The most common and most likely answer to this crossword clue is the 10 letter word BOBSLEIGHS
I've seen this crossword clue in Financial Times
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More clues leading to the result BOBSLEIGHS
Buddy explains!
The straight part
We know that "vehicles in the snow" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case vehicles in the snow = bobsleighs.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 BOBSLEIGHS mean?
BOBSLEIGHS noun- A sleigh for saw logs or heavy timber resting on two pairs of two short runners
- A winter sport in which teams make timed runs down narrow, twisting, banked purpose-built iced tracks in a gravity-powered sled.
- The sled used in the sport of bobsleigh