All Closures and Refurbishments at Disneyland Park or Downtown Disney in Disneyland during January and December of 2018

January 2018

Aug. 2015 - May. 31Disneyland Park : Disneyland ResortStar Wars: Galaxy's Edge The 14-acre Star Wars-themed land that was announced during the 2015 D23 EXPO opens at Disneyland on May 31.
Jan. 02 - Apr. 13Critter Country : Disneyland ParkSplash Mountain Closed for refurbishment
Jan. 08 - Jan. 18New Orleans Square : Disneyland ParkHaunted Mansion Closed for removal of holiday overlay.
Jan. 08 - Apr. 26Fantasyland : Disneyland ParkDumbo the Flying Elephant Closed for refurbishment, including queue relocation and construction of a shade structure
Jan. 08 - Late winter 2018Main Street, U.S.A. : Disneyland ParkReplacement of Main Street Trolley Tracks The trolley tracks will be completely replaced and new brickwork will be incorporated.
Jan. 08 - Mar. 15Main Street, U.S.A. : Disneyland ParkMain Street Vehicles Unavailable due to the trolley track replacement project.
Early 2018 - Fall 2018Downtown Disney : Downtown DisneyWorld of Disney During the lengthy re-imagining project, half of the store is closed while the other half remains open to guests. The initial remodeling phase of the western half of the store is complete and it has re-opened. The eastern half is now closed.
Jan. 22 - Feb. 01Fantasyland : Disneyland Park"it's a small world" Closed for removal of holiday overlay.

December 2018

Aug. 2015 - May. 31Disneyland Park : Disneyland ResortStar Wars: Galaxy's Edge The 14-acre Star Wars-themed land that was announced during the 2015 D23 EXPO opens at Disneyland on May 31.
May. 30 - No details availableDowntown Disney : Downtown DisneyDowntown Disney West End Closures The following Downtown Disney locations closed in preparation for the construction of a proposed new hotel which has since been canceled. No details on what might be going into the now available retail spaces.
 
AMC Theaters
ESPN Zone
Rainforest Cafe