Naming the Sydney Metro lines

ECF invite you to have your say! How do you feel about the new Sydney Metro lines appearing to have the same name as the main motorway heading north from Sydney?
1.Do you believe it would be beneficial to name the new Sydney Metro lines for the purpose of improving wayfinding?
2.How easy is it for you to remember and differentiate between the different transportational lines using the current numerical system?
3.If you could choose, would you prefer the Sydney Metro lines to have unique names or continue with numerical designations?
4.What types of names would you prefer for the Metro lines?
5.Do you think unique names for Metro lines could make the system more engaging or memorable for residents and tourists?
6.How important is it for you that the naming of the Metro lines reflects the local culture or community?
7.What would you name the Sydney Metro lines?