ISCO-08 8332
Heavy truck and lorry drivers
21.6%
ADI · 288th of 433 · 95% interval 8.9–35.1
An AI agent can at least partly carry out 21.6% of the task time of heavy truck and lorry drivers, and finish 3.4% alone. The barrier that holds most of the rest back is access to the systems the work runs on.
ADI · partial or full21.6%
288th of 433 · interval 8.9–35.1
ADI3 · full delegation3.4%
97th of 433 · interval 0.0–10.8
ADIs · share of time24.5%
277th of 433 · interval 16.0–33.2
Evidence70
task statements rated by two models and weighted by importance and frequency. World employment: 35.6 million.
Task weight by level
How the tasks rate
L0No meaningful role · 51.4%L1Augmentation · 27.0%L2Partial delegation · 18.3%L3Full delegation · 3.4%
Barriers
What stops the agent
Share of task weight flagged by each barrier; a task can carry several.
70 task statements, heaviest first
| Task statement (O*NET occupation) | Weight | Level | Sonnet · Haiku | Share | Human time | Barriers |
|---|---|---|---|---|---|---|
| Maintain logs of working hours or of vehicle service or repair status, following applicable state and federal regulations.Heavy and Tractor-Trailer Truck Drivers | 3.9% | L2 | L2L2 | 58% | 20 min | Physical presence, Accountability, Access to systems |
| Check vehicles to ensure that mechanical, safety, and emergency equipment is in good working order.Heavy and Tractor-Trailer Truck Drivers | 3.8% | L0 | L0L1 | 12% | 20 min | Physical presence, Accountability, Access to systems |
| Inspect loads to ensure that cargo is secure.Heavy and Tractor-Trailer Truck Drivers | 3.7% | L0 | L0L0 | 4% | 15 min | Physical presence, Accountability, Access to systems |
| Check all load-related documentation for completeness and accuracy.Heavy and Tractor-Trailer Truck Drivers | 3.7% | L1 | L1L2 | 48% | 15 min | Physical presence, Accountability, Access to systems |
| Maneuver trucks into loading or unloading positions, following signals from loading crew and checking that vehicle and loading equipment are properly positioned.Heavy and Tractor-Trailer Truck Drivers | 3.6% | L0 | L0L0 | 3% | 10 min | Physical presence, Accountability, Trust and care, Access to systems |
| Follow appropriate safety procedures for transporting dangerous goods.Heavy and Tractor-Trailer Truck Drivers · supplemental task | 3.6% | L1 | L1L2 | 25% | 45 min | Physical presence, Accountability, Access to systems |
| Obtain receipts or signatures for delivered goods and collect payment for services when required.Heavy and Tractor-Trailer Truck Drivers | 3.6% | L1 | L1L2 | 18% | 10 min | Physical presence, Trust and care, Access to systems |
| Drive trucks with capacities greater than 13 tons, including tractor-trailer combinations, to transport and deliver products, livestock, or other materials.Heavy and Tractor-Trailer Truck Drivers | 3.6% | L0 | L0L0 | 4% | 6.0 h | Physical presence, Accountability, Access to systems |
| Read bills of lading to determine assignment details.Heavy and Tractor-Trailer Truck Drivers | 3.6% | L2 | L2L3 | 78% | 6 min | Access to systems |
| Operate equipment, such as truck cab computers, CB radios, phones, or global positioning systems (GPS) equipment to exchange necessary information with bases, supervisors, or other drivers.Heavy and Tractor-Trailer Truck Drivers | 3.6% | L1 | L1L2 | 28% | 10 min | Physical presence, Access to systems |
| Secure cargo for transport, using ropes, blocks, chain, binders, or covers.Heavy and Tractor-Trailer Truck Drivers · supplemental task | 3.5% | L0 | L0L1 | 6% | 30 min | Physical presence, Accountability |
| Report vehicle defects, accidents, traffic violations, or damage to the vehicles.Heavy and Tractor-Trailer Truck Drivers | 3.4% | L1 | L1L2 | 38% | 18 min | Physical presence, Accountability, Access to systems |
| Crank trailer landing gear up or down to safely secure vehicles.Heavy and Tractor-Trailer Truck Drivers | 3.4% | L0 | L0L0 | 0% | 3 min | Physical presence, Accountability, Access to systems |
| Collect delivery instructions from appropriate sources, verifying instructions and routes.Heavy and Tractor-Trailer Truck Drivers | 3.4% | L2 | L2L2 | 58% | 25 min | Access to systems |
| Read and interpret maps to determine vehicle routes.Heavy and Tractor-Trailer Truck Drivers | 3.4% | L3 | L3L3 | 82% | 20 min | – |
Show the other 55 tasks
| Task statement (O*NET occupation) | Weight | Level | Sonnet · Haiku | Share | Human time | Barriers |
|---|---|---|---|---|---|---|
| Couple or uncouple trailers by changing trailer jack positions, connecting or disconnecting air or electrical lines, or manipulating fifth-wheel locks.Heavy and Tractor-Trailer Truck Drivers | 3.2% | L0 | L0L0 | 0% | 10 min | Physical presence, Accountability, Access to systems |
