Mitigate: Mitigate refers to taking actions to minimize or prevent the impact of a problem. For example, using technology to optimize traffic flow can mitigate congestion on roads during peak hours.
Efficiency: Efficiency refers to achieving maximum productivity with minimum wasted effort or resources. In the context of public transportation, improving efficiency might involve implementing better scheduling systems or utilizing larger capacity vehicles.
Infrastructure: Infrastructure refers to the basic physical structures and facilities needed for the operation of a society. Building additional bus lanes or expanding subway lines are examples of infrastructure improvements that can alleviate strain on public transportation systems.