Problems I Have Trouble IN OMSI

1st-When i want Set a bus route (eg 137 Kresstrap to Munsinger Park) and It really Bugs Me because I cant SET The Timetable Propley as it Nor Clear

2nd- My bus keeps Jumping up and Down when it fps Slow Down and I tried Fixing it but i cant do it any More

I don't understand your first problem. And as for your second, it appears that your computer is too slow. Either upgrade it or buy a brand new one.