How to Pay Tolls in Illinois (2026 Guide) | I-PASS & Pay-by-Plate Options

Illinois runs one of the most heavily used toll networks in the entire country, with 294 miles of toll roads managed by the Illinois State Toll Highway Authority (ISTHA). Whether you just moved here, you’re passing through on a road trip, or you’ve lived in Chicago for a decade and still aren’t totally sure you’re handling this correctly, this guide lays it all out clearly.

The single most important thing to understand before anything else: I-PASS gives you a 50% discount on every toll across the Illinois Tollway. Pay-by-Plate charges you double. That gap adds up to real money, real fast.

The Big Change in 2026: Say Goodbye to Plastic Transponders

Here’s something many long-time Illinois drivers haven’t caught up to yet. The traditional plastic I-PASS transponder, the battery-powered device people have affixed to their windshields for decades, is being officially phased out. The Illinois Tollway started this transition in 2024, and by 2026 it has reached full operational maturity.

The replacement is the I-PASS Sticker Tag, a passive RFID device that works completely differently from the old hardware.

How the New Sticker Tag Works

The sticker tag has no battery. Instead of transmitting its own signal, it uses your windshield as an antenna to reflect signals from the gantry sensors overhead. No battery means no battery death, no mysterious “v-tolls” showing up on your account because your transponder stopped working quietly in the middle of a highway.

Placement matters with these stickers. The Tollway recommends installing it in the black-dotted area near your rearview mirror, or directly behind the mirror if no shaded area exists. That positioning gives the overhead sensors the best line-of-sight read. Additionally, the sticker is a one-per-vehicle setup. You cannot peel it off and move it to another car, and it’s designed to be destroyed if you try. Every vehicle on your account needs its own sticker.

What This Means for Your Wallet

The financial news here is genuinely good. The Illinois Tollway eliminated the $10 refundable deposit that was previously required for plastic transponders. The new sticker tag costs $0 upfront. If you had an old transponder and are transitioning, your original $10 deposit gets credited directly to your prepaid toll balance when you register a replacement sticker.

Here’s a quick breakdown of old versus new:

I-PASS: Everything You Need to Know

Setting Up Your Account

Getting started with I-PASS takes about ten minutes on the official Illinois Tollway website. The process works like this:

1. Go to the Illinois Tollway site and open an I-PASS account
2. Enter your vehicle information, including license plate, state, and vehicle class
3. Load your initial balance (minimum opening balance applies)
4. Set up auto-replenishment linked to a credit or debit card
5. Register and activate your sticker tag when it arrives

Auto-replenishment is worth setting up properly. The system automatically charges your linked card when your balance drops below a threshold, typically $10 for standard passenger vehicles.

The default replenishment amount is $20, though you can set it up to $1,000 if you operate a fleet or drive frequently. Manual replenishment is available too, but you need to stay on top of your balance yourself. A $0 balance triggers immediate escalation to the non-discounted cash rate on every toll you hit.

Where to Get a Sticker Tag

You have three routes to get one:

• Online at illinoistollway.com — Order by mail, typically delivered within a few business days
• Jewel-Osco or Walgreens locations — Many Illinois stores carry them in-store for same-day pickup
• I-PASS Customer Service Centers — Located at select tollway service areas

If you want it today, the retail store option is your best bet. You buy it in-store and activate it through the app or website when you get home.

I-PASS Assist: Help for Lower-Income Drivers

This is a program a lot of people don’t know exists. The I-PASS Assist Program is specifically designed for households whose income falls at or below 250% of the Federal Poverty Level (FPL). Eligible users can open an account with only a $4 initial toll balance, and both the auto-replenishment threshold and refill amount are reduced to $4 as well.

To give you a sense of the eligibility range:

If you or someone you know is a regular tollway commuter in that income range, this program is worth knowing about. It makes the 50% I-PASS discount accessible without a significant upfront financial barrier.

One Important Timing Note

Your sticker tag works immediately on Illinois Tollway roads after activation. However, the data synchronization between the Illinois Tollway and neighboring networks takes time. The Chicago Skyway and other E-ZPass facilities require up to 24 hours to recognize a newly activated tag. For out-of-state networks, that delay can stretch up to 72 hours.

If you’re activating a brand-new sticker today and have a road trip tomorrow that crosses into Indiana or Ohio, wait the full 24 hours before hitting those roads. Using it too early can result in a violation notice even though your account is active.

