require subways to have a contianed platforms like in tampa air port the doors will open only when if a train is present

Mass transportaions hubs are used by millions of people daily, It is a safe policy to contian a subway trains and prevent people from being pushed into the train or rails, I'm from new york city and if they can raise the rates for traveling on the train they can develope a platform that opens only when a train is present. this will prevent people from accidently falling into the train rails or as in recent events being pushed to their deaths. we need modernized platforms in our subways. a preventive mesure such as a trian platform that opens when a trian is presetn it in practice in tampa airport. it will save lives.