| Check conditions of trailers after contents have been unloaded to ensure that there has been no damage.Heavy and Tractor-Trailer Truck Drivers | 3.2% | L0 | L0L1 | 9% | 10 min | Physical presence |
| Plan or adjust routes based on changing conditions, using computer equipment, global positioning systems (GPS) equipment, or other navigation devices, to minimize fuel consumption and carbon emissions.Heavy and Tractor-Trailer Truck Drivers | 3.2% | L2 | L2L3 | 78% | 18 min | Access to systems |
| Perform basic vehicle maintenance tasks, such as adding oil, fuel, or radiator fluid, performing minor repairs, or washing trucks.Heavy and Tractor-Trailer Truck Drivers | 3.1% | L0 | L0L0 | 4% | 25 min | Physical presence, Access to systems |
| Inventory and inspect goods to be moved to determine quantities and conditions.Heavy and Tractor-Trailer Truck Drivers · supplemental task | 3.0% | L1 | L1L1 | 12% | 25 min | Physical presence, Accountability, Access to systems |
| Load or unload trucks or help others with loading or unloading, using special loading-related equipment or other equipment as necessary.Heavy and Tractor-Trailer Truck Drivers | 3.0% | L0 | L0L0 | 4% | 1.0 h | Physical presence, Access to systems |
| Drive trucks to weigh stations before and after loading and along routes in compliance with state regulations.Heavy and Tractor-Trailer Truck Drivers | 2.9% | L0 | L0L1 | 6% | 45 min | Physical presence, Accountability, Access to systems |
| Wrap and secure goods using pads, packing paper, containers, or straps.Heavy and Tractor-Trailer Truck Drivers · supplemental task | 2.9% | L0 | L0L0 | 4% | 25 min | Physical presence, Accountability |
| Operate idle reduction systems or auxiliary power systems to generate power from alternative sources, such as fuel cells, to reduce idling time, to heat or cool truck cabins, or to provide power for other equipment.Heavy and Tractor-Trailer Truck Drivers · supplemental task | 2.8% | L0 | L0L1 | 8% | 6 min | Physical presence, Access to systems |
| Follow special cargo-related procedures, such as checking refrigeration systems for frozen foods or providing food or water for livestock.Heavy and Tractor-Trailer Truck Drivers · supplemental task | 2.7% | L1 | L1L1 | 12% | 18 min | Physical presence, Accountability, Access to systems |
| Remove debris from loaded trailers.Heavy and Tractor-Trailer Truck Drivers | 2.6% | L0 | L0L0 | 1% | 18 min | Physical presence, Access to systems |
| Give directions to laborers who are packing goods and moving them onto trailers.Heavy and Tractor-Trailer Truck Drivers · supplemental task | 2.3% | L0 | L0L1 | 12% | 22 min | Physical presence, Trust and care, Access to systems |
| Install or remove special equipment, such as tire chains, grader blades, plow blades, or sanders.Heavy and Tractor-Trailer Truck Drivers · supplemental task | 1.8% | L0 | L0L0 | 2% | 25 min | Physical presence |
| Perform emergency roadside repairs, such as changing tires or installing light bulbs, tire chains, or spark plugs.Heavy and Tractor-Trailer Truck Drivers | 1.6% | L0 | L0L1 | 9% | 45 min | Physical presence |
| Enforce safety rules and regulations.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.3% | L1 | L1L2 | 25% | 45 min | Physical presence, Accountability, Trust and care, Access to systems |
| Confer with customers, supervisors, contractors, or other personnel to exchange information or to resolve problems.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.3% | L2 | L2L2 | 45% | 25 min | Trust and care, Access to systems |
| Resolve worker problems or collaborate with employees to assist in problem resolution.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.3% | L1 | L1L2 | 30% | 25 min | Physical presence, Trust and care, Access to systems |
| Plan work assignments and equipment allocations to meet transportation, operations or production goals.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.3% | L2 | L2L2 | 58% | 1.3 h | Access to systems |
| Review orders, production schedules, blueprints, or shipping or receiving notices to determine work sequences and material shipping dates, types, volumes, or destinations.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.3% | L2 | L2L2 | 65% | 45 min | Access to systems |
| Drive vehicles or operate machines or equipment to complete work assignments or to assist workers.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.3% | L0 | L0L0 | 2% | 3.0 h | Physical presence, Accountability, Access to systems |
| Interpret transportation or tariff regulations, shipping orders, safety regulations, or company policies and procedures for workers.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.3% | L2 | L2L2 | 60% | 32 min | Accountability, Trust and care |
| Examine, measure, or weigh cargo or materials to determine specific handling requirements.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.3% | L1 | L1L1 | 20% | 18 min | Physical presence, Accountability, Access to systems |
