On the following page, you will find a walkthrough description of the Reconnecting mission in Spider-Man Miles Morales. In this mission, Miles will meet his old friend Phin, unlock a new type of collectibles - time capsules - as well as fast travel via subway.
Location: Upper West Side
Rewards: 1500 XP
Go to the designated location and use the door to enter the roof of the building. After the cutscene, you will unlock the location of all time capsules scattered around the city and the subway fast travel. From now on, you will be able to move freely between your home and any subway station.