emergency calls. It is equipped with 14 fire appliances which can respond to incidents within two minutes in optimum conditions of visibility and surface conditions, satisfying the relevant recommendation of the International Civil Aviation Organization. Two high capacity rescue boats, supported by eight speed boats, form the core of sea rescue operations. One ambulance is assigned at each of the airport fire stations. Ground transport The Airport is connected to inner Hong Kong by the Route 8 in Hong Kong North Lantau Highway on Lantau Island. There is an automated people mover, operated by the Airport Authority and maintained by MTR Corporation, connecting the East Hall to the Midfield Concourse via West Hall and Terminal 2. It was extended to SkyPier in late 2009 and extended to Midfield Concourse in 2015. Bus Citybus (CityFlyer for Airport services), New Lantau Bus, Long Win Bus and Discovery Bay Transit Services (Permits required) operate more than 25 bus routes to the airport from various parts of Hong Kong, available at the Airport Ground Transportation Centre and Cheong Tat Road. The bus companies also offer 10 overnight "N" Bus lines (a.k.a. Night services). Passengers can also take bus route number S1 to the Tung Chung MTR station. From there they can board the MTR Tung Chung line which follows the same route as the MTR Airport Express Line to Central Station with cheaper fare but longer journey time. There is bus service to Hong Kong–Zhuhai–Macau Bridge Control Point. Which services between Chek Lap Kok, Hong Kong to Zhuhai, China and Macau. Coach services are also available to major cities and towns in Guangdong Province, China. such as Dongguan, Guangzhou and Shenzhen. And Also for HZMBus to Macau Ferry Direct ferry services are available from the airport to various destinations throughout the Pearl River Delta in China and Macau via Skypier. Passengers using these services are treated as transit passengers and are not considered to have entered Hong Kong for immigration purposes. For this reason, access to the ferry terminal is before immigration in the airport for arriving passengers. Check-in services are available at these piers. Four ports – Shekou, Shenzhen Airport (Fuyong) and Humen (Dongguan) in China, and Outer Harbour Ferry Terminal in Macau– were initially served, extending to Guangzhou and Zhongshan at the end of 2003. The Zhuhai service began on 10 July 2007 while a Nansha service started on 14 July 2009.