TollRo and EURO Class: How the Emission Standard Affects the Rate

Under the TollRo system, two trucks with the same weight, travelling the same number of kilometres on the same road, may incur different costs.

The reason is the EURO emission class.

From 1 October 2026, the TollRo rate for goods transport vehicles with an MTMA exceeding 3.5 tonnes will be differentiated not only according to the vehicle’s weight category and road type, but also according to its emission level.

The higher the vehicle’s EURO emission standard, the lower the applicable unit rate.

How are EURO classes grouped under TollRo?

For the purpose of calculating the rate, the system does not establish a separate value for each individual EURO standard.

Vehicles are grouped into three emission categories:

Therefore, for TollRo purposes, there is no difference in the rate between a EURO IV and a EURO V vehicle, just as there is no separate rate for each of the EURO 0–III classes.

How much does the rate increase for older EURO classes?

The reference point of the system is the rate applicable to a EURO VI vehicle.

According to Order No. 1,925/2025:

The resulting values are those established in the official rate schedule, including the rounding provided for in the Order.

This means that when comparing two vehicles in the same weight category, travelling on the same type of road, the vehicle with the older EURO standard will have a higher rate per kilometre.

What does the difference look like in RON?

The difference is easier to see if we use the same vehicle and the same route and change only the EURO class.

Example: truck of at least 12 tonnes on a motorway

For a Category III vehicle, the rates on motorways and expressways are:

• EURO VI – 0.48 RON/km;
• EURO V–IV – 0.55 RON/km;
• EURO III–0 – 0.62 RON/km.

For a distance of 100 km:

In this example, the difference between a EURO VI vehicle and one in the EURO III–0 group is therefore 14 RON for every 100 km travelled.

Over 1,000 km, under the same conditions, the difference reaches 140 RON.

The difference matters more over high kilometre volumes

For a single journey, a few extra bani per kilometre may not seem significant.

For a transport operator covering thousands or tens of thousands of kilometres each month, however, the rate difference adds up.

Let us again consider a Category III truck travelling on a motorway:

• EURO VI: 0.48 RON/km;
• EURO III–0: 0.62 RON/km.

This example is for illustrative purposes and is intended solely to show the effect of the EURO class, assuming the same vehicle category and the same road type.

Why is the EURO class used in the TollRo calculation?

The new charging formula does not take only infrastructure use into account.

The TollRo unit rate includes:

• a component relating to infrastructure use;
• a component based on the external costs generated by traffic-related air pollution.

In this way, the system also incorporates the vehicle’s environmental impact into the rate.

Vehicles with better emission standards therefore benefit from lower rates, while vehicles with older emission standards incur a higher cost per kilometre.

EURO class alone does not determine the TollRo amount

A EURO VI vehicle will not automatically have the same TollRo rate in every situation.

The emission class is only one of the factors used to determine the rate.

The cost of a journey is simultaneously influenced by:

• the vehicle’s weight category;
• EURO class;
• road category;
• the number of kilometres travelled.

For example, a 5-tonne EURO VI vehicle and an 18-tonne EURO VI truck have the same emission class but do not pay the same rate per kilometre because they belong to different TollRo categories.

Similarly, for the same vehicle, the rate differs between motorways/expressways and national roads.

Where should the EURO class be checked?

For determining the TollRo rate, what matters is the vehicle’s pollutant emission class as recorded in its registration documents.

Therefore, before the system takes effect, transport operators and fleet managers should check the following for each vehicle:

• MTMA;
• the EURO class recorded in the vehicle documents;
• the accuracy of the data used to identify the vehicle.

For a fleet made up of vehicles from different generations, this check is even more important because the vehicles may fall into different TollRo categories as well as different EURO classes.

What does this mean for fleet management?

TollRo means that the composition of a fleet will have a direct impact on road network usage costs.

Two fleets carrying similar transport volumes may incur different TollRo costs if one primarily uses EURO VI vehicles while the other uses vehicles in older EURO classes.

For cost estimation purposes, it therefore becomes useful to maintain a clear record of vehicles according to:

This classification allows a more realistic calculation of TollRo’s impact on each vehicle and, subsequently, on the fleet as a whole.

An example for each weight category

The effect of the EURO class can be seen regardless of the vehicle category.

Category I – national road

Vehicle over 3.5 t and up to 7.5 t:

• EURO VI – 0.08 RON/km;
• EURO V–IV – 0.10 RON/km;
• EURO III–0 – 0.11 RON/km.

Category II – motorway

Vehicle over 7.5 t and under 12 t:

• EURO VI – 0.29 RON/km;
• EURO V–IV – 0.33 RON/km;
• EURO III–0 – 0.37 RON/km.

Category III – national road

Vehicle of at least 12 t:

• EURO VI – 0.24 RON/km;
• EURO V–IV – 0.28 RON/km;
• EURO III–0 – 0.31 RON/km.

In all three cases, the rule is the same: for the same vehicle category and the same road type, a better EURO class means a lower TollRo rate.

In short: how does the EURO class affect TollRo?

The EURO class has a direct effect on the unit rate per kilometre.

However, MTMA, road category and distance travelled must also be taken into account when calculating the final cost.

Want to see all TollRo rates?

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Complete TollRo 2026 Guide

Official sources

The information presented in this article is based on the legislative framework available at the time of writing:

• Order No. 1,925/2025 of the Minister of Transport and Infrastructure on TollRo unit rates and vehicle categories
• Law No. 226/2023 on the application of road charges on Romania’s national road network – updated version

The information is provided for informational purposes and reflects the legislative framework available as of 31 August 2026. This article will be updated if relevant legislative or operational changes occur.