journal)