This paper looks briefly at the types of publication produced by the Department of Transport, and says something about the availability of unpublished information. To illustrate…
Abstract
This paper looks briefly at the types of publication produced by the Department of Transport, and says something about the availability of unpublished information. To illustrate, I shall look at one or two areas in detail, outlining how data are collected, and how the information feeds into our system. However, I should like to start by saying a little about source guides.