Jobs, travel, national parks - what impact will US shutdown have?

The US federal government shutdown due to a budget standoff will impact travel, national parks, and federal workers. Air travel delays are expected, with unpaid air traffic controllers causing potential disruptions. Federal workers, including National Park staff, face unpaid leave, impacting services. Travelers may experience delays in processing travel documents, while health programs like Medicare and food assistance programs may suffer staffing shortages and funding issues.