DBA: Alliant Energy
Interstate Power & Light is an active interstate carrier based in Dubuque, IA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 657 | 0 | 0 |
| Trailers | 579 | 0 | 0 |
| Total Power Units | 657 | ||
Distinct vehicles · 24 mo
vs 657 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 33% | 81% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 100% | 97% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 67% | 86% | Around peer average |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 2 | — | 6.67% |
| Vehicle | 0 | 4 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Unsafe Driving | 16 | 5 | 0 |
| Vehicle Maintenance |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 17, 2026 | IA | STRAIGHT TRUCK | 1 | 0 |
| Nov 3, 2025 | IA | STRAIGHT TRUCK | 0 | 0 |
| Aug 26, 2025 | IA | STRAIGHT TRUCK | 1 | 1 |
| Aug 7, 2025 | IA | STRAIGHT TRUCK | 5 | 2 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 15 | 0.20 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 5 | 3.37 | — |
| Driver Fitness | 2 | 1.20 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state IA accounts for 100% of activity. Activity outside home state (IA): 0%.
| 8 |
| 1 |
| 3 |
| Driver Fitness | 3 | 2 | 2 |
| Jun 17, 2025 | IA | STRAIGHT TRUCK | 1 | 0 |
| Jun 11, 2025 | IA | STRAIGHT TRUCK | 2 | 0 |
| May 30, 2025 | IA | STRAIGHT TRUCK | 1 | 0 |
| May 27, 2025 | IA | STRAIGHT TRUCK | 3 | 1 |
| Apr 16, 2025 | IA | STRAIGHT TRUCK | 3 | 1 |
| Mar 21, 2025 | IA | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 17, 2026 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Aug 26, 2025 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| Aug 7, 2025 | 39216 | Failing to use seat belt while operating a CMV | Unsafe Driving | — |
| Aug 7, 2025 | 3928 | Failing to inspect/use emergency equipment | Vehicle Maintenance | — |
| Aug 7, 2025 | 393130B | Item not properly prepared for transport | Vehicle Maintenance | Yes |
| Aug 7, 2025 | 39343D | No or defective automatic trailer brake | Vehicle Maintenance | Yes |
| Aug 7, 2025 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Jun 17, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Jun 11, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Jun 11, 2025 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |