Learn How Maryland Tolls Work and Where Money Goes

Overview of Maryland's Toll System

Maryland operates one of the most complex toll systems on the East Coast, with multiple toll facilities managed by different agencies. The state's toll infrastructure includes the Maryland Transportation Authority (MDTA), which oversees major toll bridges and highways, as well as several other tolled roadways operated by different entities. Understanding how this system works helps drivers navigate Maryland's roads and know what to expect when using tolled routes.

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The main toll facilities in Maryland include the Francis Scott Key Bridge, the William Preston Lane Jr. Memorial Bridge (Chesapeake Bay Bridge), the Harbor Tunnel Thruway, the Veterans Memorial Bridge, the Intercounty Connector (ICC), and various portions of Interstate 95. Each facility has its own toll structure, payment methods, and operational procedures. Some tolls are collected using transponders, while others use video tolling technology that reads license plates.

Maryland's toll system generates hundreds of millions of dollars annually. In fiscal year 2023, the MDTA collected approximately $400 million in toll revenue. This money does not simply disappear into a general fund—it is designated for specific purposes related to transportation infrastructure. The state has detailed how toll revenues are allocated, and understanding this allocation helps explain why tolls exist and how they support the state's transportation network.

The toll system reflects a funding model common across the United States. Many states use tolls as a dedicated revenue source for maintaining and improving specific roadways. Maryland's approach allows the state to collect money specifically from those who use certain highways and bridges, rather than relying solely on gas taxes or general tax revenue. This model has both supporters and critics, but it remains a significant part of how Maryland funds transportation infrastructure.

Practical Takeaway: Maryland's toll system is managed by multiple agencies and covers several major facilities. Toll revenue in the state totals hundreds of millions of dollars annually, and this money is tracked and allocated for specific transportation purposes.

How Toll Collection Works in Maryland

Maryland uses three primary methods to collect tolls: transponders (electronic toll collection), video tolling (license plate recognition), and cash payments. Understanding which method applies to each facility helps drivers prepare for toll payments and avoid violations.

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The most common method is the E-ZPass transponder system. E-ZPass is an electronic toll collection system used across multiple states, including Maryland, Virginia, Pennsylvania, New Jersey, New York, and others. Drivers mount a small transponder device on their windshield, and as they pass through toll plazas, sensors read the transponder and automatically deduct the toll amount from a prepaid account. The E-ZPass system can be used on all MDTA facilities. Account holders receive monthly statements showing all tolls charged.

Video tolling represents Maryland's most significant recent change to toll collection. This technology captures images of vehicle license plates as cars pass through toll areas, even if the driver is not using a transponder. The toll is then charged to the registered vehicle owner through a video toll invoice sent by mail. Video tolling has been implemented at all MDTA toll facilities, meaning drivers can pass through without having a transponder and will receive a bill later. However, video tolling charges typically cost slightly more than E-ZPass rates—usually about 50 percent higher.

Cash payment remains an option at some facilities, though Maryland has reduced cash toll lanes significantly. Most newer toll facilities do not accept cash. At facilities that do accept cash, drivers must have exact change or be prepared to receive change from attendants. Cash payments are the highest-cost option for tolls in Maryland.

The toll collection infrastructure includes toll plazas, barrier-free open road tolling, and all-electronic tolling. Barrier-free tolling means drivers do not need to stop; they pass through toll areas at highway speeds. This system requires either an active E-ZPass transponder or works through video tolling for those without transponders.

Practical Takeaway: Maryland uses three toll payment methods—E-ZPass transponders (lowest cost), video tolling via license plate reading (medium cost), and cash (highest cost). Most facilities now use barrier-free, all-electronic tolling where drivers do not need to stop.

Toll Rates and Pricing Structure in Maryland

Maryland's toll rates vary depending on the facility, the time of day, the vehicle type, and the payment method used. Rates are not fixed and may change periodically based on inflation adjustments and infrastructure needs. As of 2024, toll rates have been adjusted upward from previous years, reflecting increased construction and maintenance costs.

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The Chesapeake Bay Bridge, one of Maryland's most heavily used toll facilities, charges passenger vehicles $3.00 when using E-ZPass and $4.50 when paying via video tolling. This 4.5-mile bridge connects the Eastern Shore to the western part of the state. The toll is charged for northbound traffic only; southbound traffic is free. Heavy trucks pay significantly higher tolls on this facility—approximately $15.00 with E-ZPass for a two-axle truck.

The ICC (Intercounty Connector) between Montgomery County and Prince George's County uses dynamic tolling, meaning prices adjust based on traffic volume. During peak hours, tolls may be as high as $10 or more for E-ZPass users, while off-peak tolls may be $2 to $3. This pricing model attempts to manage traffic flow by making drivers pay more during congested periods and less during uncongested times.

Harbor Tunnel Thruway tolls for passenger vehicles are $2.00 with E-ZPass and $3.00 with video tolling. The Veterans Memorial Bridge charges $2.00 for E-ZPass and $3.00 for video tolling. Interstate 95 between Baltimore and the Delaware border charges approximately $1.00 to $2.00 depending on vehicle type and payment method.

Commercial vehicles, trucks, and vehicles with multiple axles face higher toll rates across all facilities. A three-axle truck might pay $10 to $20 in tolls, while a passenger vehicle on the same route might pay $2 to $4. The reasoning behind this pricing structure is that heavier vehicles cause more wear and tear on roadway infrastructure, so their tolls are proportionally higher.

Practical Takeaway: Maryland toll rates vary by facility, time of day, vehicle type, and payment method. E-ZPass users typically pay 25 to 33 percent less than video tolling customers, and video tolling customers pay less than those paying cash. Rates may increase periodically for inflation and infrastructure costs.

Where Maryland Toll Revenue Goes

Understanding how toll money is spent provides insight into why the toll system exists and how it supports Maryland's transportation infrastructure. Maryland law designates toll revenue for specific purposes rather than allowing it to be used for general state expenses.

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The primary use of MDTA toll revenue is maintenance and operation of the toll facilities themselves. This includes routine maintenance like resurfacing, painting, lighting repairs, and general upkeep. The Chesapeake Bay Bridge alone requires constant maintenance due to salt water exposure and heavy traffic volume. Maintenance costs for this bridge alone exceed tens of millions of dollars annually.

Capital improvements and infrastructure upgrades represent another major use of toll revenue. The MDTA uses toll proceeds to fund bridge repairs, roadway expansions, and safety improvements. For example, toll revenue funded the installation of new lighting systems on several bridges, the replacement of aging pavement, and structural repairs identified through regular inspections.

Debt service is another significant use of toll revenue. When Maryland or the MDTA borrows money to build new toll facilities or make major improvements, toll revenue is used to repay those loans. This creates a self-funding cycle where tolls generate revenue that pays for improvements, which are financed through borrowing that is repaid by toll revenue. The MDTA has outstanding bonds and debt obligations that are serviced primarily through toll revenue.

A portion of toll revenue supports administration and operations of the toll collection system itself. This includes the costs of operating toll plazas, maintaining toll collection equipment, processing E-ZPass accounts, sending video toll invoices, and staffing the MDTA offices. These operational costs, while necessary, represent a smaller percentage of toll revenue compared to infrastructure and debt service.

Toll revenue does not go into general state revenues to support other state programs. Federal law requires that toll facilities be self-supporting and that toll revenue be used for facility-related purposes. This means toll money collected on the