Making the cars go like

Hi,
How can i make a mc(car) ride a path?.
like this is : A------------------ 0000000000000000000
0000000000000000000000000 | 00000000000000000000
0000000000000000000000000 | 0000000000000000000000000
0000000000000000000000000 | 0000000000000000000000000
0000000000000000000000000 | 00000000000000000000000
000000000000000000000000 ---------------B
not randomly ride from A to B but how i specificly want it .

thnx in advance mr pancake