Signification of HS x (Hotspot) for Taxiways

Hi all

What is the signification of red circle with mention HS x on taxiway ?
for example in Marseille LFML (HS1 HS2 HS3)
i could suppose that it is restricted taxiway circulation

Kind regards

Hi Thierry,

HS is short for Hot Spot. Please see

" A hot spot is a location on an airport movement area with a history or potential risk of collision or runway incursion, and where heightened attention by pilots and drivers is necessary."


Hi Ian
not at all the circulation restriction i supposed
thanks for your answer


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