Utah Toll Roads Complete Guide: Express Pass, I-15 Express Lanes and Rates 2026
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Utah Toll Roads Complete Guide
System: Limited — Express Pass (I-15 Express Lanes, dynamic pricing) + cash/ExpressCard (Adams Avenue Parkway)
Coverage: I-15 Express Lanes (Riverdale to Spanish Fork, 60+ miles) + Adams Avenue Parkway (0.5 miles, Washington Terrace)
Currency: US Dollar (USD)
Technology: Express Pass transponders, dynamic pricing, license plate recognition
Operators: UDOT (I-15 Express Lanes); Adams Avenue Parkway Inc.
Do I Need Express Pass for Utah? 2026 Update
No — most of Utah is toll-free. However, you need an Express Pass to use the I-15 Express Lanes as a solo driver (carpoolers with 2+ occupants ride free). The Adams Avenue Parkway accepts cash and its own ExpressCard.
Key Reality: Utah has minimal toll infrastructure compared to most states. The I-15 Express Lanes span 60+ miles through Salt Lake and Utah counties; all other Utah interstates and highways are toll-free.
2026 Update: The Clean Vehicle (EV/hybrid) free pass program expired September 30, 2025 — EVs and hybrids now pay standard Express Lane tolls as solo drivers. Express Pass initial cost is $9.65 (includes $2.50 setup; $2.50/month maintenance fee). Carpoolers (2+ occupants) continue to use Express Lanes for free with a valid Express Pass set to HOV mode. E-ZPass is not accepted.
Utah Toll Costs: Current Rates (2026)
| Facility | Solo Driver | Carpool (2+ occupants) | Payment |
|---|---|---|---|
| I-15 Express Lanes (per segment) | $0.25–$8.00 dynamic | FREE (Express Pass required in HOV mode) | Express Pass transponder required |
| Adams Avenue Parkway | $0.50 (cash) / $0.40 (ExpressCard) | Same rate | Cash or Adams Ave. ExpressCard |
I-15 Express Lanes pricing is dynamic — rates adjust every few minutes based on traffic demand to maintain free-flowing speeds. Higher prices during peak congestion periods. Minimum $0.25 per segment; maximum $8.00 per segment.
To calculate toll costs across Utah toll facilities, use the TollGuru Utah toll calculator:
How to Pay Utah Tolls
1. Express Pass (I-15 Express Lanes — required for solo drivers):
- RFID transponder with HOV/toll toggle switch; $9.65 initial cost ($2.50 setup + $7.15 toll credit)
- $2.50/month maintenance fee; cancel and return transponder for refund
- Set to HOV mode for carpools (2+ occupants) to ride free
- E-ZPass and other out-of-state tags are not accepted
- Account management at udot.utah.gov/expresslanes
2. Adams Avenue Parkway ExpressCard / Cash:
- Short 0.5-mile private toll road in Washington Terrace; accepts cash ($0.50) or its own ExpressCard ($0.40)
- Not connected to the UDOT Express Pass system
Recent Changes (2026)
- Clean Vehicle Pass program expired (September 30, 2025): EVs and hybrids no longer receive free Express Lane travel; they now pay standard dynamic pricing as solo drivers
- I-15 Express Lanes extension: Ongoing extensions in Utah County; additional segments in planning phase
- No new toll roads planned: Utah's major interstates (I-80, I-84, I-70, US-6) remain toll-free
Frequently Asked Questions
Can I use E-ZPass in Utah?
No. Utah's I-15 Express Lanes use UDOT's own Express Pass system. E-ZPass transponders are not accepted.
Can I avoid Utah tolls?
Yes, easily. The I-15 Express Lanes run alongside free general-purpose lanes — simply use the regular lanes. All Utah interstates and highways outside the express lane system are completely toll-free.
Do motorcycles pay Utah Express Lane tolls?
Motorcycles with an Express Pass set to HOV mode ride free regardless of occupancy. Motorcycles without Express Pass can still use the Express Lanes at the standard toll rate via license plate billing.
Utah vs. Neighbouring States (2026)
| State | System | Notes |
|---|---|---|
| Utah | Express Lanes only (dynamic pricing); Adams Ave Parkway (flat rate) | Carpools free; EVs/hybrids pay since Oct 2025; no E-ZPass |
| Colorado | Express Lanes + E-470 + Northwest Pkwy | E-Pass / ExpressToll; I-25 Berthoud-Fort Collins opened April 2026 |
| Nevada | No toll roads | Toll-free state |
| Idaho | No toll roads | Toll-free state |
Useful Links & Resources
- US Toll Guide - Complete guide to all 37 toll states
- Utah Toll Calculator - Calculate Express Lane costs by trip
- UDOT Express Lanes - Express Pass account setup and I-15 Express Lane information
- UDOT Express Pass Customer Service: 1-801-522-1122
