This begins with an examination of broadly defined routes, progressing through the selection of a ‘preferred route’ to detailed environmental assessment and design.
A Stage 2 ‘preferred route’ assessment involved a more detailed assessment including surveys to identify the key effects and factors to be taken into account when selecting and comparing the two corridor options. This resulted in the selection of a 'preferred route' within corridor option 1 progressing to Stage 3 as the ‘preferred route’.