The II.66 sign is an Italian prohibition traffic sign indicating a maximum height limit for vehicles on the road ahead. If your vehicle, including any load, is taller than the measurement displayed on the sign, you must not proceed and must find an alternative route. This sign is part of Italy's system of traffic signs designed to regulate vehicle dimensions and ensure safe passage through specific areas, such as underpasses or bridges.
This Italian prohibition sign, marked II.66, clearly indicates a maximum height restriction for vehicles. Properly interpreting this road sign meaning is vital for avoiding fines and ensuring safe passage through the marked area, making it a key topic for theory test revision.
This prohibition sign creates a binding restriction under the Italian road-sign system. It tells drivers that a vehicle type, movement, speed, parking action, stopping action, dimension, load, or access choice is not permitted on the controlled section unless an official exception is shown. Correct interpretation means checking whether the rule applies to your vehicle and manoeuvre, then choosing a compliant action before passing the sign. Official catalogue code: II.66.
The "No vehicles over height shown" sign sets a vehicle limit for the signed route. Drivers whose vehicle or load exceeds the displayed limit must choose another route. Catalogue code II.66.
Get clear, practical answers to the most common questions about the II.66 - No vehicles over height shown road sign. Learn how the sign works, what rules it represents, and how it affects real driving situations. This FAQ strengthens your understanding and supports accurate decision making for the Italian driving theory exam in Italy.
The II.66 sign is a prohibition sign that warns drivers about a maximum height restriction on the road ahead. It means that vehicles whose height, including any load, exceeds the specific measurement shown on the sign are forbidden from continuing on that route.
If your vehicle's height, with or without a load, exceeds the measurement indicated on the II.66 sign, you must not proceed past the sign. You are legally required to find an alternative route that can accommodate your vehicle's height.
Generally, no. This is a strict prohibition sign. However, always check for any supplementary panels beneath the main II.66 sign, which might indicate specific exceptions or conditions. If no exceptions are noted, you must comply strictly with the displayed height limit.
The II.66 sign tests your understanding of vehicle dimensions and route adherence. A common trap is assuming the restriction might not apply to you or not paying close attention to the exact height shown. Always measure your vehicle and compare it to the sign before proceeding. Failing to comply means you must take a different path.
The II.66 sign applies to ALL vehicles, not just large commercial trucks. This includes cars, vans, and motorcycles that may be carrying loads or have accessories like roof boxes or bike racks that increase their overall height beyond the displayed limit. The restriction is based on the total height of the vehicle and its contents.
A clear reference image of the II.66 - No vehicles over height shown road sign used in Italy.

The II.66 - No vehicles over height shown road sign may also be known by these alternative names or terms.
The II.66 - No vehicles over height shown road sign is part of the Italian Prohibition Signs category, which groups together signs with similar rules and functions.
Master Italian traffic rules by comparing 'No vehicles over height shown' with other prohibition signs. Understanding subtle differences aids sign recognition and reduces theory test mistakes.

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After reviewing the complete sign list, explore signs by specific categories such as warning, regulatory, or information signs. Understanding signs in context will enhance your recognition and interpretation skills, crucial for the Italian driving theory exam.
All Italian Road Signs List