Weight limitFinland

An introduction to the traffic rules and road signs of Finland. Learn about driving, road safety and much more in our illustrated book, with answers to frequently asked questions.

For informational purposes only. Always follow official regulations. Some content and images were created with AI assistance.


25. Weight limit

A weight limit prohibits vehicles or vehicle combinations whose mass exceeds the value shown from entering or passing a road section, bridge, tunnel or other structure. Depending on local law, the restriction may concern the vehicle’s actual loaded mass, maximum authorised mass or load on an individual axle.

Drivers must know which type of mass the sign refers to and must include the vehicle, passengers, cargo and any trailer where required. A vehicle that exceeds the limit must use another suitable route.

Weight limit
8-tonne weight limit and seasonal road-condition warning signs. (Finland)
Wikimedia.org • Santeri Viinamäki • CC BY-SA
Does every weight-limit sign measure the same kind of vehicle weight in Finland?

In mainland Finland, C24 concerns the actual mass of an individual vehicle, including its load; in a combination it applies to each vehicle separately. C25 instead concerns the actual mass of the combination, and also covers a single vehicle exceeding the figure. Axle and bogie limits have separate signs. Check the particular sign rather than substituting the registered maximum mass.

🔗 finlex.fi • Finlex, Finnish Road Traffic Act 729/2018 — 8; Annex 3 C21–C27

🔗 finlex.fi • Finlex — corresponding current Finnish statutory text

Vehicles heavier than indicated prohibited. Vehicles heavier than indicated prohibited.

English • Traffic sign C24 • Maximum vehicle mass. The figure gives the maximum permitted actual mass in tonnes, including the load. For combinations, the limit applies to each individual vehicle.

Suomi • Liikennemerkki C24 • Ajoneuvon suurin sallittu massa. Merkissä oleva luku osoittaa ajoneuvon suurimman sallitun todellisen massan tonneissa. Ajoneuvoyhdistelmässä rajoitus koskee kutakin yksittäistä ajoneuvoa. Massaa mitattaessa otetaan myös kuorma huomioon.

Svenska • Vägmärke C24 • Fordons största tillåtna massa. Talet på märket anger ett fordons största tillåtna faktiska massa i ton. I en fordonskombination gäller begränsningen varje enskilt fordon. När massan uppmäts beaktas även lasten.

Sources

🔗 Commons.wikimedia.org
🔗 Finlex.fi • Tieliikennelaki 729/2018 • liite 3.3 (FI)

🔗 Commons.wikimedia.org
🔗 Finlex.fi • Vägtrafiklag 729/2018 • bilaga 3.3 (SV)

SVG source: Unknown authorUnknown author • Public domain • Original revision 2006-05-01. Wikimedia original unmodified.

Trucks with trailer heavier than indicated prohibited. Trucks with trailer heavier than indicated prohibited.

English • Traffic sign C25 • Maximum combination mass. The figure gives the maximum permitted actual mass of a combination or vehicle in tonnes, including the load, unless C24 specifies otherwise for an individual vehicle.

Suomi • Liikennemerkki C25 • Ajoneuvoyhdistelmän suurin sallittu massa. Merkissä oleva luku osoittaa ajoneuvoyhdistelmän tai ajoneuvon suurimman sallitun todellisen massan tonneissa, jollei ajoneuvolle osoiteta muuta merkillä C24. Massaa mitattaessa otetaan myös kuorma huomioon.

Svenska • Vägmärke C25 • Fordonskombinationers största tillåtna massa. Talet på märket anger en fordonskombinations eller ett fordons största tillåtna faktiska massa i ton, om inte något annat anges för fordonet med märke C24. När massan uppmäts beaktas även lasten.

Sources

🔗 Commons.wikimedia.org
🔗 Finlex.fi • Tieliikennelaki 729/2018 • liite 3.3 (FI)

🔗 Commons.wikimedia.org
🔗 Finlex.fi • Vägtrafiklag 729/2018 • bilaga 3.3 (SV)

SVG source: Unknown authorUnknown author • Public domain • Original revision 2006-05-01. Wikimedia original unmodified.

Do cargo and trailers matter for a posted weight restriction in Finland?

Yes, whenever the rule is based on actual loaded mass or the total mass of a combination. Cargo, passengers and the trailer affect that figure; weight on individual axles may be limited separately. If the sign instead uses authorised maximum mass, an empty vehicle may still be prohibited.

🔗 finlex.fi • Finlex, Finnish Road Traffic Act 729/2018 — 8; Annex 3 C21–C27

🔗 finlex.fi • Finlex — corresponding current Finnish statutory text

What should you do if your vehicle exceeds a bridge weight limit in Finland?

Do not drive onto the bridge. Follow the signed alternative route and check the vehicle’s gross and axle loads as applicable. A general heavy-vehicle permit does not automatically authorise crossing every restricted bridge.

🔗 finlex.fi • Finlex, Finnish Road Traffic Act 729/2018 — 8; Annex 3 C21–C27

🔗 finlex.fi • Finlex — corresponding current Finnish statutory text

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