A new velodrome could follow the models used in other UK cities
An indoor velodrome and a 50-metre swimming pool could be built in Derby as part of a major overhaul of the city's sport and leisure facilities.
The new swimming complex would replace Derby's ageing Queen Street baths, which are more than 70 years old.
The velodrome could also be used as a concert venue with a capacity of up to 3,000 people.
Almost £50m could be spent on the facilities. The proposals will be put to the city council's cabinet in 2010.
The announcement comes as a Sport England survey placed Derby in the bottom quarter for customer satisfaction in its leisure facilities.
Derby City Council's director of environmental services, Paul Robinson, said: "People are saying that [the current facilities] are not suitable - they're not acceptable in terms of the modern state they expect, that they don't meet their aspirations.
Chief executive of GB Cycling, Ian Drake, said: "There's a fantastic club base and cycling tradition in Derby.
"There's no doubt that the venue will be really heavily used for both participation for the sport and also to nurture talent for the future."
No sites for the venue have been put forward. Possible venues will be explored once the plans have gone before the council next year.
The cost of the new developments are likely to be met through long-term borrowing and external funding.
The plan seeks to replace aging facilities with state-of-the-art venues
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