CEDAR RAPIDS — Public transit in the greater Cedar Rapids area will be put under the microscope to decide what adjustments can be made to serve more people by bus.More frequent stops, remapping routes, Sunday service, expansion in Robins, Marion and Ely, better bus stop amenities and coordination with expected new Cedar Rapids-to-Iowa City express bus and park and rides will all be considered.“The impetus for the study is a fresh look at the transit system,” said Brandon Whyte, multimodal planner for the Corridor Metropolitan Planning Organization.