Here is the full list of all 14 Railroad operator achievements.
Operated a train for the first time
Reach the station for the first time
Reach the station of STAGE1 for the first time
Reach the station of STAGE2 for the first time
Reach the station of STAGE3 for the first time
Reach the station of STAGE4 for the first time
The total mileage exceeded 5km
The total mileage exceeded 10km
The total mileage exceeded 20km
The total mileage exceeded 34.5km
You got three achievements.
You got five achievements.
You got ten achievements.
You got all of achievements.