How depot autonomy shows up in the numbers?
If you’re responsible for service reliability, staffing, or operating cost, the ROI question around autonomy is usually practical:
Can autonomy remove measurable friction from daily operations – and does that translate into capacity or cost you can bank?
Depot operations are a good place to answer that, because they are repetitive, structured, and easy to measure. The business-case logic is straightforward: reduce driver time and depot congestion spent on non-revenue movements, and quantify what that frees up for line operations.
To check your assumptions quickly, you can use the ROI Calculator →
The ROI equation
A first-pass model is:
“Recovered driver hours” means time no longer spent on depot movements like staging, repositioning, queueing, and parking – time that can be reallocated to line operations, resilience, or reduced overtime pressure (depending on how duties are structured).
What to include on the cost side: per bus vs per depot
Depot autonomy economics split into four buckets:
- One-time per-bus cost (autonomy capability on the vehicle)
- One-time per-depot cost (setup + commissioning)
- Recurring support cost (post-warranty, per bus-year)
- Operator incremental costs (training, change management, integration)
This split matters because per-depot items get diluted across the fleet, while per-bus items typically improve with volume.
SmartDEPOT™ pricing: how fleet size changes the unit economics
A single-bus deployment will not have the same unit economics as a scaled fleet. In SmartDEPOT, costs typically split into two components: the Autonomous Driving System (ADS), which is the on-vehicle autonomy package priced as a one-time cost per bus, and Mission Support, which covers fleet monitoring and operational support and is priced on a per bus-year basis (post-warranty). As volume increases, ADS hardware costs typically decline, and Mission Support overhead can be spread across a larger fleet, reducing the per-bus cost. The pricing tiers below reflect that reality.
Commercially, this is typically structured so that:
- During the warranty period: Mission Support is included in the smartbus acquisition cost.
- After warranty: it becomes a recurring annual support fee (per bus-year), decreasing with fleet size.
Deployment costs per depot – and why they become marginal at scale
One-time implementation cost of around €25,000 per depot include:
- Depot mapping
- Mission Control installation & commissioning
- Personnel training
This behaves like overhead: the more buses the depot serves, the smaller the per-bus share becomes. For example:
- 20 buses served by a depot – €25,000 ~= €1,250 per bus
- 50 buses – €500 per bus
- 100 buses – €250 per bus
This is one reason pilots often look “expensive per unit,” while scaled rollouts typically run under a different operating model – and a different cost base.
SmartDEPOT™ operator incremental costs
Most operators also incur internal, adoption-related effort, for example:
- Operational change management (SOPs, depot flow rules, dispatch logic)
- Training time and onboarding (drivers, depot staff, supervisors)
- Internal programme management (rollout coordination, KPI tracking)
- IT / integration effort (if applicable)
- Stakeholder engagement (H&S, unions/works councils, internal comms)
These are generally front-loaded and, like depot deployment, tend to amortise well as the fleet scales.
Additionally: three levers that can make payback faster
Even if recovered driver hours dominate the model, these factors can reduce the time to pay back the investment:
- CAPEX co-funding vs OPEX savings
- If part of the incremental CAPEX is covered through grants or co-funding, the operator’s upfront cash requirement drops while the operational savings remain.
- Improved depot infrastructure utilisation
- Depots are constrained systems (charging points, wash lanes, service bays, staging space). If flow improves, operators may see higher throughput and better fleet availability – sometimes without expanding footprint.
- Reduced depot collision costs
- Fewer minor incidents can reduce repair costs and downtime. Even small changes can matter when aggregated over vehicles and years.
A practical next step
Start with your own local inputs (fleet size, driver time spent on depot manoeuvres, labour cost) and check payback using the calculator: ROI Calculator →