Good morning on this frosty Friday.

In addition to the start of a new year and a clean slate, this weekend marks a milestone nearly a century in the making: the opening of the Second Avenue subway line.

Here’s what to expect over the next few days.

Today

No movement, yet. But while you wait, some suggested reading to get you up to speed:

Explore the long history of this subway line, which the city first started planning in the 1920s, or learn about how its opening may affect rent in the area.

You can also take a peek at the eye-opening contemporary art you’ll see along the new route.

Saturday, Dec. 31

An inaugural New Year’s Eve ride with Gov. Andrew M. Cuomo and the Metropolitan Transportation Authority’s chairman, Thomas F. Prendergast. They’ll be joined that evening for a cocktail-attire event attended by some 500 people who have contributed to the project over many decades.