2000-2001: Cambridge-Huntingdon multi-modal study (CHUMMS) takes place. June 2001: CHUMMS-preferred plan published, recommending guided bus project, costed at £56 million at 1998 prices, and A14 road improvements. December 2001: Arthur Henderson, guided b

2000-2001: Cambridge-Huntingdon multi-modal study (CHUMMS) takes place.

June 2001: CHUMMS-preferred plan published, recommending guided bus project, costed at £56 million at 1998 prices, and A14 road improvements.

December 2001: Arthur Henderson, guided bus inventor and Cambridge resident, says guided bus unsuitable for Cambridge-Huntingdon. Recommends alternative rail link.

January 2002: The Hunts Post launches "Boot out the Bus" campaign. Huntingdon MP Jonathan Djanogly backs it.

July 2002: Project cost reaches £73million. Guided bus scheme to be a "closed system" SuperCam. System to extend to Huntingdon using conventional buses.

June 2003: Project cost reaches £75million. Guided bus scheme to be an "open" system using adapted conventional buses.

Autumn 2003: "Rapid transit" tag quietly dumped by CCC.

December 2003: Project cost reaches £80million. Government pledges £65million towards cost.

January 2004: Project cost reaches £85million (at projected 2007 prices).

February 2004: County council votes on and submits Transport & Works Act application. Consultation begins. Project estimated at £86million.

February 2004: Cost reaches £86.4million. Government's £65million contribution turns out to be half grant, half borrowing facility.

April 2004: Public consultation period ends.

August 2004: The Hunts Post suggests conventional bus alternative.

September 28 2004: Start of public enquiry at Slepe Hall, St Ives.

December 2005: Government approves TWA Order.

July 2006: Project cost reaches £116.2million. Government to contribute £92.5million.

Early 2007: Engineering work starts.

December 2008: Guided bus service opens.