Now they consider how to reduce disturbance of the surrounding area, and also require contractors to respect the rules (or be fined). In some steep slopeland areas or environmentally sensitive areas, they go even farther, using cable cars to transport materials or high-pressure pipelines to move concrete, rather than relying on trucks, thereby reducing environmental impact to a minimum.
現在施工都會考慮如何縮小工程對環境的擾動，也會要求承包廠商遵守，否則開罰；有些地形陡峭、環境敏感的區域，更運用索道來運送施工材料，或用高壓泵來運送混凝土，以將對環境的擾動降到最低。