تغيير الرصيف وموعد الوصول في إعلان المحطة.

Not really. It is more like a noun phrase or a headline-style fragment than a full sentence, because it has no finite verb.

This is very common in Modern Standard Arabic for:

• signs
• titles
• labels
• announcements
• headlines

So Arabic can present information in a compact way, just like English might use Platform change and arrival time in the station announcement instead of a full sentence.

تغيير is a maṣdar (verbal noun) from the verb غيّر meaning to change.

So تغيير can mean:

• change
• changing
• the act of changing

In this phrase, it functions like a noun, much like English change in platform change.

تغيير الرصيف is a construct where the verbal noun تغيير is followed by what would be its object, الرصيف.

A helpful way to think of it is:

• تغيير = changing / change
• الرصيف = the platform

So the phrase is literally something like:

• changing the platform or
• the change of the platform

In Arabic grammar, this kind of structure behaves like an iḍāfa-type construction, so the second noun is in the genitive:

• تغييرُ الرصيفِ when fully vowelled

Because in an iḍāfa construction, the first noun normally does not take الـ.

So:

• تغيير الرصيف not
• التغيير الرصيف

The definiteness of the whole phrase comes from the second noun:

• الرصيف is definite
• therefore تغيير الرصيف is definite as a whole

This is a very common Arabic pattern.

This is another iḍāfa construction:

• موعد = time / موعد
• الوصول = the arrival / arriving

Together:

• موعد الوصول = the arrival time

Again, the first noun in the iḍāfa, موعد, has no الـ, while the second noun, الوصول, makes the whole phrase definite.

So this follows the same pattern as تغيير الرصيف.

The و simply joins two coordinated elements.

The most natural reading is that it links:

• تغيير الرصيف and
• موعد الوصول

So it reads like a short list:

• platform change and arrival time

A learner might wonder whether it means:

• change of the platform and change of the arrival time

Arabic could express that more clearly by repeating تغيير, for example:

• تغيير الرصيف وتغيير موعد الوصول

So as written, the phrase is more naturally understood as a compact listing of two items, not necessarily that change governs both equally.

Most naturally, في إعلان المحطة modifies the whole preceding phrase.

So it tells you where this information appears:

• in the station announcement

Arabic often places this kind of prepositional phrase after the main noun phrase it relates to.

So the structure is roughly:

• [platform change and arrival time] [in the station announcement]

Because المحطة is the second noun in the iḍāfa:

• إعلان المحطة = the station announcement

In an iḍāfa, the second noun is genitive.

Also, إعلان itself is after the preposition في, so it is also genitive.

With full case endings:

• في إعلانِ المحطّةِ

So:

• إعلانِ is genitive because of في
• المحطّةِ is genitive because it is the second term of the iḍāfa

Yes.

It is:

• إعلان = announcement
• المحطة = the station

So:

• إعلان المحطة = the station announcement

This is the same basic structure as:

• موعد الوصول
• تغيير الرصيف

Arabic uses iḍāfa constantly, so recognizing it is one of the most useful skills for reading MSA.

As a standalone heading or fragment, a likely fully vowelled version would be:

تغييرُ الرصيفِ وموعدُ الوصولِ في إعلانِ المحطّةِ

Breakdown:

• تغييرُ: nominative as the first item of the phrase
• الرصيفِ: genitive in the iḍāfa-like construction
• موعدُ: nominative, coordinated with تغييرُ
• الوصولِ: genitive in iḍāfa
• إعلانِ: genitive after في
• المحطّةِ: genitive as the second term of the iḍāfa

In normal Arabic writing, these short vowels are usually not written.

Yes. الرصيف can also mean sidewalk or pavement/curb depending on context.

But in transportation contexts, especially with trains or stations, it commonly means:

• platform

So context is what tells you which meaning is intended.