This paper looks at how public officials decide where to invest in transportation to benefit society. They suggest using fair criteria for investments in different modes of transport, like roads or public transit. In the UK, road projects used to get better treatment than public transit, but now local government packages different transport schemes for approval and funding. Instead of just looking at costs and benefits, they also consider multiple factors when evaluating transport strategies. In Dublin, decisions are made based on judgment and agreement since there isn't a one-size-fits-all rule. The paper also talks about how private companies may prioritize profits over public needs, suggesting that private investments should align with public goals.