OP-2.2 transitions

In OP-2.2, most routes between locations are obtained during certain quests, or sometimes bought for money. Some transitions will be temporarily disabled during certain quests (e.g. route from Dark Valley to Dump during Get out of Dark Valley).
Here's the list of transitions and how to obtain them. (articles and interactive maps for each location have these as well).
From	To		Cordon	
Dump: accept Find documents of the military
Swamps: given for Protect the novices camp from the mercenaries (mission available after escaping Dark Valley in SoC storyline).
Darkscape: during Get out of Dark Valley.
Agroprom: given for Tricky stash (find the map for Guide in SoC storyline)	Agroprom	
Cordon: in a [ document] on the second floor of the research institute (military base).
Yantar: given for Rat race.
Cave: given for Mole's PDA.
Swamps: given after investigating the area indicated in the item "A piece of a map" after picking up the stash in The stash of Cross.	Dump	
Agroprom: accept Find documents of the military.
Dark Valley: accept Find the entrance to the laboratory (first visit to X-18 in SoC storyline).
Cave: accept Treasure hunter
Forgotten Forest: accept Inferno
Undiscovered Land:	Cave	
Dump: accept Miner's book, mission available immediately after coming to Cave.
Agroprom: accept Miner's book.
Labyrinth: accept Captivity.	Labyrinth	
Cave: speak to Fima the Charcoal (the captive in Labyrinth during Captivity).
Yantar: accept Soap for Fima.
Undiscovered Land: accept Safe cracker.	Bar	
Army Warehouses: given by Barkeep after finishing Find documents in the laboratory X-16, if you give him Kruglov's flash drive obtained in Escort Kruglov to Yantar.
Wild Territory: given by Barkeep after accepting Find documents in the laboratory X-16.
ATP: accept Disc for Adrenaline, available after escaping Dark Valley in SoC storyline.	Dark Valley	
Darkscape: during Get out of Dark Valley (after first visit to X-18 in SoC storyline).
Army Warehouses: given for Passage to the Dark Valley.
Radar: given for Classified data.
Forgotten Forest: given for Liquidation.
Undiscovered Land: given for Graybeard's pocket watch.	Darkscape	
Chernobyl-1: pick up commander's PDA after Descent to the Underworld.	Forgotten Forest	
Dump: accept Inferno.
Dark Valley: accept Inferno; the transition is temporarily inactive until accepting Find the documents in X-18 from Barkeep, and after talking to Fistful during Inferno.	Wild Territory	
Yantar: given for Escort Kruglov to Yantar in SoC storyline (opens after Kruglov walks into the transition).
Bar: given for Escort Kruglov to Yantar in SoC storyline (opens after Kruglov walks into the transition).
Army Warehouses: on Joker's body, during the fight at the [ mercenary outpost] in Army Warehouses, available at any time. Can be missed in certain conditions, see Missing expedition#Joker for details.	Swamps	
Ironworks: inside the secret bunker in Darkscape during Arc of Fire.
Agroprom: ???
Old Village: given during Kolmogor's sister.	Yantar	
Radar: in the document at the Radar, found near the scientists' bodies in the [ hole in the fence].
Agroprom: given for Documents for Sakharov.
Labyrinth: accept Carved casket.	Army Warehouses	
Radar: given by Barkeep after finishing Find documents in the laboratory X-16, if you give him Kruglov's flash drive obtained in Escort Kruglov to Yantar.
Wild Territory: on Joker's body, during the fight at the [ mercenary outpost] in Army Warehouses, available at any time. Can be missed in certain conditions, see Missing expedition#Joker for details.
Dark Valley: given for Passage to the Dark Valley
Construction Site: accept Combat
Undiscovered Land: given for Graybeard's pocket watch.	Radar	
Yantar: given for Attache case from the security checkpoint (bring the case from Cordon military checkpoint to Barkeep).
Army Warehouses: buy from Informant for 150000RU
Dark Valley: in a document inside a KUNG at the [ tunnel] at Radar, available at any time.
Warlab: accept Territory exploration	ATP	
Army Warehouses: given for Deal with the whistler.
Cordon: given for Search for artifacts.
Red Forest: accept Documents for Fang.
Dead City: in Stash at the Agroprom.	CNPP-1	
CNPP-2: given for Scrap metal.
Generators: after following Ghost at CNPP-1 during Route to the Generators.	Monolith Control Bunker	
CNPP-2: the door in C-Consciousness room is unlocked after giving Owl's note to Ghost after A Farewell Note
Dump: given after Report to Lightning.	CNPP-2	
CNPP-1: during Strelok's PDA, in a note near Wish Granter in Sarcophagus.
Sarcophagus: given for Golden chunk.	Sarcophagus	
X-10: after speaking with Freeman in Brain Scorcher building plan.
CNPP-1: after picking Strelok's PDA up. Portal must be activated by throwing a Goldfish onto the concrete slab where Strelok's note was found. One Goldfish can be found inside the Sarcophagus, in a breakable wooden crate.
CNPP-2: given for Golden chunk	X-10	
Sarcophagus: after speaking with Freeman in Brain Scorcher building plan.	X-16	
Warlab: accept Territory exploration	X-18	
Warlab: accept Artifacts for Klyonov	Central Pripyat	
Pripyat Dungeons: accept Stolen maps.
Eastern Pripyat: accept Making the liniment.
Old Village: given during Rescue Pilgrim.	Undiscovered Land	
Labyrinth: talk to Cyclop in Search for a floppy disc.	Eastern Pripyat	
Central Pripyat: given for Dimak's notebook.
X-8: access code is given for TV for Dimak.
Jupiter: accept Dimak's PDA.	Jupiter	
Pripyat-1 Underpass: given for Laptop for Aaz.
Zaton: PDA on the body of Major Assholov in Crumb the deal.
Eastern Pripyat: given for Collective trip.
X-17: during Access to X-17.
Scientific Station: given for Computer prowl.
Kurchatov-37: accept Tour of Kurchatov.	Kurchatov-37	
X-14: accept "Kurchatov trap".
Jupiter: given for "Kurchatov trap".	X-14	
Scientific Station: PDA on the body of Assistant Gumiljov.	Scientific Station	
Jupiter: given for Vernitsky's report.
Construction Site: given for Computer prowl.	Zaton	
Jupiter: given for Vengeance.	Pripyat-1 Underpass	
Eastern Pripyat: given for TV for Dimak.	X-8	
Pripyat-1 Underpass: given for TV for Dimak.	Warlab	
Army Warehouses: accept Stuffed pseudodog.
X-16: accept Disc for Panther.	Red Forest	
Warlab: after Sniper's duel, loot the body of the Last Day scout in the Devilish Encampment for a note; then look for a cave on the north from the broken tank. The transition unlocks as you enter it.	Limansk	
Generators: given for ???.
Dead City: first entrance in Portal in Limansk, permanently in Stash at the Agroprom.	Old Village	
Limansk: given for Inspection of the village.	Generators	
Hospital: given for Air alert.
Central Pripyat: given by Ghost after completing Extraction point.	Hospital	
Agroprom: given after Reviving Fly.	Dead City	
Yantar: in Stash at the Agroprom.
ATP: in Stash at the Agroprom.
Limansk: in Stash at the Agroprom.
Bunker D-6: triggers automatically as you travel through the sewers after Release.	Bunker D-6	
X-10: given automatically in the end of Bunker D-6 assault.
Category:OP-2.2 Overviews