Metropolitan Transit Authority of Harris County, Texas Home / Metropolitan Transit Authority of Harris County, Texas Share: TRANSPORTATION Metropolitan Transit Authority of Harris County, Texas Visit Website 1900 Main Street Houston, TX 77002 (713) 739-4081 (713) 758-9745 (fax) Visit Our Website Facebook Twitter About Map About METRO is an innovative regional transportation organization with dedicated employees that are committed to partnering with the public and private sectors to provide the safest, highest quality service What's Nearby? Distance: 5 10 15 20 25 50 mi.