E-ZPass Network Complete Guide: 20 States, Interoperability & Toll Coverage 2025
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E-ZPass Network Complete Guide
System: Electronic toll collection using RFID technology
Coverage: 20 states with 39 member agencies
Technology: Active RFID transponders with radio frequency communication
Operator: E-ZPass Interagency Group (IAG) - consortium of state agencies
Network Size: Over 35 million accounts, 59 million transponders, $16.8 billion annual revenue
Do I Need E-ZPass for Multi-State Travel? 2025 Update
E-ZPass is the most comprehensive toll solution for travel across the eastern and midwestern United States, but it's not universal. Your E-ZPass transponder works seamlessly across all 20 network states, but several major regions operate completely separate systems.
Key Reality: While E-ZPass covers most toll-heavy states from Maine to Florida and west to Minnesota, major gaps include California (FasTrak), Texas (TxTag), and several other western states with independent systems.
2025 Network Status: The E-ZPass network continues expanding with recent additions of Florida (2021), Minnesota (2021), and partial integration with Georgia (2023). However, true nationwide interoperability remains elusive despite federal mandates.
E-ZPass Network Coverage: Complete State List
The E-ZPass network encompasses 20 states with 39 member agencies, creating the largest interoperable toll collection system in the United States. Your single transponder works across all facilities within this network.
E-ZPass Network States (2025)
| State | Local System Name | Joined Network | Major Facilities |
|---|---|---|---|
| Delaware | E-ZPass | 1987 (Founding) | Delaware Turnpike, SR-1 |
| Florida | SunPass (interoperable) | 2021 | Florida Turnpike, All toll roads |
| Georgia | PeachPass (partial) | 2023 | Express lanes, some facilities |
| Illinois | I-PASS | 2005 | Illinois Tollway system |
| Indiana | E-ZPass | 2007 | Indiana Toll Road |
| Kentucky | RiverLink | 2016 | Louisville bridges |
| Maine | E-ZPass | 2005 | Maine Turnpike |
| Maryland | E-ZPass | 1987 (Founding) | Baltimore Harbor Tunnel, Bay Bridge |
| Massachusetts | E-ZPass | 1998 | Mass Pike, Tobin Bridge |
| Minnesota | E-ZPass (formerly MnPASS) | 2021 | Express lanes only |
| New Hampshire | E-ZPass | 2005 | Turnpike system |
| New Jersey | E-ZPass | 1987 (Founding) | NJ Turnpike, Garden State Parkway |
| New York | E-ZPass | 1987 (Founding) | Bridges, tunnels, Thruway |
| North Carolina | NC Quick Pass | 2018 | Triangle Expressway, Monroe Connector |
| Ohio | E-ZPass | 2009 | Ohio Turnpike |
| Pennsylvania | E-ZPass | 2000 | PA Turnpike, bridges |
| Rhode Island | E-ZPass | 2009 | Newport Bridge |
| Virginia | E-ZPass | 1999 | Express lanes, tunnels |
| West Virginia | E-ZPass | 2008 | WV Turnpike |
Network Coverage Statistics
Total Coverage: 20 states with 39 member agencies
Geographic Range: Maine to Florida (North-South), Atlantic to Minnesota (East-West)
Active Accounts: Over 35 million customer accounts
Active Transponders: 59 million transponders in circulation
Annual Revenue: Over $16.8 billion in toll collections
How E-ZPass Interoperability Works
E-ZPass interoperability is managed by the E-ZPass Interagency Group (IAG), which coordinates between member agencies to ensure seamless operation across state lines. The system uses standardized RFID technology and nightly data exchanges to process transactions.