Actual Toll Rates by Road: What You’ll Pay in 2026

This is the section most guides skip entirely, so let’s get specific. The Illinois Tollway rate structure varies by corridor, vehicle class, and payment method. Here are the 2026 passenger vehicle rates for the major routes, drawn from the Illinois Tollway’s official toll rate page.

Jane Addams Memorial Tollway (I-90)

Running 76 miles from Chicago northwest to the Wisconsin border, I-90 is the primary gateway to Rockford.

A full-length passenger vehicle trip on I-90 runs between $2.75 and $5.50, depending on your entry and exit points. Open Road Tolling on this corridor has meaningfully cut transit times between Rockford and Chicago by eliminating the stop-and-go of old toll plazas.

Ronald Reagan Memorial Tollway (I-88)

Stretching 96 miles from Chicago west to Dixon, I-88 is the main artery for the western suburbs.

Commercial drivers on I-88 get a time-of-day pricing structure worth knowing. At the DeKalb Mainline, a large commercial vehicle pays $20.10 during the day (6 a.m. to 10 p.m.) but only $15.15 overnight (10 p.m. to 6 a.m.). That’s an intentional policy to push heavy freight traffic off-peak and keep daytime lanes moving.

Veterans Memorial Tollway (I-355)

This 32.5-mile north-south connector runs through the western and southern suburbs between Itasca and New Lenox.

The Spring Creek Mainline at the southern end sits at $1.90 for I-PASS users, making it one of the highest single-point passenger tolls on the entire Illinois system.

Tri-State Tollway (I-94/I-294/I-80)

The 82.8-mile Tri-State backbone bypasses the Chicago central business district and handles enormous freight and commuter volumes.

In every single case above, Pay-by-Plate costs exactly double the I-PASS rate. There’s no nuance there, no hidden exceptions. It’s a straight 2x multiplier, every time, on every road.

Pay-by-Plate: The Honest Truth About Using It

Pay-by-Plate works by photographing your license plate at each toll plaza and billing the registered vehicle owner after the fact. No setup required, no hardware needed. For someone passing through Illinois once a year, it’s perfectly fine. For anyone driving these roads regularly, it’s an expensive way to live.

The 14-Day Window and the Backdating Trap

Here’s where a lot of people trip up. After you drive a toll road without I-PASS, you have exactly 14 days from your travel date to register your plate and pay online at illinoistollway.com. Successful payment within that window lets you pay at the cash rate with no additional fees.

The trap is the backdating requirement. When you log in to set up a Pay-by-Plate account after traveling, you must manually adjust your travel start date to capture all the tolls from your trip. If you don’t backdate correctly, the system misses your transactions.

Those tolls then escalate to a mailed invoice even though you technically have an active account. Take the extra 30 seconds to set the correct start date.

What Pay-by-Plate Cannot Do

Pay-by-Plate only covers the 294 miles of the Illinois Tollway. It does not work on the Chicago Skyway, the Indiana Toll Road, or any other regional facility.

This confuses a surprising number of drivers who assume their registration covers everything in the region. It does not. If you’re crossing into Indiana or using the Skyway, those tolls bill separately through entirely different systems.

The Chicago Skyway: Not What You Think It Is

A lot of Illinois drivers treat the Skyway as just another Illinois toll road. It is not. The Chicago Skyway is a privately operated concession covering 7.8 miles between the Dan Ryan Expressway and the Indiana Toll Road. It is located within Chicago’s city limits but is not governed by the Illinois Tollway at all.

2026 Skyway Rates

As of January 1, 2026, the Skyway charges $8.10 for a standard 2-axle passenger vehicle, adjusted annually through CPI and GDP formulas set in the original concession agreement. Here are the current rates for different vehicle classes:

Two things to know about I-PASS and the Skyway. First, your I-PASS transponder works on the Skyway, but you do not get the 50% discount. The Skyway charges everyone, including I-PASS and E-ZPass users, the same full rate.

Second, the Illinois Tollway receives a $0.03 processing fee for every I-PASS transaction on the Skyway to cover the administrative cost of handling a transaction on private infrastructure.

