New westbound I-10 lanes opening at Ina Road in Marana
Tucson Local Media

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New westbound Interstate 10 lanes at West Ina Road in Marana will open to traffic this weekend, another step forward for a two-year project improving traffic flow and safety at the busy interchange.
For most of the past year, both directions of I-10 between West Orange Grove and Cortaro roads have been sharing the future eastbound lanes, separated by concrete barrier, as the Arizona Department of Transportation creates a modern Ina Road interchange to serve the growing area. I-10 will remain three lanes in each direction after the shift.