and finally i can just look at erm draft planning policy guidance thirteen, it is very easy to lift one or two sentences out of either the draft planning policy note, or indeed the ecotech report which underpins it, erm, i think if a full reading is made of that, what comes across strongly in the research is that there is a very complex relationship between urban forms and transport patterns, and indeed erm i think the advice in p p g, er draft p p g thirteen is prefaced with a note that erm, transport issues are, will be erm, there are very few general principles, if any, and local er considerations will influence the er the importance of this iss issue very considerably, what i think draft p p g thirteen does invite us to do is to more overtly look the transportation implications of alternative settlement patterns, and that's all.