Dr. Jenny Deakin:

To follow up, we have 200 water bodies that are impacted by urban run-off, which would include the impact from roads. As Ms Gurrie said, scientifically, we see an impact from road run-off. It is mainly around the sediment issue we talked about previously. Sometimes, in the urban environment, it can also bring all sorts of other contaminants, such as heavy metals and other chemicals. Members will probably be aware that a research programme under way at the moment is looking at the run-off from farm roads. As Ms Gurrie said, a lot of work is in progress to manage the run-off from motorways. It is something we are aware of and that we input into our assessments.