Dense fog enveloped the State capital city on Tuesday morning affecting vehicular movement.
With the visibility reduced to 10 metre, commuters were seen driving their vehicles slowly with headlights on in a bid to avoid any collision.
According to the local Meteorological Centre, the foggy condition during morning would prevail till February 2.
The departure times of several trains were delayed due to the fog. The Rajdhani Express, which was earlier scheduled to leave Bhubaneswar at 9.30 am, was rescheduled for 12 noon.
Similarly, the Purushottam Express was rescheduled for departure at 8 am, the Neelachal Express at 10 am and the Hirakhand Express at 9 am, railways sources said.