Four short lines, no punctuation, no capital letters, and still the poem manages to turn a country walk into an argument. The speaker goes out looking for quiet and cannot find it, and the surprise is that the failure doesn't leave them sad or resigned. It leaves them angry. By the end the anger has outgrown the walk: "I rage more than ever in the mist."
The first couplet is a question that never gets its question mark: "where am I to look for quiet / and not see a road". Leaving the mark out makes it sound less like a real inquiry and more like a weary complaint, something said aloud to no one. The phrasing is odd, too. You listen for quiet, yet the speaker *looks* for it, as if silence were a landscape, a place you could point to. That small mixing of the senses suggests that for this speaker, quiet depends on what the eye can take in. A road is a sight that stands for a sound: engines, traffic, the hum of other people's destinations. The line break helps. "Quiet" ends the line and is briefly left alone, and then "and not see a road" arrives on the next line, as intrusive as the thing it describes.
The road is also more than noise. A road is a plan, a route from one place to another, evidence that someone has already decided where the land is for. Seeing one means seeing the world as organised for use. The title, "Roadless", names what the speaker wants, but it works like a wish and not like a report. Nothing in the poem says the speaker finds a roadless place. The title is the absence the poem keeps reaching for.
The second couplet moves from question to action: "walking the fields till dark". The setting is fields, not wilderness, so this is worked, open, half-tamed land. That may be part of the problem, since fields are already marked by human hands and a road is never far from them. "Till dark" suggests persistence, a speaker who keeps walking in the hope that quiet will turn up. Then the last line gives the opposite of calm. The walk was supposed to soothe, and it does the reverse.
The sound of the last line carries much of that anger. "Rage" echoes "road" in its opening r, which quietly links the anger to its cause. "More" and "mist" share an m, and "rage more" puts two heavy stresses side by side, so the line stumbles forward instead of gliding. It is also the longest line in the poem, about nine syllables against five, six and seven for the others, so the rage seems to overflow the small frame the poem has built. There is no rhyme to tidy things up, and with no full stop at the end, the feeling is left open.
The mist is the most interesting image. Read literally, it should help, since mist blurs the horizon and might hide any road. Yet the rage grows "more than ever" in it. One reading, which is an inference from the text and not a fact the poem states, is that the road is no longer only outside the speaker. Even where it can't be seen, the thought of it, and of everything it stands for, goes on. Mist can also stand for confusion, a world without clear direction. The title's "roadless" then takes on a second meaning: a place with no roads is also a place with no way through, and that may be exactly what makes the speaker furious.
What makes the poem worth reading is how much it leaves out. A conventional nature poem would have the walker rewarded with peace, and this one refuses. It admits that escape into the landscape doesn't always work, and that wanting quiet can sharpen our awareness of how little of it is left. In a few plain words, it says that the wish for a place untouched by roads is also a kind of grief, and that grief can easily turn into rage.