Technical Infrastructure
RFID Technology:
- Active transponders transmit unique radio signatures
- Overhead antennas detect transponders as vehicles pass
- Real-time communication between transponder and reader
- Standardized frequency and protocol across all network states
Data Processing:
- Nightly data exchanges between member agencies
- Reciprocity network transfers over $6.1 billion annually
- Cross-state transactions post within 24 hours to 60 days
- Centralized clearing house for inter-agency settlements
Account Management
Agency Independence:
- Each member agency maintains its own customer accounts
- Fee structures and policies vary by issuing agency
- Monthly maintenance fees range from $0 to $1.50
- Discount programs often limited to home-state facilities
Cross-State Usage:
- Any E-ZPass works on any network facility
- Toll rates may vary based on transponder issuing agency
- Some states offer better rates to local E-ZPass holders
- Out-of-state transponders may not qualify for resident discounts
Non-Interoperable Toll Systems
Despite E-ZPass's extensive coverage, several major regional toll systems operate independently and are not compatible with E-ZPass transponders. These systems require separate accounts and transponders.
Major Non-Compatible Systems
| System | State(s) | E-ZPass Compatible | Alternative Options |
|---|---|---|---|
| FasTrak | California | ❌ No | Pay-by-plate, cash (limited) |
| TxTag/TollTag | Texas | ❌ No | Pay-by-plate, cash (limited) |
| K-Tag | Kansas | ❌ No | Cash accepted |
| PikePass | Oklahoma | ❌ No | Cash accepted |
| ExpressToll | Colorado | ❌ No | Pay-by-plate only |
| Good To Go! | Washington | ❌ No | Pay-by-plate, cash (limited) |
| Express Pass | Utah | ❌ No | Pay-by-plate only |
| AutoExpreso | Puerto Rico | ❌ No | Cash accepted |
Planning for Non-E-ZPass States
California (FasTrak Required):
- E-ZPass does not work anywhere in California
- FasTrak transponder required for bridges and express lanes
- Pay-by-plate available but at higher rates
- Cash eliminated at most facilities
Texas (TxTag/TollTag Required):
- E-ZPass not accepted on Texas toll roads
- Multiple regional systems (TxTag, TollTag, EZ TAG)
- Pay-by-plate and cash options available
- Regional interoperability with Kansas and Oklahoma
Western States (Various Systems):
- Colorado: ExpressToll (pay-by-plate only)
- Washington: Good To Go! (limited cash)
- Utah: Express Pass (pay-by-plate only)
- Check local requirements before travel
Partial Interoperability & Future Expansions
Some toll systems offer partial interoperability with E-ZPass or are working toward full integration. These developments represent progress toward the federal goal of nationwide toll interoperability.
Partial Interoperability Solutions
Universal Transponders:
- SunPass PRO: Works in E-ZPass network plus Kansas, Oklahoma, Texas
- E-PASS Uni: Compatible with E-ZPass and Florida systems
- LeeWay: Works with multiple southeastern systems
Regional Integration:
- Georgia PeachPass: Limited E-ZPass compatibility (expanding)
- Kansas-Oklahoma-Texas: Inter-regional compatibility
- Florida systems: Multiple transponder options with varying compatibility
Future Expansion Prospects
Federal Interoperability Mandate:
- MAP-21 Act mandated interoperability by 2016 (missed deadline)
- No funding provided for implementation
- No penalties for non-compliance
- Progress continues on voluntary basis
Technical Challenges:
- Different RFID standards and frequencies
- Varying business models and fee structures
- State-specific data sharing restrictions
- Political and regulatory coordination challenges
Choosing the Right E-ZPass Agency
While any E-ZPass works throughout the network, choosing the right issuing agency can significantly impact your costs and benefits. Fees, discounts, and policies vary dramatically between agencies.
Cost Comparison by Agency (2025)
| Agency | Transponder Cost | Monthly Fee | Minimum Balance |
|---|---|---|---|
| Massachusetts | $0 (No deposit) | $0 | $20-30 |
| New York (Thruway) | $25 (credited to account) | $0 | $25 |
| New York (Port Authority) | $30 (credited to account) | $1.00 | $30 |
| New Jersey | $10 (refundable) | $1.00 | $25 |
| Pennsylvania | $35 (no deposit with auto-replenish) | $0 | $35 |
| Delaware | $25 (deposit) | $0 | $25 |
| Ohio | $3 (deposit) | $0.75 (waived with 30+ trips) | $25 |
| Illinois (I-PASS) | $10 (refundable) | $0 | $20 |
Selection Strategy
Choose Based on Usage Patterns:
- Frequent single-state users: Get that state's E-ZPass for maximum discounts
- Multi-state travelers: Massachusetts or New York (Thruway) for lowest fees
- Occasional users: Consider no-fee agencies to minimize costs
- Commercial users: Check agency-specific fleet programs
Special Features to Consider:
- E-ZPass Flex: Available for HOV lane access (Virginia, Maryland, Minnesota, NC)
- E-ZPass Plus: Airport parking payment (NY, NJ, PA)
- Green E-ZPass: Hybrid/electric vehicle discounts (NY)
- Resident discounts: Often limited to home-state transponders
To calculate toll costs across different E-ZPass states and compare routes, use TollGuru's comprehensive toll calculator
E-ZPass Security & Fraud Prevention
E-ZPass fraud has increased significantly in 2025, with scammers targeting users through fake text messages and phishing emails. Understanding legitimate communication methods helps protect against fraud.
