Portal:U.S. roads/Did you know/September 2019

Sign for US 20 at Kenmore Square, near the Boston Citgo sign

...there is a sign (pictured) at the terminus of U.S. Route 20 in Boston, Massachusetts listing the distance to Newport, Oregon?
... that there is a 137 mile span in the Sierra Nevada mountains with no road crossings? Excluding non-through and seasonally closed roads, there is an over 200 mile gap with no highway crossings between Walker Pass along California State Route 178 and Carson Pass along California State Route 88?
... that the name of the Saginaw Trail in Michigan comes from the Ojibwe word for "where the Sauk were"?
... that after the September 11 attacks, a seldom-staffed temporary border patrol checkpoint was installed on Interstate 91 near White River Junction, Vermont, about 100 miles (160 km) from the Canadian border?
... that a section of U.S. Route 97 Alternate in central Washington state was rebuilt on higher ground in the 1950s to prevent inundation from a new hydroelectric dam?