Passengers accepting adjustment of toll - it's the same for everyone (4,3)
I believe the answer is:
john doe
'everyone' is the definition.
(thesaurus)
'passengers accepting adjustment of toll it's the same' is the wordplay.
I cannot really understand how this works, but
'of' could be 'o' and 'o' is found in the answer.
'same' could be 'do' and 'do' is found in the answer.
'it' could be 'e' ('e' can mean 'electronic' which is similar to 'IT') and 'e' is found in the answer.
This may be the basis of the clue (or it may be nonsense).
'for' is the link.
Can you help me to learn more?
(Other definitions for john doe that I've seen before include "who's unknown" , "court's plaintiff imagined" .)