Checkpoint may refer to:

Places

Border checkpoint A border checkpoint is a location on an international border where travelers or goods are inspected and allowed (or denied) passage through. Authorization often is required to enter a country through its borders. Access-controlled borders ofte ...

, a place on the land border between two states where travellers and/or goods are inspected *

Security checkpoint Civilian checkpoints or security checkpoints are distinguishable from border or frontier checkpoints in that they are erected and enforced within contiguous areas under military or paramilitary control. Civilian checkpoints have been employed w ...

, erected and enforced within contiguous areas under military or paramilitary control * Random checkpoint, a police or military checkpoint that is moved to various locations *

Weigh station A weigh station is a checkpoint along a highway to inspect vehicular weights and safety compliance criteria. Usually, trucks and commercial vehicles are subject to the inspection. Weigh stations are equipped with truck scales, some of which are ...

, a highway checkpoint to inspect vehicular weights

Arts and entertainment

Checkpoint (G.I. Joe) This is an alphabetical list of '' G.I. Joe: A Real American Hero'' characters who are members of the G.I. Joe Team. For Cobra characters, see ''List of Cobra characters''. Ace Agent Faces Agent Faces is the G.I. Joe Team's infiltrator. Hi ...

, a fictional character in the G.I. Joe universe * Checkpoint (''Transformers''), two fictional characters in the ''Transformers'' universes * ''Checkpoint'' (novel), a 2004 novel by Nicholson Baker * ''Checkpoint'' (journal), 1969-1974 * ''Checkpoint'' (pinball), a 1991 pinball machine released by Data East *

Checkpoint (video gaming) A saved game (also called a game save, savegame, savefile, save point, or simply save) is a piece of digitally stored information about the progress of a player in a video game. From the earliest games in the 1970s onward, game platform hardw ...

, locations in a video game where a player character respawns after death * CheckPoint, a web series by sketch comedy group

LoadingReadyRun LoadingReadyRun, often abbreviated to LRR, is a Canadian entertainment group that produces video and audio comedy. It often covers video games, internet trends, and popular culture. Founded in October 2003 by Graham Stark and Paul Saunders a ...

Film and television

* ''Checkpoint'' (1956 film), a British crime drama film * ''Checkpoint'' (2003 film), a documentary on checkpoints in the Occupied West Bank * ''Checkpoint'' (Dutch TV show), a popular Dutch children's TV show * "Checkpoint" (''Buffy the Vampire Slayer''), a 2001 episode of the television series ''Buffy the Vampire Slayer''

Science and technology

* Counting point, a concept in logistics

Biology

Cell cycle checkpoint Cell cycle checkpoints are control mechanisms in the eukaryotic cell cycle which ensure its proper progression. Each checkpoint serves as a potential termination point along the cell cycle, during which the conditions of the cell are assessed, wi ...

, control mechanisms in eukaryotic cell division ** G1

restriction point The restriction point (R), also known as the Start or G1/S checkpoint, is a cell cycle checkpoint in the G1 phase, G1 phase of the animal cell cycle at which the cell becomes "committed" to the cell cycle, and after which extracellular cell signa ...

** S

postreplication checkpoint A postreplication checkpoint is a DNA damage checkpoint response that provides time for the repair of daughter-strand gaps generated by the eukaryotic replication fork at sites of DNA damage DNA repair is a collection of processes by which a c ...

, prevents cell cycle progression until postreplication repair **

G2-M DNA damage checkpoint The G2-M DNA damage checkpoint is an important cell cycle checkpoint in eukaryotic organisms that ensures that cells don't initiate mitosis until damaged or incompletely replicated DNA is sufficiently repaired. Cells with a defective G2-M checkpo ...

** M

spindle checkpoint The spindle checkpoint, also known as the metaphase-to-anaphase transition, the spindle assembly checkpoint (SAC), the metaphase checkpoint, or the mitotic checkpoint, is a cell cycle checkpoint during mitosis or meiosis that prevents the separa ...

, prevents anaphase onset until all chromosomes are properly attached to the spindle *

Immune checkpoint Immune checkpoints are regulators of the immune system. These pathways are crucial for self-tolerance, which prevents the immune system from attacking cells indiscriminately. However, some cancers can protect themselves from attack by stimula ...

Computing

Application checkpointing Checkpointing is a technique that provides fault tolerance for computing systems. It basically consists of saving a snapshot of the application's state, so that applications can restart from that point in case of failure. This is particularly im ...

, a method in computing whereby the state of a program is saved * Transaction checkpoint, for recovery in data management

Organisations

Checkpoint Systems Checkpoint Systems is an American company that specializes in loss prevention and merchandise visibility for retail companies. It makes products that allow retailers to check inventory, quicken the replenishment cycle, prevent out-of-stocks and ...

, a provider of merchandise availability solutions for the retail industry * Checkpoint (rapid HIV testing facility), a former HIV testing facility based in Amsterdam * Check Point, a software company that is best known for its firewall and VPN products * Checkpoint, a tax and accounting database produced by

Thomson Reuters Thomson Reuters Corporation ( ) is a Canadian multinational media conglomerate. The company was founded in Toronto, Ontario, Canada, where it is headquartered at the Bay Adelaide Centre. Thomson Reuters was created by the Thomson Corpora ...

Sports

Control point (orienteering) A control point (CP, also control and checkpoint) is a marked waypoint used in orienteering and related sports such as rogaining and adventure racing. It is located in the competition area; marked both on an orienteering map and in the terrai ...

or checkpoint, a marked waypoint used in orienteering and related sports * Racing checkpoint, a specific point partway through a

racing In sport, racing is a competition of speed, in which competitors try to complete a given task in the shortest amount of time. Typically this involves traversing some distance, but it can be any other task involving speed to reach a specific go ...

course where a contestant's subtotal time is recorded