This is the 16354th most frequent Russian word.
ремонтируют
"Repair" or "are repairing."
In this sentence, 'ремонтируют' is used to describe the ongoing action of repairing by the workers.
Рабочие ремонтируют мост после сильной бури.
Workers are repairing the bridge after a heavy storm.
'ремонтируют' in this context implies a general ongoing process being performed to achieve better transportation.
Сейчас ремонтируют дороги, чтобы улучшить транспортную ситуацию в городе.
Currently, roads are being repaired to improve the transportation situation in the city.
Here, 'ремонтируют' expresses the continuous action of repairing performed by workshops.