New York police have begun barricading Trump Tower as they prepare for President Trump’s surrender to authorities this week.

Roads around the Trump Tower and the Manhattan Criminal Courthouse have also been blocked off.

Police say the thorough preparations come following Trump’s call to supporters to “protest” and “take our nation back” in the event of his indictment.

New York Gov. Kathy Hochul offered to deploy the National Guard or other assets during Trump’s court appearance.

“The NYPD ensures thousands of events, including First Amendment activities, are condu …