iTunes provides music, rather than a physical object, and that saves on materials and haulage.
They are also the result of materials and industry, haulage and trucks.
However, road construction in protected areas should be sustainable in terms of availability of quality materials within economic haulage distance and the entire construction, operation and maintenance process should have less environmental impacts like habitat fragmentation and dust pollution.
The energy savings certificates that were introduced in 2005 make it compulsory to make energy savings during a given period or face a fine (energy savings could be made by using special tyres, training drivers in economically driving techniques, using environmentally-friendly materials in road haulage company premises, etc).
For the operation of a skyline on forest land, there must be an adequate quantity of wood raw materials in the haulage area.
Sometimes it may be necessary to haul material further than an economic distance, but usually haulage distances will be within the capacity of a tractor working without a scraper.
New York State's Supplemental Generic Environmental Impact Statement (SGEIS) for potential natural gas drilling activities in the Marcellus Shale formation estimated that haulage of all materials (including water) for hydraulic fracturing totaled 15 740–23 040 truck-miles for a one-well project(20) and about 20% less per well for a 10-well pad.
The Material Handling division offers fleet of handling and haulage equipment in the areas, including complete haulage contracts, bulk earthworks and loader feed contracts.
However, increasingly it is becoming difficult to find lateritic material that meets the required specification within economic haulage distances of roads under construction.
Djellal [12] discusses the distinction between services dealing with information and "non-informational" services and demonstrates, in particular for road haulage services, the co-existence of material configurations with a growing integration of information, methodological and relational aspects.
