Mode of transport available, especially in underdeveloped or inaccessible regions. Although humans are able to walk without infrastructure, the transport can be enhanced through the use of roads, especially when using the human power with vehicles, such as bicycles and inline skates. Human-powered vehicles have also been developed for difficult environments, such as snow and water, by watercraft rowing and skiing; even the air can be entered with human-powered aircraft. Land transport covers all land-based transportation systems that provide for the movement of people, goods and services. Land transport plays a vital role in linking communities to each other. Land transport is a
High-speed rail in the United Kingdom aiming to establish conventional high-speed wheel-on-rail technology as the mode of choice for new lines. The group has performed studies on routeing, environmental issues and the use of high-speed rail as an alternative to short-haul airlines. Currently it is proposing a new high-speed line between, at first, London and Birmingham. This is tentatively called High Speed Two. It was reported in August 2006 that London and Continental Railways (the developers of HS1) was to put forward a high-speed rail scheme to the Department for Transport this autumn. Its scheme would cost between £12 billion and £19 billion depending on the