{ "source": "Cooked Index — occupational AI risk register", "page": "https://cookedindex.com/jobs/highway-maintenance-workers/", "methodology": "https://cookedindex.com/methodology", "notice": "Verdicts are re-examined as evidence accumulates. Re-fetch before relying on this; the page above always carries the current score.", "scored_at": "2026-08-11", "model": "claude-opus-5", "occupation": { "title": "Highway Maintenance Workers", "soc_code": "47-4051", "category": "Construction", "us_employment": 154960, "median_annual_wage": 50260 }, "verdict": "EXPOSED", "risk_resistance": 58, "contested": false, "near_boundary": false, "dimensions": { "task_resistance": 17, "embodiment": 19, "liability_shield": 6, "trust_premium": 7, "judgment_accountability": 9 }, "reasoning": { "task_resistance": "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": "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": "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": "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": "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." }, "rationale": "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.", "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.", "what_would_raise_it": { "levers": [ { "dimension": "liability_shield", "change": "State DOT and MUTCD-derived rules that require a certified Traffic Control Supervisor / ATSSA-certified person to personally sign and be present for temporary traffic control plans in active work zones — several states (e.g. Virginia's TCT/ATCS certification, Michigan's TSA requirement) already mandate a named certified individual on site. Extension of such named-signer requirements to routine maintenance operations, and to sign-off on any autonomous mowing or plow deployment in live traffic, would convert a thin certification into a personal-liability shield.", "plausibility": "plausible", "would_add": 5 }, { "dimension": "liability_shield", "change": "OSHA or FHWA rulemaking (or state law following work-zone fatality litigation) requiring a human safety officer to authorize the release of an autonomous mower/plow into a public right-of-way, with that person named in the incident record — analogous to the human-attendant requirements in current autonomous shuttle pilots.", "plausibility": "plausible", "would_add": 3 }, { "dimension": "judgment_accountability", "change": "Winter storm and emergency-response duty formally assigned to named crew leads: the call to close a lane, declare a road impassable, or divert traffic around a washout under incomplete information. Where state DOT operations manuals already vest closure authority in a supervisor on scene rather than a central TMC, that authority is consequential and auditable; broader codification (rather than TMC centralization) raises this.", "plausibility": "plausible", "would_add": 4 }, { "dimension": "task_resistance", "change": "Task-mix shift: this occupation genuinely has two tiers. If telematics, machine-vision pavement scanning and autonomous mowing absorb the routine repetitive tier (mowing runs, scheduled salt spreading, inspection logging), the residual job becomes non-repeatable one-off repair — storm damage, guardrail and cable-barrier crash repair, sinkholes, bridge-joint and drainage failures — which is harder to systematize. Score holds high or rises even as headcount falls.", "plausibility": "already happening", "would_add": 2 } ], "ceiling_note": "Every lever here protects the role's content, not its headcount. The binding constraint is that the buyer is a state DOT budget line: route optimization and autonomous equipment reduce crew size without ever needing to replace the judgment tier. There is no plausible route to a trust premium — no motorist chooses a pothole crew — so that dimension is omitted." }, "adjudication": null, "employment_history": { "points": [ { "y": 2017, "emp": 146580, "wage": 38700 }, { "y": 2018, "emp": 149260, "wage": 39690 }, { "y": 2019, "emp": 150860, "wage": 40730 }, { "y": 2020, "emp": 149890, "wage": 41660 }, { "y": 2021, "emp": 141150, "wage": 45880 }, { "y": 2022, "emp": 143330, "wage": 44930 }, { "y": 2023, "emp": 150860, "wage": 47360 }, { "y": 2024, "emp": 151750, "wage": 49070 }, { "y": 2025, "emp": 154960, "wage": 50260 } ], "from": 2017, "to": 2025, "change_pct": 5.7, "comparable_from": 2019, "spans_soc_revision": true }, "pivots": [ { "slug": "roofers", "title": "Roofers", "verdict": "SAFE", "risk_resistance": 70, "median_wage": 55440, "overlap": 74, "skills_to_close": [ "Operations Analysis", "Coordination" ] }, { "slug": "electrical-power-line-installers-and-repairers", "title": "Electrical Power-Line Installers and Repairers", "verdict": "SAFE", "risk_resistance": 68, "median_wage": 95320, "overlap": 73, "skills_to_close": [ "Installation", "Systems Analysis", "Systems Evaluation", "Management of Personnel Resources" ] }, { "slug": "riggers", "title": "Riggers", "verdict": "SAFE", "risk_resistance": 70, "median_wage": 62640, "overlap": 72, "skills_to_close": [ "Equipment Selection", "Operations Analysis", "Installation" ] } ], "license": "https://cookedindex.com/terms" }