A system for moving trains or any other structure along a straight line

Instructions:
First, press "Reset Timer" then turn "Timer" on
Press "Place Train", then "Start Train". Wait for the train to stop moving
When it reaches the end of the track, press "Clear Track"
Turn "Timer" off
To adjust speed, change the command in the command block on the right side. The number in the command must be a whole number. The lower the number, the higher the speed will be
After changing the command, press the button between the repeaters

Credit to SirRoman for the command block timers youtube.com/watch?v=_28-sP3-DyA