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Nevada Department of Transportation Announces Preliminary Geotechnical Work for Future Reno Spaghetti Bowl Project

Post Date:03/02/2020 12:36 PM

CARSON CITY, Nev. – Drivers will see temporary interstate shoulder and single lane closures near the spaghetti bowl and on Interstate 580 over coming weeks as the Nevada Department of Transportation conducts preliminary geotechnical soil surveys in advance of future spaghetti bowl renovations. 

When: Monday, March 2-Friday, March 6, 7 am to 6 pm
What: Shoulder closures on Spaghetti Bowl eastbound I-80 to I-580 southbound and northbound ramps. No travel lane closures.

When: Monday, March 9-Friday, March 13, overnight hours 8 pm to 6 am
What: Single lane closures of left-hand turn lane on southbound I-580 to Mill Street and East Second Street ramps. All turn movements, including left turns, will remain available from these ramps.
Friday, March 13 only: outside lane and shoulder closure on northbound I-580 near Mill Street. 
When: Monday, March 16-Friday, March 20, overnight hours
What: Single lane and shoulder closures on I-580 and various ramps.
The work schedule is subject to change.

The geotechnical soil surveys will provide data on soil features to help finalize engineering designs for future construction of the first phase of spaghetti bowl improvements. 

No additional major construction is anticipated over coming months as engineering designs are finalized, although drivers will see periodic minor lane closures for additional geotechnical exploration. Construction is tentatively scheduled to begin later this year.

Known as Spaghetti Bowl Xpress, the first phase of spaghetti bowl renovations will restripe eastbound Interstate 80 lanes between Wells Avenue and the Spaghetti Bowl and widen the eastbound I-80 to southbound I-580 Spaghetti Bowl ramp to two lanes. Auxiliary merge lanes and improved ramps will also be added on southbound I-580 between the Spaghetti Bowl and Plumb Lane, along with sound and aesthetic walls. Sections of pavement on northbound I-580 will also be repaired. The first phase of construction will not require relocation of any residences or businesses. 

Additional interstate improvements will be built in prioritized phases through 2039 as funding is identified. Approximately 250,000 vehicles per day currently travel through the spaghetti bowl. The Reno-Sparks population is expected to increase 27 percent by 2040. Without the future improvements, population growth is anticipated to lead to travel delay increases of 53 percent through the Spaghetti Bowl.

Project information is available at 



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