Speed __ (road maximum) (5)
I believe the answer is:
limit
(Other definitions for limit that I've seen before include "control" , "Boundary or restriction" , "Restrict to specified range" , "Furthest bound" , "Keep in" .)
I believe the answer is:
limit
(Other definitions for limit that I've seen before include "control" , "Boundary or restriction" , "Restrict to specified range" , "Furthest bound" , "Keep in" .)