Rigidly laid down way to drive in a race? (4,3,4)
I believe the answer is:
hard and fast
'rigidly laid down' is the definition.
The definition suggests an adjective which matches the answer.
'way to drive in a race?' is the wordplay.
I cannot quite understand how this works, but
'way' could be 'st' (abbreviation for street) and 'st' is found within the answer.
'a' could be 'an' and 'an' is found in the answer.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for hard and fast that I've seen before include "Fixed (like a bullet?)" , "Rigidly applied" , "Not moving" , "Not able to be changed" , "Strict" .)