Paralympics legend Baroness Tanni Grey-Thompson is re-opening Middlesbrough Bus Station following a £1.5m revamp.
The council says accessibility has improved significantly for disabled users.
The bus station is one of the busiest in the region with 27,000 passengers passing through every day.
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The constituency of Washington and Sunderland West includes the UK's largest car plant, which was opened by Nissan in 1984.
This seat was formed prior to the 2010 General Election, taking in Sunderland city centre and the Ryhope area to the south.
The constituency of Stockton South includes relatively affluent areas like Yarm and Eaglescliffe.