Need response for this comment! Assuming that public transit system refers to the metropolitan areas metro stations and trains, some requirements regarding the safe and efficient operation of the transit system are: Each metro train shall have a built-in emergency brake switch to decelerate the train within 3 minutes in the event of an unforeseen railway obstruction. Each train shall be capable of transporting 30 passengers over the span of 50 miles within 40 minutes. The metro station shall be capable of accommodating the population of commuters in its metropolitan area. The metro station shall be able to accommodate disabled commuters. The metro train control panel shall have tolerable levels of mental demand. Corresponding validation tests to determine if these requirements have been met are: Monthly testing of each trains capacity to decelerate within 3 minutes when prompted by the control panels emergency brake switch. Monthly testing of a random trains ability to meet the passenger, distance, and time benchmarks using 30 hired test passengers. A statistical analysis of average commuter wait times and train passenger densities based on recorded counts and user surveys. Inspection by the appropriate federal review board under the Americans with Disabilities Act. Surveying each train conductor with the Bedford Workload Scale operator demand and making sure that the rating is, at most, 3.