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

No File Exists
Check below answers in case you are looking for other related questions:
Minimum distance of travel at which it is permissible not to fast and to shorten prayers
Can he shorten his prayers and eat before leaving his house on a journey?

No File Exists
Related Answers:
He was traveling but he forgot and stood up for a third rak’ah
A woman should not travel except with a mahram, even if it is a short trip
Ruling on shortening prayers whilst travelling
Minimum distance of travel at which it is permissible not to fast and to shorten prayers
Can he shorten his prayers and eat before leaving his house on a journey?

Recommended answers for you:
Virtue and times of regular Sunnah prayers (Sunnah mu’akkadah)
He is uncertain of his wife’s virginity because there was no bleeding
Reasons for the punishment in the grave
Dealing With a Cheating Husband
Ruling on democracy and elections and participating in that system