A big fire at a plastics factory in the northern Athens suburb of Metamorfossi has shut down the highway to Thessaloniki, as well as the Attiki Odos ring road, near its junction with the highway.
Early in the afternoon, the direction to the north was opened to traffic.
Tolls on the Attiki Odos open segment to the airport are free.
Thursday's session on the Athens Stock Exchange was even more subdued than recent days, if that is possible.
In the end, the general index, which had been showing mild losses throughout, tipped over into positive territory, closing at 637.27 points, a gain of 0.36%. Late gains in OTE Telecom were the main reason.
Turnover was €23.61 million on volume of 16,373,894 shares.
A tourist wearing a face mask to guard against the coronavirus is seen leaving the Stoa of Attalos in the Ancient Agora's archaeological museum in central Athens, Tuesday. Greece's Culture Ministry announced on Monday that it was closing the museum of the major archaeological site for two weeks after a cleaner there was diagnosed with Covid-19.
Work on downtown Panepistimiou Street that is part of a plan to create an extensive network in Athens for pedestrians and bicycles caused traffic jams across the city center on Monday. The City of Athens has called for the understanding of residents as the project, dubbed the Grand Walk, is still in its pilot phase.