Portal:U.S. roads/Did you know/June 2016

...that Washington State Route 520 is carried across Lake Washington on the world's longest floating bridge (pictured), which opened in 2016 to replace the previous title-holder at the same site?
...that Pennsylvania Route 901 was extended northwest from Minersville to Shamokin to provide a route for traffic to an interchange with I-81 northwest of Minersville?
...that the first limited-access road in California was the Ramona Parkway, which was constructed in 1935 in the city of Los Angeles along the current routing of I-10?
... that Interstate 97 is the shortest 2-digit mainline Interstate and only intracounty 2-digit Interstate in the contiguous United States?
...that both U.S. Route 191 and Interstate 15 (former U.S. Route 91) connect to highways numbered 4 in Canada?