For political reasons, but that's the least expensive and least technically risky portion. The portion back into LA and the portion back into SF are going to m

For political reasons, but that's the least expensive and least technically risky portion. The portion back into LA and the portion back into SF are going to make the prices they're paying for this easy section pale in comparison. They're hoping the sunk cost fallacy will get them the money they will need on the hard parts.