I decided to make this map of my vision of what a trolleybus system in Detroit would look like. Here it is:

http://maps.google.com/maps/ms?msa=0&msid=208332450253786108113.0004b1cf6129fb f43c644

Does this layout work for you? What lines would you take to/from work if you lived near any one of those lines? Feel free to comment or critique here.