What does Watching the Roads reward?

Watching the Roads gives Roadwatcher's Confidence outright, 12s, 1,550 experience.

Where does Watching the Roads start?

It was picked up in Silverpine Forest.

The quest log lists it at level 20.

Yes. Its quest id is not in Classic Era, so it is part of what Forever adds.

World of Warcraft: Forever · quest · level 20 · new since Classic Era

A level 20 quest in World of Warcraft: Forever, offered by a creature in Silverpine Forest. Recorded by 5 players running the addon.

Giver and objectives show once a player with the addon accepts the quest.

Item	Given	Item level	Vendor sell
Roadwatcher's Confidence	outright	20

What does Watching the Roads reward?: Watching the Roads gives Roadwatcher's Confidence outright, 12s, 1,550 experience.
Where does Watching the Roads start?: It was picked up in Silverpine Forest.
What level is Watching the Roads?: The quest log lists it at level 20.
Is Watching the Roads new in WoW Forever?: Yes. Its quest id is not in Classic Era, so it is part of what Forever adds.

What sells at this level, and what to keep from these rewards, is in the level 10 to 20 gold guide.

Source: what players running the addon saw in the quest windows; the quest text itself stays in the game. Every quest seen · Silverpine Forest