Tucson motorists should plan ahead for westbound I-10 restrictions

As the Arizona Department of Transportation nears completion of a widening project on Interstate 10 between Ruthrauff and Prince roads, ADOT is advising Tucson drivers to plan ahead and allow extra travel time this weekend due to several traffic restrictions that are needed to open the new fourth lane on westbound I-10.

A closure of westbound I-10 between Miracle Mile and Prince Road is scheduled from 9 p.m. Saturday, March 29, to 5 a.m. Sunday, March 30 to install sign structures and metal artwork on the new Prince Road overpass.

All westbound I-10 traffic will be detoured to the Miracle Mile exit ramp and frontage road, and back onto westbound I-10 at the Prince Road entrance ramp.

In addition, the westbound I-10 entrance ramp at Grant Road and the Miracle Mile intersection will be closed at I-10.

There will also be a lane restriction on westbound I-10 between Prince and Ruthrauff roads to allow crews to stripe the new fourth lane in that segment.

Once the closure is lifted on Sunday, westbound I-10 will have four lanes open between Miracle Mile and Ruthrauff Road. The speed limit will increase from 45 to 55 mph.

The $76.4 million I-10 widening project, which began in September 2011, reached a significant milestone on March 10 when the westbound I-10 entrance and exit ramps were opened and the traffic signal at the Prince Road traffic interchange became fully operational.

The eastbound I-10 entrance ramp at Prince Road will remain closed until mid-April so that crews can complete landscaping, electrical and barrier installation.

Miracle MilePrince RoadRuthrauffwestbound I-10