Federal Transit Administration funds (Section 133) which may be used for public transportation capital improvements for buses and bus facilities; car and vanpool projects; fringe and corridor parking facilities; bicycle and pedestrian facilities; and intercity or intra-city bus terminals and bus facilities. These funds may also be used for surface transportation planning activities, wetland mitigation, transit research and development, environmental analysis, transit safety improvements, and most transportation control measures. STP funds are distributed among various population and programmatic categories within a state such as metropolitan planning areas containing urbanized areas over 200,000 in population, as well as funding set aside for areas under 200,000, and areas 50,000 and under in population.