No admission is needed to enter that area of the park, according to a Disneyland Resort Spokesperson. No rides will be open, and tickets and annual passes remain "on hold" during the park closure due to coronavirus.
This is purely a shopping and dining extension of Downtown Disney, a spokesperson for the resort tells Patch. The park has not yet scheduled an exact date for the reopening, just that it will be "sometime in November, 2020."
As of yet, there are not plans to reopen Main Street of Disneyland Resort, the spokesperson said.