How to Pay Tolls in Colorado in 2026 | ExpressToll & Go-Pass Guide

Colorado’s toll roads will quietly drain your wallet if you show up unprepared. Get an ExpressToll account before you drive, and you will save between 35% and 40% on every single toll compared to drivers who rely on license plate billing. That gap is real money, and it adds up fast on a daily commute.

Seriously, a little prep goes a long way. Let’s get you sorted.

What You Actually Need to Know First

Colorado manages its toll infrastructure through three main authorities: the E-470 Public Highway Authority, the Northwest Parkway Public Highway Authority, and CDOT’s Colorado Transportation Investment Office (CTIO). All three operate entirely cashless in 2026. No booths, no coins, no cash.

There are two major toll payment systems you need to know about: ExpressToll and Go-Pass. They work differently, cover different roads, and suit different types of drivers. Knowing which one fits your situation will save you real money.

ExpressToll: The Backbone of Colorado Tolling

ExpressToll is Colorado’s statewide account system and the most widely accepted option across the Front Range. It works on more roads than any other pass, and the savings over license plate tolling are significant enough that skipping it makes zero financial sense if you drive these roads regularly.

How ExpressToll Works

You create an account, fund it with a prepaid balance, and attach a transponder to your windshield. When you pass a toll gantry, Radio Frequency Identification (RFID) technology reads your transponder and deducts the fare automatically. No stopping, no fumbling, no drama.

Here is what ExpressToll covers in 2026:

• E-470 (the 47-mile eastern beltway from Douglas County to Adams County)
• Northwest Parkway (connecting E-470 to US-36 in Broomfield)
• C-470 Express Lanes
• I-25 Express Lanes (Central, North, and South segments)
• US-36 Express Lanes
• I-270 Express Lanes
• I-70 Mountain Express Lanes

On top of that, ExpressToll is interoperable with toll systems in Texas, Oklahoma, and Kansas. Road trippers heading south or east through those states can use the same account and transponder without registering separately. That is a genuinely underrated perk.

Choosing Your Transponder: Sticker vs. Switchable

This is where a lot of people get tripped up. ExpressToll offers two hardware options, and picking the wrong one has real consequences for carpoolers.

The Sticker Pass is a small adhesive transponder that attaches to the inside of your windshield. It is non-transferable, works automatically, and is the right choice if you drive solo or have a household with multiple vehicles.

The Switchable HOV3+ Transponder costs $18 and features a manual slider letting you toggle between “TOLL” mode and “HOV” mode. This switch is the only way to tell the system you have three or more occupants, which qualifies you for free travel on eligible express lanes. If you carpool regularly, this transponder pays for itself in a single week.

Setting Up Your ExpressToll Account

Head to the ExpressToll official site and follow these steps:

1. Create an account with your name, email, and billing details
2. Add your vehicle by license plate number
3. Fund your account with a $35 minimum initial deposit (this serves as your prepaid balance)
4. Choose your transponder type (Sticker or Switchable HOV3+)
5. Mount the transponder correctly when it arrives in the mail

Until your transponder arrives, your plate acts as a backup identifier. The system calls these “Vtolls” when a camera catches a plate registered to an ExpressToll account but the transponder failed to scan.

In most cases, you get billed at the lower transponder rate as a courtesy. Do not count on this indefinitely though; get your transponder mounted and positioned correctly.

ExpressToll Account Features at a Glance

Set up auto-replenishment from the start. Running a zero balance causes your transponder to stop working mid-trip, and the system falls back to plate billing at the full unDiscounted rate. That is a frustrating and avoidable situation.

Real Toll Prices: What You Are Actually Paying

Let’s talk real numbers, because the difference between transponder rates and plate billing is genuinely shocking at peak hours.

I-25 Central Toll Schedule (2025-2026)

The I-25 Central corridor near downtown Denver uses time-of-day pricing, meaning rates are fixed based on historical traffic patterns rather than real-time fluctuation. Here is what the current schedule looks like:

Northbound

Southbound

That peak-hour gap is wild, right? $8.95 with a transponder versus $17.00 without one, for the exact same lane at the exact same time. Daily commuters who skip ExpressToll are basically just choosing to pay double.

Dynamic Tolling on Other Corridors

Corridors like US-36 and the I-70 Mountain Express Lanes use dynamic pricing instead of fixed schedules. Sensors monitor traffic density in real time, and as more vehicles enter the express lane, the price climbs to discourage new entrants. The upside is that the price you see when you enter is the price you pay, even if it changes while you are still in the lane.

Overhead digital signs update continuously. Check them before committing to the lane. If the price looks unreasonable during a heavy traffic period, the regular lane is often moving just fine.

