The Regional Police Underwater Search Team are due to begin an underwater search of the River Ouse as part of the enquiry to locate missing York man, Chris Baker who went missing on 20th December 2012.
The search team will launch the boat at Naburn lock and will travel upstream towards York.
The 29-year-old was driving to work at Hull Royal Infirmary when he suddenly abandoned his grey Renault Megane on Skeldergate Bridge in York city centre.
He then gestured to a woman in the car behind him before jumping over the wall of Skeldergate Bridge on to the banks of the River Ouse.
He has not been seen since.
River levels have dropped sufficiently to allow a safe search of the river.
He is described as white, around 5ft 9in tall, with a slim build and curly, dark brown hair. He was wearing a striped work shirt when he was last seen.
More top news
The department chain has announced plans of a 45 day consultation, in which the amount of redundancies could be decided.
Stephen Unwin and William McFall were handed whole life sentences for the brutal murder of 28-year-old Quyen Ngoc Nguyen last August.
Part of the eastbound carriageway in Middlesbrough was closed for several hours and will be reduced to one lane in the coming days.