What method/technology and route should be used to extend the Millennium Line to UBC? (poll 1552956)

What method/technology and route should be used to extend the Millennium Line to UBC?

Underground SkyTrain via West 10th Avenue (with station entrances located on Broadway) using bored tunnel

Underground SkyTrain via West 10th Avenue (with station entrances located on Broadway) using cut and cover

Underground SkyTrain via Broadway using bored tunnel

Underground SkyTrain via Broadway using cut and cover

Street level light rail transit via Broadway

Vote View Results

See this poll on: https://poll.fm/1552956/embed