What’s open and what’s closed today for Columbus Day:• FEDERAL OFFICES AND COURTS: Closed today, one of 10 federal holidays.• STATE OFFICES: Open.• COUNTY OFFICES: Open.• MAIL: Most post offices closed. No home delivery except for Express Mail.• COLLEGES: Clark College and Washington State University open.• GARBAGE: Collection on regular schedule.• PUBLIC SCHOOLS: Open.• LIBRARIES: Open.• BUSES: C-Tran and TriMet on regular schedules.• DRIVER’S LICENSING: Open.• VEHICLE LICENSING: Open.• VEHICLE EMISSIONS: Test stations open.• CLARK PUBLIC UTILITIES: Offices open. For 24-hour customer service, call 360-992-3000. For outages or emergencies, call 360-992-8000.• BANKS: Most closed; some branches will be open. Check your bank for details.• FINANCIAL MARKETS: New York Stock Exchange, Nasdaq and other markets open.• THE COLUMBIAN: Offices open.