Chicago is moving to make its Smart Streets camera-enforcement program permanent and expand it citywide after a downtown pilot produced nearly $4.5 million in fines for vehicles blocking bus lanes, bike lanes and bus stops. Cameras mounted on CTA buses and city vehicles document violations, allowing tickets to be issued without an enforcement officer standing on the street. City data show that roughly $2.6 million from those citations has actually been collected. Supporters argue that blocked lanes slow buses, force cyclists into traffic and make infrastructure ineffective even after taxpayers pay to build it. Critics of automated enforcement often focus on whether cameras become another revenue-generating system that disproportionately penalizes drivers. Chicago’s expansion pushes that debate into a broader question: if a city builds dedicated space for transit and bicycles but drivers routinely occupy it, how much enforcement is necessary before the infrastructure works as designed?