← Risk register SOC 47-4051 · reviewed 2026-08-11

Highway Maintenance Workers

154,960 US workers · median $50,260/yr · Construction

EXPOSED

Patching potholes, plowing and salting roads, mowing shoulders, setting cones and flagging traffic, and repairing guardrails and signs are physical work in uncontrolled outdoor environments — almost nothing here is text or screen work an LLM can take. The exposure is not AI writing your job away; it is telematics-driven route optimization, automated plow/spreader control, machine-vision pavement inspection, and autonomous mowing trimming crew sizes and shifting the work toward equipment operation. The CDL and flagger certifications are real credentials but thin legal shields, and the buyer is a DOT budget line, not a client who pays for you personally.

10-year outlook: Headcount drifts down slowly as sensors, route software and semi-automated plow and mowing equipment let smaller crews cover the same lane-miles, but storm response, live-traffic repair and emergency callouts keep this a hands-on job through the 2030s.

Score — 58/100 resistance

Five dimensions, 0–20 each, summed. Higher means more protected. The arithmetic is shown so you can check it: 17 + 19 + 6 + 7 + 9 = 58.

Task resistance 17/20

Tasks largely resist digitisation. Cutting out a failed pavement edge, tamping hot mix in February rain, chainsawing a downed tree off a two-lane at 3 a.m., and re-tensioning a mangled W-beam guardrail are one-off, site-specific jobs where every hole is a different shape — the 17 rather than 20 reflects that plow routing, salt-rate spreading, and pavement-crack surveys are already being handed to GPS/telematics and camera systems, so parts of the shift are drifting toward monitoring equipment rather than swinging tools.

Embodiment 19/20

Hands-on in uncontrolled environments. You work inside live traffic on open right-of-way — kneeling in a lane behind a cone taper, riding a mower deck on a 3:1 slope, hanging off the back of a spreader in a whiteout — which is as uncontrolled as a worksite gets, and the 19 instead of 20 only acknowledges that a growing share of hours is spent seated in a cab.

Liability shield 6/20

Certification preferred, not legally required. A Class B CDL with air-brake and tanker endorsements plus a state flagger card are genuine gate-keepers on who can be dispatched, but neither makes you the person a court names when a work-zone crash happens — the DOT, the resident engineer who signed the traffic control plan, and the contractor's insurer absorb that, which is why this sits at 6 rather than up with licensed trades who stamp their own work.

Trust premium 7/20

Some relationship component. Nobody driving through your taper knows your name, and the work is bought by an agency budget or a low-bid contract rather than by repeat customers; the 7 comes from the foreman-and-crew side of it — supervisors who know who can be trusted alone with a loader at night, and county residents who call about a specific pothole and expect the same crew.

Judgment & accountability 9/20

Meaningful discretion. You decide whether a shoulder washout needs closing now or can hold until Monday, how much salt to lay before an ice event, and where to set the taper when a curve limits sight distance — real calls with real consequences, but they run inside the MUTCD Part 6, the state maintenance manual, and a supervisor's dispatch order, which caps this at 9 rather than the engineer-level ambiguity above 14.

Confidence: high · reviewed 2026-08-11 · how scoring works

Tasks already automatable

What survives

Active moats: embodiment, physical-presence, unionization

How to future-proof this job

Training paths for your skill gaps: Systems analysis & design partner link

Escape hatches — adjacent fields with better verdicts

Computed from U.S. Dept. of Labor O*NET skill profiles: high overlap with what you already do, materially higher resistance score.

Ship Engineers SAFE · 73/100 · you already have ~60% of the skill profile

Skills to close: Repairing, Equipment Maintenance, Systems Analysis, Equipment Selection

Captains, Mates, and Pilots of Water Vessels SAFE · 74/100 · you already have ~56% of the skill profile

Skills to close: Management of Material Resources, Management of Personnel Resources, Writing, Learning Strategies

Explosives Workers, Ordnance Handling Experts, and Blasters SAFE · 77/100 · you already have ~53% of the skill profile

Skills to close: Operations Analysis, Learning Strategies, Active Listening, Management of Personnel Resources

Field report — do you do this job?

Has AI actually changed your work?

Self-reported and unverified — a sentiment signal, not a survey. One response per person per occupation; you can change your answer.

From people who do this job

Nobody has filed one yet. If you do this work, you know things the rubric can't see.

What has actually changed in your work?

Concrete beats general: a tool that arrived, a task that moved, a headcount decision you watched happen. Don't include anything that identifies you or your employer if that would put you at risk.