Go-Pass: The Northwest Parkway’s Own System

Go-Pass operates specifically on the Northwest Parkway, a 9.05-mile privately funded highway connecting I-25 to US-36 in Broomfield. It is managed separately from ExpressToll, but the two systems are compatible. If you already have an ExpressToll transponder, it works on the Northwest Parkway without any additional setup.

When Go-Pass Makes Sense

Go-Pass was designed for frequent Northwest Parkway users who want a dedicated account for that corridor. The system also supports carpool discounts and has its own account management portal at go-pass.com.

For most drivers, though, ExpressToll handles everything the Northwest Parkway requires. Go-Pass becomes relevant mainly if the Northwest Parkway is your primary commute route and you want a separate billing account.

ExpressToll vs. Go-Pass: Side by Side

The honest answer is that most drivers should start with ExpressToll. It covers more ground, offers out-of-state interoperability, and works fine on the Northwest Parkway anyway.

Carpool and HOV Rules: Free Travel Is Real

Colorado’s express lanes take carpooling seriously. Drive with three or more occupants (HOV3+), flip your switchable transponder to HOV mode, and you travel the express lanes for free on most corridors. That is not a minor discount. That is zero dollars.

The HOV3+ Standard

Before 2017, the free-travel threshold was two occupants (HOV2). Colorado raised the bar to three or more people in 2017, and that standard holds in 2026 for I-25, US-36, and the Central 70 Express Lanes. Plan your carpool accordingly.

Motorcyclists enjoy free express lane travel on most corridors without needing any pass at all. The one exception is the I-70 Mountain Express Lanes, where motorcycles must pay a toll like everyone else.

How to Switch to HOV Mode

With a Switchable HOV3+ Transponder, you physically slide the switch to the HOV position before entering the express lane. It is a manual action. Forgetting to switch before entering means the system charges you the full toll even if your car is packed with passengers.

Do not use HOV mode when driving solo. Colorado enforces these lanes with cameras, sensors, and spot checks. Civil penalties for solo use of an HOV lane start at $75 and escalate for repeat offenders. The fines are not worth it.

What Happens Without a Transponder

Forgot to get a transponder? Driving through Colorado on a one-time trip? Here is what happens when you roll through a toll point without one.

License Plate Tolling Explained

High-speed cameras photograph your rear plate at every toll gantry. An invoice goes to the address on file with the Colorado DMV and is called a Tolls by Mail bill. The rates, as the I-25 table above shows, run roughly double what a transponder holder pays.

On top of the elevated toll rate, plate billing adds administrative fees covering image processing, manual verification, and mailing costs. Do this enough times and you have funded someone’s salary.

Visiting Colorado or Driving a Rental

Rental cars in 2026 are largely pre-equipped with transponders registered to the agency’s own accounts. That sounds convenient until you see the convenience fees they charge:

The smarter play for ExpressToll account holders: manually add the rental car’s license plate to your personal account before your trip. Set a start and end date matching your rental period.

Your tolls will be deducted at the discounted transponder rate, and you will avoid the agency convenience fees entirely. Just remember to set that end date or future tolls on that same plate could end up on your account after you return the car.

If you are visiting without an existing account, ExpressToll allows temporary plate-only registrations. Just create an account before your trip, not after.

The February 2026 Colorado DMV Upgrade Changes Things

In February 2026, the Colorado DMV launched a major digital overhaul, replacing its decades-old legacy platform. This matters for toll road users more than most people realize.

The myDMV Portal

The new myDMV portal lets Colorado residents manage driver’s licenses, vehicle registrations, and communication preferences in one place. For tolling purposes, the critical improvement is address accuracy.

License plate billing relies on the DMV address of record to deliver your invoice. The old system let outdated addresses slip through, leading to missed bills and escalating penalties. The new system supports electronic notification enrollment, meaning you can get toll-related alerts before a small balance becomes a collection problem.

Registration Holds Are Now Instant

If you carry an excessive unpaid toll balance with E-470 or CDOT Express Lanes, the authority can place a hold on your vehicle registration through the DMV. Under the 2026 digital framework, that hold appears immediately in the myDMV portal the moment it is placed. You cannot renew your registration at a county clerk’s office or a self-service kiosk until the balance is cleared with the ExpressToll Service Center.

Keep your address current in both your ExpressToll account and the myDMV system. These two systems now talk to each other in ways they did not before.

The GES Tolling Equity Program

Here is something most out-of-state visitors and even newer Colorado residents do not know about. The Globeville and Elyria-Swansea (GES) Tolling Equity Program exists specifically for residents of two Denver neighborhoods that were directly impacted by the Central 70 reconstruction project.

