Town of Marana issued the following announcement on Sept. 30.
Motorists on westbound Interstate 10 in Tucson should expect a closure of the on-ramp at Prince Road tonight, Thursday, Sept. 30, from 9 p.m. until 5 a.m. Friday morning.
In addition, the westbound I-10 off-ramp at Ruthrauff Road will be closed the nights of Friday, Oct. 1, and Sunday, Oct. 3, through Tuesday, Oct. 5, from 9 p.m. to 5 a.m.the following morning.
Drivers should proceed through the work zone with caution, slow down and watch for construction personnel and equipment.
Original source can be found here.