When most fleet managers hear “roadside emergency,” they quickly visualize a stranded vehicle, driver, and a tow heading to the scene. Typically, these are treated as isolated incidents fleet managers want to put behind them as quickly as possible: resolve the issue, close the ticket, and move on.
By doing so, and not analyzing the data to see what went wrong, you set yourself up for future failure. Every roadside call generates data, such as failure codes, asset history, location, repair category, inspection records, vendor information, and driver reporting. When used correctly, they can be powerful predictive tools for fleets to protect uptime.
This starts with connected telematics and strong data aggregation, which enable fleets to analyze breakdown trends across assets, regions, vendors, and drivers. These provide valuable insights that can reveal the cause of breakdowns to prevent more down the road.
Roadside as a predictive signal
Some vehicle elements already lend themselves to prediction, especially when analyzed regularly and collectively. Low oil pressure alerts, battery voltage trends, and chronic underinflation provide measurable signals before failure. Seasonal battery spikes and idle-related diesel particulate filter (DPF) issues aren’t a surprise; they’re patterns.
While not every failure category has robust sensor data yet, the direction is clear: predictive maintenance is shifting from reacting to fault codes to recognizing early symptoms across large datasets. The question for fleets isn’t whether predictive capability will improve; it’s whether they’re positioned to leverage it.
What roadside data reveals
When analyzed consistently, roadside data reveals far more than mechanical failure. It exposes gaps when breakdowns align with missed preventive maintenance (PM) intervals. It highlights inspection quality when repeat failures trace back to incomplete checks. It surfaces vendor performance issues when similar repairs reoccur in specific regions. The data can also shed light on driver behavior, identifying whether certain routes, duty cycles, or idling habits correlate with higher incident rates.
Consider tire health. Inner dual tires often go unchecked because they require extra effort to inspect. A slow leak may go unnoticed until it becomes a $2,000 roadside event. A more predictive fleet could have solved the issue with a $50 adjustment during a scheduled PM.
Battery failures, DPF clogging tied to excessive idling, and preventable tire events consistently rank among the most common roadside calls. In many cases, the warning signs appear weeks in advance, offering opportunity to fix and correct—if fleets connect inspection discipline with trend data.
Standardized coding systems such as vehicle maintenance reporting standards (VMRS) are critical here. Without consistent categorization, patterns remain hidden and benchmarking becomes unreliable.
The cost of waiting
The gap between early intervention and roadside failure is significant. A modest preventative maintenance addition may cost a few hundred dollars, whereas a roadside breakdown can easily reach $1,500 to $3,000 (and in some cases beyond) once towing, emergency labor rates, lost productivity, and customer disruption are factored in.
Beyond direct repair costs, breakdowns disrupt delivery schedules, strain driver morale, and erode customer confidence. Just one preventable roadside event can ripple across the operation and bottom line. Imagine that level of financial strain within a fleet of 200 vehicles.
Fleets operating with structured maintenance oversight programs often reduce repeat failure categories through data visibility and accountability. Those without standardized review processes tend to see costs escalate due to inconsistent documentation and reactive repair decisions.
From data to action
Collecting data is no longer the challenge. Acting on it is.
Fleets that successfully operationalize roadside insights start by contextualizing trends. Is a spike tied to a specific region, asset class, vendor, or duty cycle? Managers should align preventive maintenance checklists with real-world failure data, ensuring inspections address the issues occurring most often.
Auditing DVIRs and comparing preventative maintenance findings against roadside outcomes helps fleet managers close another loop between disparate data sets. When inspection data and breakdown data are reviewed together, driver accountability improves—and repeat events decline.
Most importantly, data must be translated into clear dashboards maintenance leaders can use in operational and budget conversations. Actionable KPIs, such as number of roadside events, repeat failure rates by category, preventative maintenance compliance, and average cost per event, will drive meaningful change.
For example, these KPIs can reveal if driver behavior is the issue. Thorough pre- and post-trip inspections, understanding early warning signs, and recognizing the operational cost of downtime all influence outcomes. If an extra three or four minutes spent on a proper DVIR prevents one roadside event, the ROI becomes substantial. When drivers understand this—and how breakdowns affect schedules, customers, and their own productivity—inspection quality improves.
The most successful fleets won’t just collect roadside data—they’ll treat it as a strategic asset with clear ownership, defined KPIs, and accountability tied directly to uptime. Still, fleet data volume will continue to grow faster than human analysis alone can manage.
Fleets that leverage AI within their maintenance programs will find easier ways to manage the volume of data by alerting to repeat patterns, identifying high-risk assets, and surfacing anomalies across regions and vendors.
Over time, using AI tools can support more proactive risk identification, whether through asset-level tracking, trend alerts, or improved inspection alignment. These tools won’t eliminate every failure, and they won’t replace sound maintenance fundamentals. But they can help maintenance teams prioritize attention where it matters most.
About the Author

Mike Hagaman
With more than 30 years of experience in the fleet and maintenance industry, Mike Hagaman works to help clients move more safely and efficiently across America. As senior manager of client relationship management for Cox Fleet, Hagaman analyzes customer collected data to deliver key insights that drive uptime, reduce roadside events and lower total cost of ownership.
