By starting the community planning process, the CTA has at least signaled that it views the Red Line-Purple Line modernization project as an exercise in urban design, not just transportation. It would be even better if the agency were to aim higher and insert the word "placemaking" in its development standards for the project. Wrigleyville and the neighborhoods around it are, above all, memorable places. The first order of business should be to do them no harm and ensure that new buildings are compatible and the bypass touches the ground lightly.