The program is funded by 15% of net toll revenue from the Central 70 Express Lanes and offers:

• $100 in annual toll credits for residents with a vehicle registered to a GES address
• Free Switchable HOV3+ Transponders for eligible participants
• Up to 7,800 RTD transit passes are distributed annually within the community
• The GES Connector micromobility on-demand service, extended to weekends starting January 17, 2026

If you live in Globeville or Elyria-Swansea, check your eligibility through CDOT’s GES program page. That $100 credit alone covers a significant chunk of annual express lane use.

Enforcement: Rules You Should Not Ignore

Colorado’s express lanes are actively monitored in 2026, and the enforcement is more sophisticated than a lot of drivers expect.

Weaving Violations

“Weaving” means crossing the solid white lines to enter or exit an express lane outside of designated entry and exit points. Cameras and sensors catch this. Civil penalties start at $75 and escalate for repeat violations. The roads are well-marked, so there really is no excuse for accidentally weaving if you are paying attention.

Speed Enforcement

Express lanes are not passing lanes for general-purpose traffic. Vehicles exceeding the posted speed limit in express lanes face standard traffic citations on top of any toll-related warnings, especially in active construction zones like the ongoing I-25 North project. The Mead to Berthoud segment entered active tolling in early 2026 after a testing phase, and enforcement there is tight.

New Infrastructure Worth Knowing About in 2026

Colorado’s road network is actively expanding, and two projects in particular will affect how you plan your route.

I-25 North: Mead to Berthoud Now Tolling

The long-awaited Express Lanes segment between Colorado Highway 66 in Mead and just south of CO-56 in Berthoud went live in early 2026. This project reconstructs several major interchanges and adds a continuous 12-foot Express Lane in each direction. For commuters between Denver and Fort Collins, this finally closes the last significant gap in the northern I-25 express lane network.

High Plains Boulevard is projected to open in summer 2026, which will shift traffic patterns in that area noticeably. Keep an eye on CDOT’s project updates if you use that corridor regularly.

E-470 Widening and Wildlife Fencing

E-470 just completed a $94.4 million widening project under budget in late 2025, expanding to three travel lanes in each direction between I-70 and 104th Avenue. The authority also installed 15 miles of new and repositioned wildlife fencing to reduce vehicle-wildlife collisions on rural beltway segments. If you have ever had a deer situation on E-470, you will appreciate this.

E-470 remains entirely self-funding with an “A” credit rating and a debt retirement target of September 2041. No state or federal tax dollars fund it, which is worth knowing when you wonder where your tolls go.

Quick Tips Before You Hit the Road

A few reminders to keep things smooth:

• Mount your transponder in the correct position. An improperly placed transponder defaults to plate billing.
• Watch the overhead signs on dynamic-priced lanes. The price you see when you enter is what you pay, but it helps to know before you commit.
• Check your account balance before long trips using the ExpressToll app.
• If you have a new vehicle, update your plate in your account immediately. New registrations can use the “Temporary” checkbox during account setup, but you must update to your permanent plate as soon as it arrives through myDMV.
• Temporary plates work in the system. ExpressToll added this functionality specifically for new registrations and recently purchased vehicles.

Your Colorado Toll Checklist Before Any Trip

Getting set up takes about 20 minutes and covers you for years. Before you drive:

• [ ] Create an ExpressToll account online
• [ ] Register your vehicle(s)
• [ ] Fund your account with at least $35 (the minimum initial deposit)
• [ ] Choose your transponder type: Sticker Pass for solo drivers, Switchable HOV3+ for carpoolers
• [ ] Set up auto-replenishment so your balance never hits zero
• [ ] Mount your transponder correctly when it arrives
• [ ] Update your DMV address through the myDMV portal if it is outdated
• [ ] If renting a car, add the rental plate to your account with start and end dates

That is genuinely all it takes. 😄

Hit the Road With Confidence

Colorado’s toll network is one of the more thoughtfully built systems in the country. E-470 funds its own operations and expansion without any tax money. CDOT reinvests express lane revenue into equity programs for affected neighborhoods.

The February 2026 DMV upgrade has made registration management and toll compliance easier than ever. The only bad outcome here is showing up unprepared and paying double the rate every single trip.

Set up your ExpressToll account, pick the right transponder for how you travel, and you are genuinely good to go. The roads are better than they have ever been, and with the I-25 North corridor finally complete, getting from Denver to Fort Collins without stop-and-go traffic is closer to reality than it has been in years.

Sources and further reading:

• ExpressToll Official Website
• E-470 Public Highway Authority
• CDOT Express Lanes Guide
• Colorado myDMV Portal
• GES Tolling Equity Program
• Go-Pass Official Site
• I-25 Central Toll Rate Schedule
• E-470 Rental Car Information

Pavithra Vinoth

Pavithra Vinoth is the founder of nytollsinfo.com, where she simplifies U.S. toll systems through expert insights and custom-built calculators. Her research-driven tools help drivers avoid costly mistakes and make smarter car decisions.