1. What is the floor of the tunnel made out of?
Concrete.
2.What to construction workers do at surface level in order to prepare the city at surface level for the Metro Red Lin's midtown route?
A reinforce foundation.
3. What is the name of the temporary road called that is created for street traffic to use during the cut and cover station construction? What are these roads made out of and why?
Red Lin's midtown route.
4. On Pages 30-31 there are is a model of the train station, do you like it? What would you change about this station model?
I would not change anything it looks good.
5. What is the "Pink Lady"?
She brings all the materials.