The red sign commonly known throughout the former USSR as a “brick” it is just one white dash against a red background. That should be more than just cautionary, it means that it is for one way traffic only and that cars are not to go that way. They do anyway. Note also the billboard in the background that has a purple covering over it. I’m not sure which company didn’t pay their bills but you can see this sign all over Almaty with the purple cloth covering the original message. OR maybe it is meant to build curiosity once the unveiling occurs, maybe the first day of spring?