Question:

Is there a night train that goes from Mashad to Shiraz? I cannot seem to find any information or flying is the only way?

Answer:

The train between Mashad and Shiraz is available. The Omid train is one of the series of trains that operate on the Shiraz-Tehran line. Another name of this train is Plour Sabz and it also operates on the Mashhad route. The Omid train is 4 stars and is considered a Romanian train. Omid train carriages have 10 4-bed compartments each.

For train booking you can check:Iran train ticket booking.