Bay of Plenty region was formed in 1989 after a nationwide review and shakeup of top-level local government in New Zealand. The new region incorporated the former counties of Tauranga, Rotorua, Whakatane and Opotiki. On 5 October 2011, the MV Rena ran aground on the Astrolabe Reef in the bay causing a large oil spill, described as New Zealand's worst ever environmental disaster. The region is subdivided into territorial authorities, which include the Western Bay of Plenty District, Tauranga City, Whakatane District, Kawerau District and Opotiki District, as well as parts of Rotorua District and the town of Rangitaiki in Taupo District. The
Bay of Plenty freight. The hub of regional economic activity is the Port of Tauranga, with well-established rail and road connections to other parts of the region. Three commercial airports also operate in the Bay of Plenty: Tauranga Airport, Rotorua Airport and Whakatane Airport. Car travel remains the dominant form of transport in the region. In 2002, the number of vehicles owned in the region was 189,000, with an average of 1.51 vehicles per household. Public transport bus services exist only in Tauranga and Rotorua. Significant growth in the Western Bay of Plenty District has seen increased strain on road infrastructure, particularly with