If you want to see the exact route, these roll plots are a big PDF, but they provide a lot of detail:
https://www.valleymetro.org/sites/de...g_combined.pdf
According to this fact sheet, the first phase of construction is utility relocation at various sites on Dunlap and 25th Avenue:
https://www.valleymetro.org/sites/de...et_q3_2020.pdf