Common E-ZPass Scams (2025)
Fraudulent Communication Tactics:
- Fake text messages claiming unpaid tolls
- Phishing emails requesting immediate payment
- Fake websites mimicking official E-ZPass portals
- Social media messages claiming account suspension
How to Identify Legitimate Communications:
- E-ZPass agencies communicate only through official websites or U.S. mail
- No legitimate agency sends text messages requesting payment
- Official violation notices arrive by postal mail only
- Customer service contacts only through published phone numbers
Fraud Prevention Best Practices
If You Receive Suspicious Communications:
- Delete suspicious texts and emails immediately
- Never click on links or call phone numbers in suspicious messages
- Contact your E-ZPass agency directly using official contact information
- Report fraud to the Federal Trade Commission (FTC)
Account Security Measures:
- Monitor your account regularly through official websites
- Set up automatic balance alerts to track usage
- Use secure payment methods for account replenishment
- Keep transponder properly mounted and functional
E-ZPass Technology & Future Developments
E-ZPass technology continues evolving with advances in RFID systems, mobile payment integration, and enhanced interoperability protocols. These developments aim to improve user experience and expand coverage.
Current Technology Standards
RFID Technology:
- Active RFID transponders with 10-year battery life
- 915 MHz frequency for North American compatibility
- Unique transponder IDs for account identification
- Real-time communication with toll plaza equipment
Infrastructure Components:
- Overhead antennas for transponder detection
- Lane controllers for transaction processing
- Vehicle detection systems for classification
- Dynamic message signs for real-time communication
Future Technology Trends
Next-Generation Developments:
- Migration from hard-case to sticker-style transponders
- Integration with mobile payment systems and digital wallets
- Enhanced GPS-based tolling for express lanes
- Improved interoperability with regional toll systems
Expansion Initiatives:
- Pilot programs with California's FasTrak system
- Data sharing agreements with non-E-ZPass states
- Standardization of RFID protocols nationwide
- Enhanced customer service and mobile app integration
Frequently Asked Questions
Can I use my E-ZPass in any state?
Your E-ZPass works in all 20 network states, but not in non-E-ZPass states like California, Texas, or most western states. Check the coverage map before traveling to ensure compatibility.
Which E-ZPass agency should I choose?
Choose based on your travel patterns. For frequent single-state use, get that state's E-ZPass for maximum discounts. For multi-state travel, consider Massachusetts or New York (Thruway) for lowest fees.
Does E-ZPass work in California?
No, E-ZPass does not work anywhere in California. You need a FasTrak transponder for California toll roads, bridges, and express lanes. Pay-by-plate is available but at higher rates.
Are E-ZPass text messages legitimate?
No, E-ZPass agencies never send text messages requesting payment. All such messages are scams. Delete them immediately and contact your agency directly through official channels if you have account concerns.
Can I get a universal toll transponder?
Some transponders offer broader compatibility: SunPass PRO works in E-ZPass states plus Kansas, Oklahoma, and Texas. E-PASS Uni works with E-ZPass and Florida systems. However, no single transponder works nationwide.
E-ZPass vs. Regional Toll Systems
| System | Coverage | States | Interoperability |
|---|---|---|---|
| E-ZPass Network | Eastern/Midwestern US | 20 states | Full within network |
| FasTrak | California only | 1 state | None with E-ZPass |
