Pictures 3 Chicago, Burlington and Quincy -CBQ- Railroad Roundhouse and Shops, Aurora Illinois Tweet Do you have an update on the current status of this structure? Please tell us about it in the comments below. Roundhouse (1859 and 1866 portions), exterior elevation facing north northeast Roundhouse (1859 and 1866 portions), exterior elevation facing northeast Machine shops A and B, and Roundhouse (1856 and 1859 portions) facing southeast Blacksmith shop, rod shop, and machine shops A and B, facing northeast. Machine shops A and B, west elevation Blacksmith shop and rod shop, west elevations