Such transparency in the role of municipal- and state-level agencies, and good co-ordination between them, is particularly important in the State of Mexico and Hidalgo, where municipal governments usually receive the documents from the public but pass them on for evaluation by state-level agencies. Table 3.6 summarises the main studies required from developers included in the UK framew'ork and notes the need for strong analytical capacity in authorities evaluating this instrument. In the United Kingdom, transport statements are required for developments considered to have relatively small implications, but transport assessments are obligatory for developments likely to have more impact.