Thessaloniki Transport Authority (TheTA / ΟΣΕΘ)

Urban buses of Thessaloniki
Routes: X1, X2, X3, N1, T1, T7, T11, 2K, 2M, 3K, 04, 05, 6A, 6B, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 37, 38, 39, 50, 52, 72

Buses operating for TheTA (previously OASTH routes)
Routes: 01, 09, 36X, 40, 42, 43, 45, 51, 53, 54, 55, 56, 57, 70, 71, 80, 81, 82, 83, 84, 85, 86, 89, 90, 91, 92

Temporarily providing a limited number of vehicles for TheTA routes.

Buses operating for TheTA (previously OASTH routes)
Routes: 36, 58, 59, 60, 61, 64, 66, 67, 68, 69, 76, 77, 79

Buses operating for TheTA (previously OASTH routes)
Routes: 87, 88