Speed cameras have become central tools in controlling road offences, often acting as a reminder that the road has rules to follow. If fixed speed cameras are easily identifiable by prior signage, the same question is often raised in relation to mobile speed cameras: do they also need to be properly signposted?
The law in force
Fixed speed cameras are subject to clear regulations. THE Decree-Law No. 207/2005in Article 16, cited by Razão Automóvel, stipulates that:
“1 – (…) roads and other places where fixed electronic surveillance means are or will be installed by security forces are marked with information only about their existence.”
The same article adds:
“2 – Security forces provide, through social communication and other means, regular information on the use of electronic surveillance means in traffic control operations.”
This confirms that signaling is mandatory in the case of fixed speed cameras. However, when the topic is mobile radars, the situation changes. The law does not require mobile speed cameras to be marked in advancewhich means that they can operate without any prior notice, and their use is perfectly legal even when they are not visible.
Despite the lack of obligation, the use of mobile speed cameras has a common objective with fixed speed cameras: to prevent speeding and, therefore, reduce the risks associated with road accidents. Still, not all drivers welcome the use of mobile speed cameras, especially when they are discreetly placed.
In some cases, its installation at strategic points is accompanied by temporary signage. This practice, although not required by law, fulfills a prevention and alert mission for drivers.
It’s not all bad news for those who care about avoiding unpleasant surprises. The Public Security Police ()for example, publishes monthly the locations where it intends to carry out speed control operations, an initiative known as “Who warns you, your friend is”. These lists, which often include the location of mobile speed cameras, are published in the media and even on social networks, helping to create a greater sense of responsibility on the roads.
If you are thinking that you were unfairly caught by an unmarked mobile radar, know that the law is on the side of the authorities. To avoid penalties, the best advice remains the simplest: respect speed limits. After all, more than avoiding fines, the objective is to ensure the safety of all road users.
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