This is the 10243rd most frequent Russian word.
блокпосты
"Blokposty" are "checkpoints" or "roadblocks."
The word 'блокпоста' in this context is used in the genitive singular form to indicate possession or specification of 'checkpoints' in a location.
На дороге находились три блокпоста.
There were three checkpoints on the road.
Here, 'блокпосты' appears in the nominative plural form as the subject of the sentence, signifying the main participants of the action.
Блокпосты были установлены для обеспечения безопасности.
Checkpoints were established to ensure safety.
The term 'блокпостов' is used in the genitive plural form, describing the car's proximity to multiple checkpoints.