Image: Bend Studio / PlayStationOfficial screenshot from Bend Studio / PlayStation.
NERO Checkpoints are abandoned federal quarantine camps you clear for the World's End storyline. There are 12, and each one you power up gives a NERO Injector, an Intel Recorder and a new fast travel point.
Cut or shoot the loudspeakers before you turn the power on, or they blare and draw Freakers. Then get the generator running with fuel, a new fuse or a reconnected cable, depending on the site.
With the power on, the NERO trailer opens. Inside are the NERO Injector, which raises Health, Stamina or Focus, and the Intel Recorder. Each injector is a permanent boost, so the checkpoints are some of the best upgrades in the game.
Each checkpoint pays Trust and credits to one nearby camp. Freakers, Marauders or Militia may be camped on the site, so clear them before you start on the generator.
Chemult Community College NERO Checkpoint
The Chemult Community College NERO Checkpoint is a Highway 97 checkpoint at the college's old refugee camp. It pays Diamond Lake and holds an injector, and the college also has an infestation and a 125-Swarmer Horde.
Horse Lake NERO Checkpoint
The Horse Lake NERO Checkpoint is a Cascade checkpoint tied to NERO's body trains. It pays Copeland's Camp and gives you a NERO Injector early in the game.
Iron Butte Pass NERO Checkpoint
The Iron Butte Pass NERO Checkpoint is a Belknap checkpoint south of Hot Springs, on the pass toward Ripper country. It pays Hot Springs and holds an injector you can grab early.
Little Bear NERO Checkpoint
The Little Bear NERO Checkpoint at Little Bear Lake in the Cascade is the first checkpoint you open. You do it during the story mission Bugged The Hell Out. It teaches the power-and-speakers routine and gives your first NERO Injector.