(Trent Nelson | The Salt Lake Tribune) Brighton on Saturday, Dec. 23, 2023.(Trent Nelson | The Salt Lake Tribune) Brighton on Saturday, Dec. 23, 2023.(Trent Nelson | The Salt Lake Tribune) Traffic at a standstill in Big Cottonwood Canyon on Saturday, Dec. 23, 2023.(Trent Nelson | The Salt Lake Tribune) Traffic at a standstill in Big Cottonwood Canyon on Saturday, Dec. 23, 2023.