As part of wider goal to better understand and take account of the views of businesses, DfT commissioned a review of existing UK research evidence on private sector business attitudes to transport. The review will also help determine the future needs of the transport system. The evidence reviewed consisted of reports and studies from 1994-2008.
Some notable conclusions include:
The full report can be found here:
http://www.dft.gov.uk/pgr/scienceresearch/social/businessattitudes/summary