| Monitor field work to ensure proper performance and use of materials.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.3% | L1 | L1L2 | 32% | 1.3 h | Physical presence, Trust and care, Access to systems |
| Maintain or verify records of time, materials, expenditures, or crew activities.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.3% | L2 | L2L2 | 60% | 38 min | Accountability, Access to systems |
| Inspect or test materials, stock, vehicles, equipment, or facilities to ensure that they are safe, free of defects, and consistent with specifications.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.3% | L1 | L1L2 | 30% | 45 min | Physical presence, Accountability, Access to systems |
| Dispatch personnel and vehicles in response to telephone or radio reports of emergencies.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.2% | L2 | L2L2 | 48% | 8 min | Accountability, Access to systems |
| Compute or estimate cash, payroll, transportation, personnel, or storage requirements.First-Line Supervisors of Material-Moving Machine and Vehicle Operators · supplemental task | 0.2% | L2 | L2L2 | 68% | 1.3 h | Access to systems |
| Direct workers in transportation or related services, such as pumping, moving, storing, or loading or unloading of materials.First-Line Supervisors of Material-Moving Machine and Vehicle Operators · supplemental task | 0.2% | L1 | L1L2 | 32% | 2.3 h | Physical presence, Accountability, Trust and care, Access to systems |
| Assist workers in tasks, such as loading vehicles.First-Line Supervisors of Material-Moving Machine and Vehicle Operators · supplemental task | 0.2% | L0 | L0L2 | 19% | 30 min | Physical presence, Accountability, Trust and care, Access to systems |
| Plan and establish schedules.First-Line Supervisors of Material-Moving Machine and Vehicle Operators · supplemental task | 0.2% | L2 | L2L2 | 62% | 1.8 h | Access to systems |
| Requisition needed personnel, supplies, equipment, parts, or repair services.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.2% | L2 | L2L2 | 62% | 38 min | Access to systems |
| Explain and demonstrate work tasks to new workers or assign training tasks to experienced workers.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.2% | L1 | L1L2 | 28% | 1.3 h | Physical presence, Accountability, Trust and care, Access to systems |
| Perform or schedule repairs or preventive maintenance of vehicles or other equipment.First-Line Supervisors of Material-Moving Machine and Vehicle Operators · supplemental task | 0.2% | L2 | L2L2 | 42% | 1.3 h | Physical presence, Accountability, Access to systems |
| Prepare, compile, and submit reports on work activities, operations, production, or work-related accidents.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.2% | L2 | L2L2 | 68% | 52 min | Accountability, Access to systems |
| Recommend and implement measures to improve worker motivation, equipment performance, work methods, or customer services.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.2% | L2 | L2L2 | 45% | 3.3 h | Physical presence, Trust and care, Access to systems |
| Recommend or implement personnel actions, such as employee selection, evaluation, rewards, or disciplinary actions.First-Line Supervisors of Material-Moving Machine and Vehicle Operators | 0.2% | L2 | L2L2 | 55% | 1.5 h | Accountability, Trust and care, Access to systems |
| Inspect work areas or operating equipment to ensure conformance to established standards in areas such as cleanliness or maintenance.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L1 | L1L1 | 15% | 35 min | Physical presence, Accountability, Access to systems |
| Take disciplinary action to address performance problems.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L1 | L1L2 | 38% | 1.5 h | Accountability, Trust and care, Access to systems |
| Resolve customer complaints regarding worker performance or services rendered.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L2 | L2L2 | 52% | 35 min | Accountability, Trust and care, Access to systems |
| Requisition necessary supplies, equipment, or services.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L2 | L2L2 | 62% | 38 min | Access to systems |
| Recruit and hire staff members.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L2 | L2L2 | 58% | 6.0 h | Accountability, Trust and care, Access to systems |
| Recommend and implement measures to improve worker motivation, work methods, or customer services.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L1 | L1L2 | 42% | 3.5 h | Trust and care, Access to systems |
| Participate in continuing education to stay abreast of industry trends and developments.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L1 | L1L2 | 50% | 1.8 h | – |
