The most common and most likely answer to this crossword clue is the 4 letter word LANE
I've seen this crossword clue in The Times
L
A
N
E
More clues leading to the result LANE
- Country route back from Glenallachie
- Aircraft abandoning its initial path
- Way in when allowed back
- Part of the motorway network beginning to erode
- Perhaps Mars bar wrapper shows the way
- Perhaps Earth’s off limits for Superman’s girlfriend
- Computer network: electronic pathway
- 13 Narrow road in two states
- Path that’s used by aircraft on trip
- Path stretched out, we hear
Buddy explains!

The straight part
We know that "Country route" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case country route = lane.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does LANE mean?
LANE noun- (used in street names) A road, street, or similar thoroughfare.
- A narrow passageway between fences, walls, hedges or trees.
- A narrow road, as in the country.
- A lengthwise division of roadway intended for a single line of vehicles.
- A similar division of a racetrack to keep runners apart.
- A course designated for ships or aircrafts.
- An elongated wooden strip of floor along which a bowling ball is rolled.
- An empty space in the tableau, formed by the removal of an entire row of cards.
- Any of the parallel slots in which values can be stored in a SIMD architecture.
- In MOBA (multiplayer online battle arena) games, a particular path on the map that may be traversed by enemy characters.
- The homestretch.