This talk, given to the Greater Marston Labour group on 21st June 2021, covers five key features of Ox-Cam Arc plans; houses, roads, the economy, the environment and democracy. Arc ambitions involve over-development of the five Arc countries; road corridors ‘only to meet existing needs’ (despite the fact that the plans involve hundreds of thousands of new houses); economic arguments that do not stand up to close scrutiny; use of biodiversity net gain approaches that fail twice as often as they succeed; and a total lack of consultation with the 3.7 million people who currently live in the Arc. In its present form,. the Ox-Cam Arc should be scrapped.