Going rate (4)
'going rate?' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for toll that I've seen before include "Crossing fee" , "number of dead?" , "Sum payable to use main road (4)" , "Be inclined" , "Charge for using, eg, road" .)
'going rate' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for fare that I've seen before include "Menu" , "Paying passenger" , "Taxi hire cost" , "Food for the cost of a journey" , "Payment for journey" .)
(Other definitions for mph that I've seen before include "Speed (abbreviation)" , "Miles per hour (abbrev.)" .)