Provided they feel that they know enough about the subject to supervise it, and provided that it can be interpreted as falling within the broad fields of your degree subject, academic staff are generally open to suggestions.
You should think realistically about the practical implications of your choice, in terms of: For example, a project on coal mining in the North East of England may require you to visit Newcastle’s Record Office, or to interview coal miners from the region.
You could try outlining your project under the following headings (Booth, Williams, & Colomb, 2003. Chicago: The University of Chicago Press.): You may find that some of these headings are difficult to fill in right at the start of your project.
However, you can use the gaps to help identify where you need to begin work.
The companion guide Writing a dissertation focuses on the preparation of the written report or thesis.
A dissertation is a particular kind of academic task.
This is a much better research problem as it establishes an argument (existence of public transport may have some influence on new housing development). You will be investigating a complex subject (public transport in Scotland), but will be focusing on only one aspect of it (possible influence on new housing development).
However, it is still quite general and could be improved by further focus. You will make this large subject manageable by focusing on a limited period of time (1990 onwards), and limited sources.
Once your topic has been accepted by your department, you need to begin the process of refining the topic and turning it into something that is focused enough to guide your project.
Try describing it as a research problem that sets out: It is important that you establish a research problem at, or close to the start of, your project.