Greek transport workers on Monday staged their sixth strike in a fortnight in protest at government spending cuts.
Athens ground to a standstill as metro staff, bus drivers and rail employees all took part in the industrial action.
The government wants to slash jobs and public sector wages to keep emergency loans flowing.
The so-called troika of the IMF, the European Commission and the European Central Bank are set to conclude talks by Tuesday on whether to pay out the next aid installment of eight billion euros.
Municipal employees have stopped making rubbish collections since October 5 in protest at the civil service cuts.
Greece says it could run out of cash by mid-November unless it receives fresh loans.
That could trigger a domino effect across the euro zone’s indebted economies and further spook financial markets.