The most common and most likely answer to this crossword clue is the 11 letter word PEDESTRIANS
I've seen this crossword clue in The Daily Telegraph
P
E
D
E
S
T
R
I
A
N
S
More clues leading to the result PEDESTRIANS
Buddy explains!
The straight part
We know that "these people are taking steps" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case these people are taking steps = pedestrians.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 PEDESTRIANS mean?
PEDESTRIANS noun- A walker; one who walks or goes on foot, especially as opposed to one who uses a vehicle.
- Specifically, an expert or professional walker or runner; one who performs feats of walking or running.