Town of Marana issued the following announcement on Nov. 19.
START DATE: 11/20/2021 END DATE: 11/20/2021
Traffic will be impacted throughout the day on Saturday, November 20, for the Marana portion of El Tour de Tucson. Roads will not be closed, but traffic may be congested and delayed. Impacted roads will include Tangerine Farms Rd, Frontage Rd, Twin Peaks Rd, and Silverbell Rd from Twin Peaks Rd to Grant Rd. Please seek alternate routes when available, and remember to share the road respectfully during this special event.
For your safety and that of the contractor’s personnel, please comply with traffic control devices, flagging personnel, and/or detour signs.
Travel time through the project area may increase during construction so please adjust your schedule accordingly. Construction may restrict traffic lanes and create congestion. Taking alternate routes is suggested.
If inclement weather or other events cause delays, the work may be rescheduled without further notice.
Original source can be found here.