Portugal's GNR Stopped 8,438 Drivers Over the Criminal Alcohol Limit in Seven Months, and the Peak Falls Between Midnight and Six

The Guarda Nacional Republicana (National Republican Guard) stopped 8,438 drivers over Portugal's criminal blood-alcohol threshold between 1 January and 31 July, roughly 280 every week, according to figures the force released on Wednesday. Over the same seven months it registered 8,856 alcohol-related road crimes, an average of 1,265 a month.

The gap between the two numbers is procedural rather than statistical. Where a breath reading could not be taken at the roadside, usually because the driver was injured, the alcohol level had to be established from a blood sample drawn in hospital. Those laboratory results arrive later, and the driver is formally charged once they do.

Who Is Being Stopped

The profile the GNR describes is not the one most road-safety campaigns are built around. The heaviest age band is 51 to 64, with 2,450 detentions. Next come drivers aged 41 to 50 (2,167), then 31 to 40 (1,850), then 25 to 30 (1,266). Drivers between 18 and 20, and the oldest cohort, sit at substantially lower numbers.

In other words, four fifths of the criminal drink-driving the GNR catches involves settled adults between 31 and 64, not young people leaving nightclubs. The timing, though, does follow the familiar pattern: the risk climbs at weekends and peaks sharply between midnight and 06:00, which the force links to journeys home from leisure and nightlife.

Geographically, four districts account for the bulk of both the crimes and the arrests: Porto, Setúbal, Aveiro and Faro. Three of those are the country's densest urban corridors; the fourth is the Algarve, where summer traffic and a large seasonal night-time economy overlap.

Where the Criminal Line Sits

Portugal's ordinary administrative limit is 0.5 grams of alcohol per litre of blood, dropping to 0.2 g/l for drivers in their first three years, professional drivers and those at the wheel of emergency vehicles. Between 0.5 and 0.8 g/l the offence is grave; between 0.8 and 1.2 g/l it is muito grave. At 1.2 g/l and above it stops being a fine at all and becomes a crime, punishable by up to one year in prison or a fine of up to 120 days, with a driving ban attached in either case.

That is the line these 8,438 drivers crossed. A conviction leaves a criminal record, not a traffic ticket, and the ban runs separately from the points system that governs ordinary offences.

The pace has barely shifted through the year. When the GNR published its 16-week figures in April, it had logged 4,752 criminal drink-driving cases and 127 road deaths. Adding the months since produces broadly the same weekly rate, which suggests neither the summer enforcement push nor the publicity around it has moved the number.

One caveat matters for reading these figures. The GNR polices motorways and roads outside the main cities; urban areas are the PSP's ground. The national total for criminal drink-driving is therefore higher than 8,438, and the GNR's own data covers only the roads it patrols.

The Policy Backdrop

The government has been signalling a tougher line for most of the year. It announced plans in April to raise drink-driving and speeding fines after a bad Easter, and the draft revision of the Highway Code would go further, turning speeds above 180 km/h into a crime in their own right and reviving a dedicated GNR traffic brigade. All of it sits under the Visão Zero 2030 road safety strategy, adopted in June, which targets a 50 percent cut in deaths and serious injuries.

What This Means for Expats

• The criminal threshold is lower than in several home countries. At 1.2 g/l Portugal criminalises a level that some jurisdictions still treat as an administrative matter. If you are used to a different scale, check the Portuguese one rather than assuming.
• The 0.2 g/l rule catches new residents. The reduced limit applies to anyone in their first three years of holding a licence, which can include people who qualified recently abroad and then moved.
• A criminal conviction is not just a fine. It produces a record that will show on a certificado de registo criminal, the document routinely requested for residence renewals, nationality applications and many jobs.
• Insurance and hire cars. Comprehensive policies and rental agreements almost universally exclude cover where the driver is over the legal limit, which shifts the cost of any collision onto you personally.
• The licence ban is separate from points. A drink-driving conviction carries its own inhibition period; the carta por pontos balance is a parallel system, not an alternative to it.

The GNR published the breakdown alongside a warning it repeats every year: alcohol shortens reaction time, narrows the visual field and degrades judgement. What the seven-month data adds is a sharper picture of when and to whom that applies. If the enforcement pattern holds, the force will end 2026 having detained somewhere close to 14,000 drivers on criminal alcohol readings, on the roads it patrols alone.