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In page Tramlink:

"

Centrale tram stop, in Tamworth Road on the one-way central loop, opened on 10 December 2005,[1] increasing journey times slightly. As turnround times were already quite tight, this raised the issue of buying an extra tram to maintain punctuality. Partly for this reason, but also to take into account the planned restructuring of services, (subsequently introduced in July 2006), TfL issued tenders for a new tram.[citation needed] However, nothing resulted from this.