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100 South: University Street to North Campus Drive

Responsive Margin

July 2025 update

What’s happening:

  • Traffic has been shifted to the newly paved north side of 100 South. Two lanes are open for eastbound traffic only (uphill) through project completion.
  • Reconstruction of the south side is now underway.
  • The project is on track to complete before the fall semester begins on Monday, August 18.

Coming Impacts & Closures:

Asphalt removal and replacement is planned to begin as early as July 30. Dates will be confirmed as activities progress. Expect 100 South to be reduced to one lane between Wolcott Street and North Campus Drive for up to three days during these activities.

Access to several buildings on the University of Utah campus will be affected at various times during the next few weeks of construction. Please plan ahead.

  • 1386 East Closure: Monday, July 14 through Friday, July 18, this access to the James Fletcher Building, Kingsbury Hall, and the School of Music will be CLOSED while crews rebuild the curb, gutter, sidewalk and driveway approach.
  • 1455 East Closures: Access to 1455 East will be limited while final work activities occur. The following is an anticipated schedule of impacts and is subject to change.
  • Saturdays & Sundays through July: 1455 East will be CLOSED at 100 South during the day while crews install storm drain through the intersection.

– July 30: Expect intermittent delays of up to one hour during the day while asphalt removal equipment passes across the 100 South/1455 East intersection.

– August 1-2: 1455 East will be CLOSED during paving and while the asphalt cools.

Traffic impact:

  • No westbound traffic is allowed on 100 South during construction.
  • Access for emergency vehicles and hospitals will remain open.

Access remains open to:

  • North Campus Drive
  • Federal Way
  • Central Campus Drive

If you’re not heading to the hospital, please consider using an alternate route.

Pedestrians and cyclists:

  • Use the north sidewalk of 100 South and follow all posted signs.
  • Cross at University Street or Wolcott Street.
  • Cyclists: At Wolcott Street, use the pedestrian button to activate the crossing signal. The traffic signal may not detect bicycles during construction.

Detours

Medical campus: Westbound traffic exiting the medical campus should use Mario Capecchi Drive or Wasatch Drive.

Academic campus: Central Campus Drive will be accessible in both directions from North Campus Drive. It will also be accessible from Wasatch Drive to Exploration Way. Access from 100 South to lot 38/Northwest Garage will be maintained via 1455 East.

Local streets: Side streets in the project area will be closed on the north side of 100 South. Federal Way will have access only to northbound (uphill) North Campus Drive. Adjacent neighbors should use local streets to access South Temple, University Street or Virginia Street.

Map showing traffic routes around the University of Utah, including a construction zone on 100 S and designated paths for medical traffic and EMS around the university's medical campus. Map shows 100 South limited to two eastbound (uphill) traffic lanes only. No westbound access is expected during construction.

What’s changing on 100 South

Wider sidewalk (multi-use path) on the south side to support walking and biking.

New pedestrian signal (HAWK) at Butler Avenue for safer crossings.

Upgraded ADA crosswalk and bike detection at Wolcott Street.

New safety features at Wolcott and 1455 East:

  • Pedestrians get a head start at the signal with a Leading Pedestrian Interval (LPI).
  • Pedestrian activated flashing signs alert drivers when someone is crossing.

New “No Right Turn” sign at University Street for drivers turning onto 100 South, activated by pedestrians.

Also:

  • Shared lane markings (“sharrows”) added for downhill bike travel.
  • New sidewalk on the north side, east of Wolcott.
  • On-street parking removed between University and Wolcott.
An aerial image of the 100 South conceptual design.

Frequently asked questions

Will the project make improvements to University Street in this area?

We are aware of the degraded pavement and narrow turn lane on University Street near 100 South and are working to identify when funding for that area will be available. This project does not extend into the University Street intersection nor onto North Campus Drive.

Why is a multi-use path being built instead of separate sidewalks and bike lanes?

There is not enough width on the road to accommodate a separate bike lane and two travel lanes are required to facilitate existing traffic and emergency response access to the medical facilities.

Was traffic calming considered along this route?

The project team considered traffic calming options for this section of 100 South. However, the types of traffic calming measures applicable to an emergency response route are limited. In addition, this short section of 100 South between University Street and North Campus Drive has multiple points that can help to slow motorists, including a 90 degree bend, two traffic signals, and will include two signalized pedestrian crossings when finished.

Why is the on-street parking being removed? Where will those cars now be expected to park?

The current on-street parking is not wide enough for a typical vehicle, meaning that parked vehicles
are taking up space in the travel lane. This is an unsafe condition that must be remedied. The University will identify alternative parking for the residences that typically use this on-street parking.

Will cyclists traveling downhill be directed to use the multi-use path or the road?

Cyclists travelling in either direction may use the travel lane or the multi-use path. The multi-use path is
recommended as a more comfortable, albeit slower, option.

Are there any plans to improve bus pickup and drop-off services along this road?

The project team has coordinated with the Utah Transit Authority (UTA) regarding bus stops along 100 South. UTA is planning to add a shelter to the bus stop near the North Campus Drive corner, which is a separate project and not necessarily on the timeline of this reconstruction project. The westbound bus stop near the intersection of University St will be relocated west of the intersection and improved as a
separate project on its own timeline.

Wasn't 100 South reconstructed a few years ago?

In summer 2021, Salt Lake City rebuilt 100 South to fix worn-out pavement, replace storm drains, and upgrade curbs and gutters. Sidewalks and driveways were repaired in select locations, and the street kept two lanes in each direction. The City also replaced parts of the water main and extended the life of the sewer line with a slip lining process.

Safer streets for people walking and biking

  • Bulb-outs were added at Lincoln Street (east side) and all corners of 1000 East and 1200 East to shorten crossings and slow turning vehicles.

  • University Street intersection was fully redesigned with wider corners, new traffic signals, more trees and landscaping, and better lane alignment. Dedicated right-turn lanes were removed to reduce crash risk.

  • McClelland Street crossing was improved with a raised median, trees, fresh paint, and a pedestrian button in the center island to boost visibility and safety.

Built with community input

This design reflects feedback from residents, citywide master plans, and technical studies.
Download the raw survey results from the 100 South public survey.

Funding

This project was funded by the 2018 voter-approved Funding Our Future street reconstruction bond.

A map of the 2021 100 South reconstruction project area.
Project area

Contact us

Susan Lundmark, Project Manager

Email: 100south@slc.gov

Phone: 888-556-0232

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