Takbir and Tasbih during travel

قَالَ جَابِرٌ رضي الله عنه: (كُنَّا إِذَا صَعَدْنَا كَبَّرْنَا وَإِذَا نَزَلْنَا سَبَّحْنَا)

Narrated Jabir bin `Abdullah:Whenever we went up a place we would say, "Allahu--Akbar (i.e. Allah is Greater)", and whenever we went down a place we would say, "Subhan Allah