What are flex lanes? New lanes introduced on Interstate 17 to alleviate traffic congestion
- Posted on May 10, 2025
- By The Arizona Republic
- 1 Views

What are flex lanes? New lanes introduced on Interstate 17 to alleviate traffic congestion

ADOT will open Arizona's first flex lanes in 2025 on an 8-mile stretch of freeway near Black Canyon City. The $522 million project has lasted 3 years.