Before you start

A valid foreign licence held before arrival
CPF and CRNM
Sworn Portuguese translation of the licence
Proof of a Curitiba address
A gov.br account and DETRAN-PR registration

Step-by-step

1
Count 180 days from entry, not from residence approval
CONTRAN Resolução 933/2022 allows a driver licensed abroad a maximum of 180 days driving in Brazil. The window opens when you enter, so it is often well advanced before the CRNM arrives. Driving past it is an infraction and can complicate an insurance claim.
OnlineWho: You
2
Get a sworn translation
It must come from a tradutor público juramentado registered with a Junta Comercial — check the Junta Comercial do Paraná register. A professional but unsworn translation is refused at the counter, however good it is.
In personWho: You
3
Open the convalidação with DETRAN-PR
Start the process on the DETRAN-PR portal with your CPF, CRNM, translated licence and proof of address. The department then assigns you to accredited clinics rather than letting you shop freely.
OnlineWho: You
4
Sit the medical and psychological examinations
Both are compulsory for every Brazilian licence, conversions included. The psychological assessment is an hour or two of attention, reaction and personality testing at a separate accredited clinic with its own fee and its own waiting list.
In personWho: You1–3 weeks depending on the clinic
5
Learn the trinary system before you drive it
Each structural axis is three parallel carriageways: an exclusive central busway with slow local lanes beside it, flanked one block either side by one-way fast roads running in opposite directions. The three have different street names. Satnav handles it; your intuition does not, and the first few weeks of turning across an axis are genuinely disorienting.
In personWho: You
6
Respect the Serra do Mar descent
The BR-277 down to Paranaguá and the coast drops through cloud forest and is regularly fog-bound with near-zero visibility, heavy lorry traffic and a long sequence of curves. Locals check the road conditions before setting off in winter. It is the most dangerous driving most Curitiba residents ever do, and it is the road to the nearest beach.
In personWho: You

Documents you’ll need

Foreign driving licence, original
Sworn Portuguese translation
CPF
CRNM or registration protocol
Proof of Curitiba address
Medical and psychological examination results

Things most newcomers don’t know

The psychological assessment is compulsory, separate, and the reason conversions take a month.

No European or North American licensing regime has an equivalent, so nobody budgets for it. In Brazil it applies to every licence including a straight conversion of a spotless thirty-year record. It is a distinct appointment at a distinct accredited clinic with its own queue. Booking it the same week you open the process is what compresses the timeline.

Source: CONTRAN Resoluções 927/2022 and 933/2022

The trinary road system means one axis has three names and three logics.

Curitiba's corridors run an exclusive busway plus slow lanes in the middle, with one-way fast roads a block either side going opposite directions, each named separately. A newcomer reading a street name assumes a single road and turns into oncoming traffic or misses the only legal crossing point for several blocks. Drive one axis deliberately, end to end, before you rely on instinct.

Source: Prefeitura de Curitiba / IPPUC urban structure

Curitiba is one of the very few Brazilian cities where not owning a car is genuinely comfortable.

Zoning permitted the dense residential towers only along the transit axes, so the housing and the rapid transit were built in the same places on purpose. A flat on an eixo has a bi-articulated service every few minutes and a single fare covers unlimited transfers inside terminals. That combination does not exist in Rio, Belo Horizonte or Florianópolis, and it changes what you should be willing to pay in rent.

Source: IPPUC and Prefeitura de Curitiba transport planning

Winter fog on the coastal descent is the real driving hazard here, not the city.

Curitiba sits at 930 metres and the coast is at sea level, connected by an escarpment road through cloud forest. In the cold months the cloud sits on the road for hours at a time, with heavy freight traffic and long descending curves. Residents check conditions before driving to Paranaguá or the beaches, and the sensible answer in bad weather is to take the train instead.

Source: Polícia Rodoviária Federal advisories for BR-277

Common mistakes to avoid

Counting the 180 days from CRNM issue rather than from entry.
Paying for an unsworn translation and having it refused.
Not booking the psychological assessment early and adding a month.
Driving an eixo estrutural on instinct and missing the legal crossing points.
Taking the Serra do Mar descent in winter fog without checking conditions first.

Some of this may be out of date. Spotted something inaccurate? Help us keep it right for the next newcomer.