The Sufficient (Vol 3) · Hadith 1730 (#Ḥadīth #12)
Chapter 82 | Performing Optional Salah (Prayer) on a Journey
12ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ ابْنِ أَبِي نَجْرَانَ عَنْ صَفْوَانَ عَنْ أَبِي الْحَسَنِ الرِّضَا (عَلَيْهِ الْسَّلام) قَالَ صَلِّ رَكْعَتَيِ الْفَجْرِ فِي الْمَحْمِلِ.
12. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from ibn abu Najran from Safwan who has said the following: “Al-Rida’ , has said, ‘You can perform the two morning Rak‘at in the carriage.”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).