На следующей станции нам придётся пересесть на красную линию метро.

Because на can mean either:

• location: at/on
• direction: to/onto

Here, на следующей станции means at the next station, so it expresses location, not movement. That is why станция is in the prepositional case:

• станция → на станции
• следующая → на следующей станции

If you were talking about motion to the station, you would use the accusative:

• на следующую станцию = to the next station

So the sentence means: at the next station, something will happen there.

Нам придётся means something like:

• we’ll have to
• it will be necessary for us
• we will be مجبور to do it

The verb придётся comes from прийтись / приходиться, which is often used in an impersonal structure in Russian.

Russian does not say this in the same way English does. Instead of a normal subject like we, Russian often uses the dative for the person affected:

• мне придётся = I’ll have to
• тебе придётся = you’ll have to
• нам придётся = we’ll have to

So нам is dative because it means to us / for us, not a nominative subject.

Придётся is the 3rd person singular future form of прийтись.

This may seem strange because the English translation is we’ll have to, but Russian uses an impersonal construction:

• literally: it will come/fall to us
• naturally: we’ll have to

So the verb stays in 3rd person singular, and the person who is affected appears in the dative:

• мне придётся
• ему придётся
• нам придётся

This is a very common Russian pattern.

Because after придётся Russian normally uses an infinitive to say what someone will have to do.

So:

• нам придётся пересесть = we’ll have to change / transfer

This is similar to English have to + verb:

• we have to go
• we’ll have to wait
• we’ll have to transfer

Russian:

• нам придётся идти
• нам придётся ждать
• нам придётся пересесть

Here пересесть means to transfer / change to another train, line, or form of transport.

In transport contexts, it often means:

• to change trains
• to switch lines
• to make a transfer

So in the metro, пересесть на красную линию means to transfer to the red line.

Literally, сесть means to sit down, and пересесть originally has the idea of moving over and sitting elsewhere, but in modern transport usage it commonly means to change over.

Because this time на shows movement toward a destination: onto/to the red line.

When Russian uses на for motion, it usually takes the accusative:

• на красную линию = onto/to the red line

If it meant location, it would use the prepositional:

• на красной линии = on the red line

So compare:

• Мы едем на красной линии. = We are traveling on the red line.
• Мы пересядем на красную линию. = We will transfer to the red line.

Because Russian на covers both location and motion, depending on the case:

• на + prepositional = location
• на + accusative = movement toward something

So in this sentence:

• на следующей станции = at the next station
  
  • location → prepositional
• на красную линию = onto/to the red line
  
  • movement → accusative

This is a very common case pattern in Russian.

Метро is an indeclinable noun in Russian. That means its form usually stays the same in all cases.

So even though линия changes:

• линия
• линию

the word метро stays метро.

In линия метро, the second noun works like of the metro in English:

• линия метро = metro line
• literally: line of the metro

You will see this a lot with метро:

• в метро
• из метро
• станция метро
• линия метро

Because красную agrees with линию.

Линия is:

• feminine
• singular
• accusative here

So the adjective must match it:

• красная линия = nominative
• красную линию = accusative

This is standard adjective-noun agreement in Russian.

Пересесть is perfective.

That matters because the sentence is about one completed transfer at a specific point:

• at the next station, we will have to make a transfer

Russian often uses the perfective here because it refers to a single completed action.

The imperfective partner is пересаживаться:

• пересаживаться = to be transferring / to transfer habitually
• пересесть = to transfer once, successfully complete the change

So here пересесть is the natural choice.

Yes. Russian word order is flexible, and different orders can shift the emphasis.

The sentence as written:

• На следующей станции нам придётся пересесть на красную линию метро.

This is a very natural, neutral order.

Other possible orders include:

• Нам придётся пересесть на красную линию метро на следующей станции.
• На красную линию метро нам придётся пересесть на следующей станции.

These are still understandable, but they emphasize different parts.

So Russian word order is not random, but it is more flexible than English.

Придётся is pronounced with stress on ё.

A key point: ё in Russian is always stressed when written.

So:

• придётся → the stress is on the last syllable

The letter ё is important because it shows both:

• the sound
• the stress

In many printed texts, Russian often writes е instead of ё, but learners should know that in this word the correct form is придётся, not just a plain unstressed е.

Yes, but the meaning changes slightly.

Compare:

• Нам надо пересесть... = We need to transfer...
• Нам нужно пересесть... = We need to transfer...
• Нам придётся пересесть... = We’ll have to transfer...

Придётся often sounds a bit more like:

• it is unavoidable
• circumstances require it
• we don’t really have a choice

So in a transport context, придётся is very natural if the route makes the transfer necessary.