Can a person who travels and stays somewhere for one day join and shorten his prayers?

A traveller joined two prayers together at the time of the earlier one, then he went back to his city before the time for the later prayer began

Do the rulings on travellers apply to one who intends to stay for three days?

The traveller may shorten his prayers even if he is not encountering any difficulty

If he prays ‘Isha’ with Maghrib at the time of Maghrib, he can pray Witr immediately after that.

Should a traveler pray four rak’ahs with the congregation or pray two rak’ahs on his own?

His work is 40 miles away; should he shorten his prayers?

The traveler may pray the travel (shortened) prayer once he has passed the city limits

Ruling on joining ‘Asr prayer to Jumu’ah prayer

The one who takes a short trip to a city where he has a relative is considered to be a traveler