Every city needs automated garbage collection! My son and I worked over a year to make a city-scale automated side-loading garbage truck that functions smoothly and reliably. We finally have it working and have submitted the model to LEGO Ideas:

ideas.lego.com/projects/7d7f4e15-55e7-44c4-bb30-3a66b9cc0598

Please support our Automated Garbage Truck project on LEGO Ideas!