Six Auckland councillors have joined mayoral candidate Wayne Brown calling for the books to be opened on a budget blowout on the $4.4 billion City Rail Link (CRL), NZ Herald reports. As far back as June last year, CRL bosses have signalled a rise in the price of the project, which Auditor-General John Ryan has called “the country’s largest and costliest transport infrastructure projects ever”. Former Councillor Mike Lee said CRL Ltd’s secrecy shows disrespect for the public’s right to know.