Planning for “transit oriented development” has long been discussed, mostly in relation to rail and metro lines. However, modern Ireland has developed around its road network, and public transport on roads primarily means buses. Ireland’s national government is making major investments in bus operations, infrastructure, fleet and technology. For these investments to have maximum impact, the way that Ireland uses land and develops new urban areas must change. To that end, the National Transport Authority of Ireland (NTA) and Jarrett Walker + Associates (JWA) have co-authored an illustrated guidance document for planners and developers, showing how land use decisions affect the ultimate cost, usefulness and patronage of bus services. This guidance document is contributing to greater coordination among national plans, national investments, local authorities’ development decisions and private development. It provides advice that is relevant in any country and that is urgently needed to address the climate crisis.