| Observe and evaluate workers' appearance and performance to ensure quality service and compliance with specifications.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L1 | L1L1 | 22% | 1.0 h | Physical presence, Accountability, Trust and care, Access to systems |
| Meet with managers or other supervisors to stay informed of changes affecting operations.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L1 | L1L2 | 28% | 52 min | Physical presence, Trust and care, Access to systems |
| Explain and demonstrate work tasks to new workers or assign training tasks to experienced workers.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L1 | L1L2 | 32% | 1.0 h | Physical presence, Accountability, Trust and care |
| Inspect materials, stock, vehicles, equipment, or facilities to ensure that they are safe, free of defects, and consistent with specifications.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L1 | L1L1 | 20% | 45 min | Physical presence, Accountability, Access to systems |
| Inform workers about interests or special needs of specific groups.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L2 | L2L2 | 60% | 30 min | Trust and care, Access to systems |
| Enforce safety rules and regulations.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L1 | L1L2 | 30% | 1.0 h | Physical presence, Accountability, Trust and care, Access to systems |
| Direct or coordinate the activities of workers, such as flight or car attendants.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L1 | L1L2 | 30% | 4.5 h | Physical presence, Accountability, Trust and care, Access to systems |
| Confer with customers, supervisors, contractors, or other personnel to exchange information or to resolve problems.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L2 | L2L2 | 42% | 25 min | Physical presence, Trust and care, Access to systems |
| Compute or estimate cash, payroll, transportation, or personnel requirements.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L2 | L2L2 | 68% | 1.0 h | Access to systems |
| Apply customer feedback to service improvement efforts.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L2 | L2L2 | 58% | 2.0 h | Trust and care, Access to systems |
| Analyze and record personnel or operational data and write related activity reports.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L2 | L2L2 | 70% | 1.5 h | Access to systems |
| Train workers in proper operational procedures and functions and explain company policies.First-Line Supervisors of Passenger Attendants · supplemental task | 0.1% | L1 | L1L2 | 42% | 1.5 h | Physical presence, Accountability, Trust and care |
Level: consensus of the two models (the lower level when they disagree). Share: part of the task’s working time an agent could take over. Human time: minutes a competent person needs for one instance, as estimated by the models.
Against other measures
Exposure is not delegation
| Measure | Value | Percentile |
|---|---|---|
| ADI (this index) | 21.6% | 34 |
| Eloundou et al. (2024), GPT exposure β | 0.289 | 48 |
| Felten et al. (2021), AI occupational exposure | -0.98 | 22 |
| Webb (2020), AI patent exposure | 34.6 | 25 |
| Eisfeldt et al. (2026), generative AI exposure | 0.195 | 55 |
| Anthropic Economic Index, observed use | 0 | 16 |
Earlier indices measure whether AI can touch a task; ADI measures how much of it an agent can carry out from a goal. – : the source does not cover this occupation.
Same sub-major group (83)
Neighbouring occupations
| Occupation | ADI | % |
|---|---|---|
| Motorcycle drivers 8321 | 39.2 | |
| Railway brake, signal and switch operators 8312 | 23.1 | |
| Bus and tram drivers 8331 | 14.1 | |
| Crane, hoist and related plant operators 8343 | 13.1 | |
| Car, taxi and van drivers 8322 | 12.6 | |
| Mobile farm and forestry plant operators 8341 | 11.8 | |
| Locomotive engine drivers 8311 | 9.8 | |
| Ships’ deck crews and related workers 8350 | 5.7 | |
| Lifting truck operators 8344 | 4.2 | |
| Earthmoving and related plant operators 8342 | 1.8 |
Dashed line: heavy truck and lorry drivers (21.6%).
Cite this record
Text
Espinal Maya, Cristian, and Santiago Jiménez Londoño. 2026. ADI v2026.1: Agent Delegability Index data, code and MCP server. Zenodo. https://doi.org/10.5281/zenodo.23552918. Record: Heavy truck and lorry drivers (ISCO-08 8332), https://balamlabs.org/adi/occupations/8332
BibTeX
@misc{espinal2026adidata,
title = {{ADI} v2026.1: Agent Delegability Index data, code and {MCP} server},
author = {Espinal Maya, Cristian and Jim{\'e}nez Londo{\~n}o, Santiago},
year = {2026},
publisher = {Zenodo},
version = {v2026.1},
doi = {10.5281/zenodo.23552918},
url = {https://doi.org/10.5281/zenodo.23552918},
note = {Record: Heavy truck and lorry drivers (ISCO-08 8332)}
}Machine-readable
The same record as static JSON, with its citation: /adi/v2026.1/isco/8332.json.