All Closures and Refurbishments at Buena Vista Street or Disney California Adventure in Disneyland during January and March of 2020, 2022 and 2024

January 2020

Mar. 19 - Opening 2020a bug's land : Disney California AdventureIt's Tough to be a Bug Closed March 19, 2018, to be replaced by the new Marvel Super Heroes area, opening in 2020.
Mar. 20 - Opening 2020a bug's land : Disney California AdventureMarvel Super Heroes-Themed Land The Guardians of the Galaxy will be joined by Spider-Man and the Avengers in what will become a completely immersive Super Hero universe. This new land, opening in 2020, will be anchored by the Guardians of the Galaxy - Mission: BREAKOUT!, in the adjacent space that is currently occupied by "a bug's land." "It's Tough to Be a Bug" closed March 19; the rest of the land will close September 5.
Sep. 05 - Permanent Closurea bug's land : Disney California AdventureBug's Land Closure "A bug's land", including Flik's Fun Fair, will be closing permanently starting September 5. The area will be re-imagined as Marvel Super Heroes land, opening in 2020.
Apr. 01 - Returning in 2020Buena Vista Street : Disney California AdventureRed Car Trolley Closed for refurbishment in preparation for the opening of the Marvel Super Heroes land. The Red Car Trolley will return sometime in 2020.

March 2020

Mar. 19 - Opening 2020a bug's land : Disney California AdventureIt's Tough to be a Bug Closed March 19, 2018, to be replaced by the new Marvel Super Heroes area, opening in 2020.
Mar. 20 - Opening 2020a bug's land : Disney California AdventureMarvel Super Heroes-Themed Land The Guardians of the Galaxy will be joined by Spider-Man and the Avengers in what will become a completely immersive Super Hero universe. This new land, opening in 2020, will be anchored by the Guardians of the Galaxy - Mission: BREAKOUT!, in the adjacent space that is currently occupied by "a bug's land." "It's Tough to Be a Bug" closed March 19; the rest of the land will close September 5.
Sep. 05 - Permanent Closurea bug's land : Disney California AdventureBug's Land Closure "A bug's land", including Flik's Fun Fair, will be closing permanently starting September 5. The area will be re-imagined as Marvel Super Heroes land, opening in 2020.
Apr. 01 - Returning in 2020Buena Vista Street : Disney California AdventureRed Car Trolley Closed for refurbishment in preparation for the opening of the Marvel Super Heroes land. The Red Car Trolley will return sometime in 2020.
February 24 expected - March expectedPixar Pier : Disney California AdventureJessie's Critter Carousel General refurbishment; details unknown

January 2022

Jan. 10 - Jan. 13Disney California Adventure : Disneyland ResortThe Little Mermaid: Ariel’s Undersea Adventure Disneyland's website does not list operating hours for The Little Mermaid: Ariel’s Undersea Adventure from Monday, January 10th through Thursday, January 13th, 2022.
Jan. 24 - Spring 2022Disney California Adventure : Disneyland ResortGrizzly River Run Grizzly River Run will close for refurbishment starting January 24, 2022. The attraction is projected to reopen sometime in spring 2022.

March 2022

Jan. 24 - Spring 2022Disney California Adventure : Disneyland ResortGrizzly River Run Grizzly River Run will close for refurbishment starting January 24, 2022. The attraction is projected to reopen sometime in spring 2022.

January 2024

January 8th - Feb 29thDisney California Adventure : Disneyland ResortGrizzly River Run Grizzly River Run is closing January 8th, 2024 and will reopen on February 29th.

March 2024

February 26th - March 2ndDisney California Adventure : Disneyland ResortRadiator Springs Racers Radiator Springs Racers will close for refurbishment on February 26th and will reopen on March 2nd.
March 4th - TBADisney California Adventure : Disneyland ResortIncrediCoaster The IncrediCoaster will be closing for a refurbishment on March 4th. A reopening date has not yet been announced.
March 4th - TBADisney California Adventure : Disneyland ResortRedwood Creek Challenge Trail The Redwood Creek Challenge Trail will close for refurbishment on March 4th, 2024. A reopening date has not been released, yet.