Fix grammatical errors in this sentence: However if we are to ban cars altogether we must first ensure at an adaquate public transports system been in place, the systems that we now have are far from perfect and for everyone relied solely on them as they are at this moment in time, then there would are chaos, they are already very overcrowded among peak times, unreliable and did not provide a comprehensive enough cover.
However if we are to ban cars altogether we must first ensure that an adequate public transport system is in place, the systems that we now have are far from perfect and if everyone relied solely on them as they are at this moment in time, then there would be chaos, they are already very overcrowded at peak times, unreliable and do not provide comprehensive enough cover.