| Year | Description | Statewide | Baton Rouge (BR) | New Orleans (NO) |
| 2016 | No. of TMCs | 322 | 94 | 117 |
| Total mileage | 210.42 | 69.87 | 63.62 | |
| % of Interstate Sys. | 11.18% | 3.71% | 3.38% | |
| 2017 | No. of TMCs | 284 | 83 | 117 |
| Total mileage | 196.92 | 65.58 | 59.97 | |
| % of Interstate Sys. | 10.46% | 3.48% | 3.19% | |
| 2018 | No. of TMCs | 308 | 88 | 123 |
| Total mileage | 203.68 | 66.95 | 60.21 | |
| % of Interstate Sys. | 10.82% | 3.56% | 3.20% | |
| 2019 | No. of TMCs | 305 | 80 | 133 |
| Total mileage | 187.99 | 52.74 | 64.39 | |
| % of Interstate Sys. | 9.99% | 2.80% | 3.42% | |
| 2020 | No. of TMCs | 262 | 75 | 111 |
| Total mileage | 144.20 | 40.30 | 44.64 | |
| % of Interstate Sys. | 7.66% | 2.14% | 2.37% | |
| 2021 | No. of TMCs | 280 | 78 | 121 |
| Total mileage | 172.64 | 45.72 | 61.87 | |
| % of Interstate Sys. | 9.17% | 2.43% | 3.29% | |
| 2022 | No. of TMCs | 259 | 73 | 127 |
| Total mileage | 163.47 | 51.81 | 65.80 | |
| % of Interstate Sys. | 8.69% | 2.75% | 3.50% |