forward movement; progress in a forward direction

The ship's headway was slowed by the storm.

progress in general

headway in a career.

rate of progress

a slight headway against concerted opposition.

the time interval or distance between two vehicles, as automobiles, ships, or railroad or subway cars, traveling in the same direction over the same route. ?

make headway

to proceed forward; advance; progress.

noun

block , hindrance , stoppage

noun

advance , advancement , anabasis , ground , improvement , increase , march , proficiency , progression , promotion , way , furtherance , progress , dent , distance