Plan haul routes and workforce access with confidence. Compare scenarios by day, week, or phase. Download clean summaries that support approvals and safer streets.
| Scenario | Vehicles/day | Distance (mi) | Days | Round trip | Detour | Daily VMT (mi/day) | Total VMT (mi) |
|---|---|---|---|---|---|---|---|
| Haul + workforce | 120 | 6.50 | 90 | Yes | 5% | 1,638.00 | 147,420.00 |
| Peak concrete pour week | 180 | 4.25 | 7 | Yes | 10% | 1,683.00 | 11,781.00 |
| Delivery-only phase | 55 | 9.00 | 45 | No | 0% | 495.00 | 22,275.00 |
Example outputs assume adjustment, seasonal, and peak factors equal 1.00.
Daily VMT is estimated from traffic volume and route length:
Daily VMT = V x D x RT x (1 + Detour%/100) x Adj x Seasonal x Peak
Total VMT for the period:
Total VMT = Daily VMT x Days
Annualized VMT for comparisons:
Annualized VMT = Daily VMT x 365
Optional emissions estimate (if a CO2 factor is provided):
Total CO2 (kg) = Total VMT x EF(g/mi) / 1000
Vehicle miles traveled (VMT) is a practical way to quantify how much movement a construction phase adds to the road network. A clear VMT estimate supports haul-route planning, gate staffing, staging layouts, and off-site traffic coordination. When VMT is tracked by phase, teams can compare alternatives and justify operational choices with consistent metrics.
The largest drivers are vehicles per day and typical one-way distance. Round-trip selection doubles mileage for returning trips, while detour percentage captures closure routing, temporary access changes, or constrained turning movements. Use the adjustment factor to reflect known undercounts, shared rides, or split deliveries that alter the expected trip totals.
Seasonal and peak multipliers help model weather impacts, holiday schedules, or surge work such as concrete pours, major deliveries, or commissioning. By keeping all assumptions visible, the calculator helps stakeholders compare “base”, “peak”, and “mitigated” scenarios using the same structure. This supports approvals, mitigation selection, and transparent reporting.
VMT outputs can be used to estimate fuel use, schedule deliveries, and evaluate impacts on local streets. Exporting results creates a simple audit trail for meetings, submittals, and weekly look-aheads. If an emissions factor is available, a supplemental CO2 estimate can be produced for sustainability summaries and internal dashboards.
Confirm that distances reflect the approved haul route, not the shortest path. Verify whether vehicles truly return the same day and whether detours apply to all trips or only specific fleets. Re-run the estimate when routing, gate locations, or delivery windows change, and keep the exported files with the phase log.
Copy these values into the form to reproduce a realistic mid-size phase estimate.
| Scenario | Vehicles/day | Distance (mi, one-way) | Days | Round trip | Detour | Adjustment | Seasonal | Peak | CO2 (g/mi) |
|---|---|---|---|---|---|---|---|---|---|
| Utility corridor phase | 140 | 5.80 | 60 | Yes | 7% | 1.05 | 0.98 | 1.10 | 404 |
The CO2 factor is optional; remove it if not needed.
VMT is the total miles driven by all project-related vehicles over a period. It combines trip counts and travel distance, helping teams communicate traffic magnitude in a single, comparable number.
Include whichever fleets your study requires. Many plans track workers and deliveries together for an overall impact, then run separate scenarios for hauling or critical deliveries to support routing and staging decisions.
Choose round trip when vehicles typically travel to the site and return within the same day on a similar route. For one-way transfers, staging moves, or off-site disposal without a same-day return, use one-way.
Detour percentage increases distance to reflect closures, access restrictions, or required truck routes. Apply it when the detour affects most trips. If only some vehicles detour, consider a separate scenario for that fleet.
Use the adjustment factor to scale results for known counting bias or operational differences, such as shared rides, partial delivery days, or forecast conservatism. Keep it near 1.00 unless you have a clear reason.
Seasonal factor models gradual changes like weather or school schedules. Peak factor models short surges such as major pours or commissioning. Separating them keeps assumptions transparent and makes scenario comparisons easier.
If you enter a CO2 factor in grams per mile, the calculator multiplies it by total VMT and converts to kilograms. It is a screening estimate, not a substitute for a detailed fleet and fuel model.
Tip: Keep inputs consistent across scenarios for fair comparisons.
Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.