[Regarding fasting voluntarily while traveling]
Hadith.1981 - Imam Jafar ibn Muhammad Al-Sadiq (as) said:
"Fasting while traveling is not an act of righteousness."
Man Lā Yaḥḍuruh al-Faqīh #195Hadith.1766 - Hisham ibn al-Hakam asked Abu Abdullah Imam Jafar ibn Muhammad Al-Sadiq (as) about the reason for fasting.
Imam (as) said:...