The 7-Day Grace Period (Not 14)

This is a critical difference from the Illinois Tollway. The Chicago Skyway only gives you 7 days to pay an unpaid toll before fees kick in, not the 14-day window you get on the Tollway. Miss that 7-day window and you’re looking at an administrative fee of $4.25, a video charge of $6.25, and processing fees of $4.95.

A single $8.10 trip can escalate to over $23.00 if you ignore it. That’s a painful lesson for a 7-mile bridge. For full current rate details, check chicagoskyway.org.

What Happens When You Don’t Pay: The Full Escalation

Illinois has a structured process for chasing unpaid tolls, and it gets progressively more expensive at each stage.

The Four-Stage Escalation

1. Stage 1 (Days 1 to 14): Pay online at the cash rate with zero additional fees. This is your best outcome if you don’t have I-PASS.
2. Stage 2 (Invoice Mailed): After 14 days, the Tollway mails a bill to the registered vehicle owner. This invoice adds a $3.00 invoicing fee per toll for standard passenger vehicles. For tolls on IL-390, the fee is lower at $1.50.
3. Stage 3 (120-Day Notice Period): The Tollway sends multiple notices over a 120-day window before escalating further.
4. Stage 4 (Violation Enforcement): Unpaid debt moves to Violation Enforcement Services (VES), identifiable by the distinctive orange logo on the notice. A $20 fine is assessed per violation at this stage. If not resolved within 30 days, an additional $50 fine is added on top.

HB3705: Your Legal Protections

Illinois law actually provides consumer protections around toll debt that most drivers have no idea exist. Under HB3705, the Tollway cannot impose additional fines or fees if you pay within 14 days.

The law also caps the initial penalty at no more than the amount of the original toll, gives you a second 14-day window to pay that initial fine without further penalty, and limits the total number of fees assessed for a single unpaid toll to two. In short, the law prevents a $0.75 toll from snowballing into hundreds of dollars if you respond to notices in a reasonable timeframe.

I-PASS Beyond Illinois: The 19-State E-ZPass Network

Here’s the detail that makes I-PASS worth having even if you only use Illinois toll roads occasionally. Your sticker tag works across 19 states through the E-ZPass Interagency Group. That covers Indiana, Ohio, Pennsylvania, New York, New Jersey, Massachusetts, and a long list of others on the East Coast.

Real 2026 Rates for Neighboring States

If you drive east from Chicago regularly, these numbers are relevant:

Ohio implemented a 2.7% toll increase effective January 1, 2026. For I-PASS and E-ZPass users, the Ohio Turnpike rate runs approximately 7.3 cents per mile versus 10.6 cents per mile for cash or credit card users. One transponder, one account, one less thing to manage across multiple state lines.

The Illinois Tollway App: More Useful Than You’d Expect

The official Illinois Tollway mobile app does more than just show your balance. A few features worth knowing:

Rental vehicle support. You can temporarily add a rental car’s license plate and your specific travel dates directly to your I-PASS account through the app. This bypasses the rental company’s daily convenience fee, which typically runs $3.00 to $15.00 per day regardless of how many tolls you actually use. That’s not a trivial amount on a week-long rental.

Tollway Trip Planner. The app includes a mapping feature that shows all toll plazas, rates, and payment options for your route, including plazas in neighboring states.

H.E.L.P. Truck Button. The app has a dedicated button to summon a Highway Emergency Lane Patrol truck if you have a flat tire, run out of gas, or have a breakdown. Not something you hope to need, but genuinely good to know about.

Account conversion. If you currently have a Pay-by-Plate account and want to switch to I-PASS, the app handles the conversion directly and immediately applies the 50% discount going forward.

Download it through the Apple App Store or Google Play.

Quick Side-by-Side: I-PASS Sticker vs. Pay-by-Plate

Stop Paying Double: Make the Call Today

The math here is genuinely straightforward. The I-PASS sticker tag costs $0 upfront, lasts the life of your windshield, works in 19 states, and cuts every single Illinois toll in half. Pay-by-Plate charges you double, works only on Illinois Tollway roads, gives you a 14-day window to figure it out, and still bills you a $3 fee per toll if you miss that window.

If you commute on these roads even a few times a week, the 50% discount pays for any balance you put on the account almost immediately. Set up auto-replenishment, stick the tag where the Tollway says to put it, and honestly, that’s the last time you need to think about Illinois tolls for a long time. Your future self will thank you every single time you roll through one of those gantries without slowing down.

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.