The navigator sends you into a closed street: why the screen lags behind the city

The screen says "in fifty metres, turn right", and at the entrance to that street stands a round sign with a white bar across it. Someone behind you is already pressing you. One second to decide — and the driver does the thing they regret: a U-turn across the solid line, a metre in reverse, a wheel up on the pavement. The problem is not that the navigation app lied. The problem is that the map and the city move at different speeds.

The map updates more slowly than the city closes a street

A street closure is decided and documented in advance, and on the appointed day a sign and a barrier appear at the entrance — on the asphalt, not in your app's database.

Map data arrives on its own schedule: an update from the provider, reports from other drivers. Between "the street is closed" and "the map knows about it" there is a gap, and sometimes the street reopens first. So the app calmly routes you straight through the closure: it cannot see a sign, it sees a line on a map.

And streets are not closed only for roadworks: one is shut for an event, for filming, for emergency work on a water main. What happens inside a works site itself — temporary markings, signs on portable stands — is a separate piece.

"I was following the navigator" is not an argument

The Ceļu satiksmes likums (Latvia's Road Traffic Law) requires a driver to comply with that law, with the Ceļu satiksmes noteikumi (CSN — Latvia's road traffic regulations, Cabinet Regulation Nr. 279) and with other traffic legislation — Article 25. A navigation app is not on that list: it permits nothing and forbids nothing.

The "no entry" sign (in the rules, "Iebraukt aizliegts", number 301) prohibits entry by any vehicle, and the "no driving" sign ("Braukt aizliegts", number 302) prohibits any vehicle from driving there. Those are points 259.1 and 259.2. Neither makes an exception for a driver with a route on a screen.

An examiner sees it the same way. The navigation leg of the driving test is covered in driving by navigation on the CSDD exam — CSDD being the Ceļu satiksmes drošības direkcija, the Road Traffic Safety Directorate. What matters here is different: you are marked not on reaching the destination, but on what you did when the route turned out to be impossible.

What the rules forbid in exactly that second

Three manoeuvres that most often come out of confusion — and what is written about them:

• The U-turn. The rules list where turning to drive in the opposite direction is prohibited: pedestrian crossings, tunnels, bridges, flyovers and overpasses and the stretches beneath them, level crossings, and anywhere visibility in at least one direction is under a hundred metres — point 81. Crossing a solid line is separately forbidden, and a closed street does not lift that ban.
• Reversing. When reversing, a driver must not obstruct other road users, and where safety requires it must ask another person for help — point 82. In a tight queue at the mouth of a street, neither condition is usually possible to meet.
• The wheel on the pavement. Stopping and parking on pavements, footways and cycle paths is prohibited — point 121.9. The same rule covers the rest: not at a junction or within five metres of one — 121.6; not on a pedestrian crossing or within five metres of it — 121.5.

Hazard lights make none of this lawful. A forced stop, as the rules define it, is one caused by a technical fault, or by danger arising from the health of the driver or a passenger, from the load carried, or from a dangerous obstacle on the road — point 2.23. Being flustered is not on that list.

What to do the moment the street is closed

The sequence is almost always the same, and duller than it feels from inside the car.

First, nothing abrupt: the driver behind you is reading your brake lights, not your map, so hard braking before the closure is more dangerous than the closure itself. Then drive past. If the turn is shut, you carry straight on with the traffic — a lost minute costs far less than any of the three manoeuvres above.

Then look for the detour signs. An organised closure usually has them: the detour diagram ("Apbraukšanas ceļa shēma", number 730) shows the route around a section temporarily closed to traffic, the detour direction signs (numbers 731, 732 and 733) lead you along it, and the end-of-detour sign (number 734) tells you that you are back on your own route. Those are points 283.20, 283.21 and 283.22. A detour is the city's answer to a closure, and it already stands on the street while the map still knows nothing about it.

And only then, the route. You rebuild it stationary, in a place where stopping is allowed, not on the move.

A phone in your hand is a separate story

Here the law is blunt. A driver may not use a phone while the vehicle is in motion, except in hands-free mode; laptops, tablets and smart devices may not be used in motion at all — the same Article 25 of the Road Traffic Law. The penalty is a fine of five to twenty fine units for the driver of a car (Article 51), and one fine unit is five euros under Latvia's Administratīvās atbildības likums (Law on Administrative Liability).

Which gives the plain version: a mount is a precondition, not an accessory; the destination goes in before you start; the route gets rebuilt stationary. A driver correcting it on the move breaks two rules at once — and is looking away from the street that is closed.

How to check your route before you set off

Lists of streets go stale quickly; these sources stay live:

• The register of roadworks — the outdoor space and mobility department's works list: address, type of work, contractor, dates and status.
• The traffic-restriction map — "Satiksmes ierobežojumi Rīgā", showing closures on a plan of the city.
• Restriction notices — the municipality's news feed, which also carries closures for events, not only for repairs.

The habit that settles the whole question

In lessons I put it like this: the navigator answers "where were you heading", the sign answers "what is here now". When the two differ, the sign is right, and that is not a matter of taste.

It is a quick habit to build: the route goes in before you start, your eyes stop returning to the screen at every turn, and a closed street becomes an ordinary episode rather than an emergency. The same habit is in common beginner mistakes: look, do not remember. The places where your own route tends to break are ordinary work in a lesson around the city.

The navigator knows perfectly well where you were heading. What is happening on the street right now is known only to the sign — and to the driver who is looking at it.

Rules verified against the current consolidated texts of the Ceļu satiksmes noteikumi (Cabinet Regulation Nr. 279) and the Ceļu satiksmes likums, September 2026. Legislation changes — check the current version on likumi.lv.