Having too many parking garages is not Downtown Detroit's problem. The plethora of surface lots is the problem. With new rules requiring that parking garages have ground level space for retail [[Z lot), building new garages would be welcome downtown. The real coop would be to get more underground parking. The chance to turn I-375 into a surface street opens the door for some underground parking. Too bad they couldn't do underground parking when Washington Boulevard was redone. Having underground parking there now with the Westin and Aloft hotels on each end of Washington Boulevard, would be ideal. Getting rid of the surface lots downtown with either an office building, residential building, or a parking garage will bring back downtown.