Si vas en bicicleta, tienes que ceder el paso a los peatones.

Because Spanish normally conjugates the verb to match the subject, even when the subject pronoun is omitted.

Here the hidden subject is tú:

• Si (tú) vas en bicicleta...
• (tú) tienes que...

Spanish often leaves out subject pronouns because the verb ending already shows who is doing the action.

So this sentence means something like:

• If you go / are riding a bicycle, you have to...

It is also being used in a general sense, like a rule addressed to anyone.

Because Spanish is a pro-drop language, which means subject pronouns are often omitted when they are clear from the verb form.

• vas = you go
• tienes = you have

Adding tú would still be grammatical, but it would usually sound more emphatic:

• Si tú vas en bicicleta, tú tienes que ceder el paso...

Most of the time, Spanish prefers to leave tú out unless you want contrast, emphasis, or clarity.

Yes, ir basically means to go, but in context it can correspond to English go, travel, or ride.

So:

• vas en bicicleta literally = you go by bicycle
• natural English = you ride a bicycle / you’re cycling

Spanish often uses ir + en + transport where English uses go by or a more specific verb like ride.

Because Spanish normally uses en with means of transport:

• en coche = by car
• en tren = by train
• en autobús = by bus
• en bicicleta = by bicycle

So ir en bicicleta is the standard way to say to go by bike or to ride a bike.

Yes, you can, but it is not exactly the same in tone or use.

• ir en bicicleta focuses on moving/travelling by bicycle
• montar en bicicleta focuses more on riding the bicycle itself

In a traffic-rule sentence like this, ir en bicicleta sounds very natural because it fits the idea of road movement and regulations.

Tener que + infinitive means to have to or must.

So:

• tienes que ceder = you have to yield

It expresses obligation.

In this sentence, it sounds like a rule or requirement rather than a suggestion.

Yes:

• Si vas en bicicleta, debes ceder el paso a los peatones.

That is also correct and natural.

The difference is small:

• tener que often feels a bit more direct and everyday: have to
• deber can feel slightly more formal or rule-like: should / must, depending on context

In traffic instructions, both are possible.

Ceder el paso is a fixed expression meaning to yield the right of way.

Literally:

• ceder = to yield / give up
• el paso = passage / way

But together, it is best understood as one traffic expression:

• ceder el paso a los peatones = to yield to pedestrians

This is very common in driving and road-safety language.

Because the idiomatic expression is ceder el paso a alguien.

You are literally yielding the way/passage to someone.

Structure:

• ceder = verb
• el paso = what is yielded
• a los peatones = to pedestrians

So el paso is an important part of the set phrase. Without it, the meaning would change or sound incomplete in this context.

Because the expression is ceder el paso a alguien.

Here:

• el paso is the thing being yielded
• a los peatones tells you to whom you yield it

So this a is part of the structure of the phrase, not just something optional.

It is similar to English yield the way to pedestrians.

Peatones means pedestrians.

Singular:

• peatón = pedestrian

Plural:

• peatones = pedestrians

It is a standard and very common word in road signs, traffic laws, and safety instructions.

Because Spanish often uses the definite article to talk about people or things in general.

So:

• los peatones = pedestrians, as a class/group in general

This is very natural in Spanish. English often drops the article in these general statements, but Spanish often keeps it.

Compare:

• Hay que respetar a los peatones. = You have to respect pedestrians.

Because Spanish often uses the present tense for general truths, instructions, and rules.

So:

• Si vas en bicicleta... = If you ride / if you’re on a bicycle...
• tienes que... = you have to...

This is not about one specific moment only. It expresses a general rule that applies whenever the condition is true.

English does the same thing:

• If you ride a bike, you have to yield to pedestrians.

Because the sentence begins with a conditional clause:

• Si vas en bicicleta = If you’re riding a bicycle

Then comes the main clause:

• tienes que ceder el paso a los peatones

In Spanish, it is normal to put a comma after an introductory si clause when it comes first.

No.

• si = if
• sí = yes or oneself, depending on context

In this sentence, it is si without an accent because it means if:

• Si vas en bicicleta... = If you ride a bicycle...

This is a very important spelling distinction.

It works perfectly well in Spain and is also broadly understandable across the Spanish-speaking world.

A few wording preferences may vary by region, but this sentence is standard and natural:

• Si vas en bicicleta, tienes que ceder el paso a los peatones.

It sounds especially appropriate for traffic rules, safety advice, or road regulations.

Yes, absolutely.

Depending on context, natural translations include:

• If you’re riding a bicycle, you have to yield to pedestrians.
• If you are cycling, you must yield to pedestrians.
• When riding a bike, you must give way to pedestrians.

The Spanish sentence itself is quite neutral and works well with several natural English versions.

In a traffic context, it is closest to:

• yield
• give way (especially British English)

So:

• ceder el paso a los peatones = yield to pedestrians / give way to pedestrians

Dejar pasar means more literally let pass, which is related but not as specifically tied to the formal traffic-rule expression.

Sometimes, but the meaning changes slightly.

• Si vas en bicicleta... = If you ride / if you are on a bike...
• Cuando vas en bicicleta... = When you ride / whenever you ride...

In many practical situations they are close, but si presents a condition, while cuando presents a repeated or expected circumstance.

For a rule, si is very common and natural.

Grammatically, it uses the tú form, so it looks like it is addressing you singular.

But in practice, this kind of sentence often expresses a general rule aimed at anyone reading it. So it can be understood as:

• If you ride a bike, you have to yield to pedestrians
• meaning any person riding a bike must yield

Spanish often uses the second person singular this way in instructions and general advice.