"Skyway C25 was a skyway that ran from downtown Hill Valley to Hilldale in 2015, and designated vector twelve by air traffic control. It became jammed \u2014 or \"SKEWED ON\", to quote the SKYWAY CONDITION sign in Courthouse Square \u2014 on October 21."@en . "Skyway C25"@en . . "Skyway C25 was a skyway that ran from downtown Hill Valley to Hilldale in 2015, and designated vector twelve by air traffic control. It became jammed \u2014 or \"SKEWED ON\", to quote the SKYWAY CONDITION sign in Courthouse Square \u2014 on October 21."@en . .