1. if an event is a particular period of time down the road, it will not happen until that period has passed.

This is a wonderful invention, but a marketable product is several years down the road yet.

2. if you say that something will happen down the road, you mean it will happen in the future.

We may at some point buy a house but that's down the road.

• put someone over the top
• put someone over your knee
• put someone's back up
• put someone's mind at ease
• put someone's mind at rest
• put someone's nose out of joint
• put someone through
• put someone through hell
• put someone through hoops
• put someone through paces
• put someone through something
• put someone through their paces
• put someone through the mill
• put someone through the wringer
• put someone to death
• put someone to shame
• put someone to sleep
• put someone to the test
• put something back on the rails
• put something back on track
• put something behind
• put something behind someone
• put something behind something
• put something behind you
• put something down to experience