Train or bus?

Hmm… Signal System?

Galaxy Railway 999 Departure Melody which is also used by Sanyo Shinkansen?! [Source]

IMPORTANT MESSAGE: Final operation date on 11/30 (mm/dd)

The last trolleybus system in Japan. Operated since 1996, it remained an important transport access in Tateyama Kurobe Alpine Route (Mountain route).

However, due to difficulty of transporting parts, it will be replaced by electric bus in the future.

Farewell Tateyama Tunnel Trolleybus, the world last right-hand driving trolleybus.

Route map: Murodo - Daikanbo

Side note: In Japan, trolleybus is considered as railway. And the Murodo station is the highest railway station in Japan.

Sidenote2: Tateyama Kurobe Alpine Route consists 5 different type of transportation (including trolleybus)