Taxi drivers in Newcastle say they are paying hundreds of thousands of pounds for just five spaces outside the city's train station.
Work has just started on a multi-million pound refurbishment of the station. But already some taxi drivers say they are unhappy with the new layout.
Watch Lucy Taylor's report here:
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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.