Nigeria Transport & Logistics
Collection
A collection of Nigerian transport & logistics datasets. • 43 items • Updated
service_id stringlengths 11 11 | vehicle_id stringlengths 9 9 | fleet stringclasses 4
values | vehicle_type stringclasses 8
values | service_time stringdate 2024-10-11 21:53:45 2025-10-11 21:52:55 | odometer_km float64 2k 207k | work_type stringclasses 6
values | parts_list stringclasses 130
values | labor_hr float64 0.5 10.2 | cost_ngn float64 5k 284k | service_center_id stringclasses 199
values | scheduled bool 2
classes | warranty_claim bool 2
classes | next_due_km float64 3k 215k |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SV-00000000 | VH-004973 | NG-ColdChain-1 | reefer_truck | 2024-12-23 19:46:23 | 15,207.6 | oil_change | air_filter;rotor | 0.63 | 108,962 | SC-0107 | false | false | 18,553.4 |
SV-00000001 | VH-006659 | NG-BRT-Lagos | brt_bus | 2025-02-08 15:45:07 | 40,235.6 | coolant_flush | air_filter | 2.47 | 159,823 | SC-0023 | true | false | 46,586 |
SV-00000002 | VH-004386 | NG-ColdChain-1 | van | 2024-10-26 11:35:09 | 100,343.3 | oil_change | spark_plug | 3.07 | 39,154 | SC-0063 | true | false | 113,124.8 |
SV-00000003 | VH-002309 | NG-ColdChain-1 | van | 2025-01-18 13:06:06 | 78,481.3 | major_service | air_filter | 5.55 | 183,775 | SC-0026 | true | false | 83,087.8 |
SV-00000004 | VH-008386 | NG-Express-B | sedan | 2024-11-15 15:53:59 | 67,026 | coolant_flush | engine_oil;rotor | 4.57 | 54,094 | SC-0046 | false | false | 70,119.9 |
SV-00000005 | VH-000137 | NG-BRT-Lagos | brt_bus | 2024-11-20 19:04:58 | 9,489.6 | oil_change | brake_pads;engine_oil;oil_filter | 2.87 | 137,610 | SC-0093 | false | true | 16,903.3 |
SV-00000006 | VH-001538 | NG-BRT-Lagos | minibus | 2025-09-13 00:46:41 | 47,016.7 | major_service | air_filter;coolant | 4.93 | 75,278 | SC-0116 | true | false | 54,343 |
SV-00000007 | VH-000235 | NG-ColdChain-1 | van | 2025-01-18 01:15:22 | 54,285.2 | coolant_flush | 2.18 | 31,102 | SC-0025 | false | false | 62,484.5 | |
SV-00000008 | VH-002295 | NG-Express-B | motorcycle | 2025-09-04 00:29:54 | 13,678.3 | inspection | belt;coolant | 2.93 | 164,831 | SC-0020 | true | false | 24,029.8 |
SV-00000009 | VH-003041 | NG-Express-B | motorcycle | 2025-04-01 15:56:33 | 2,000 | brake_service | engine_oil | 1.14 | 35,575 | SC-0062 | true | false | 8,861.1 |
SV-00000010 | VH-001954 | NG-ColdChain-1 | van | 2025-02-10 10:14:45 | 36,386.3 | brake_service | air_filter | 2.98 | 135,583 | SC-0123 | false | false | 44,218.4 |
SV-00000011 | VH-008696 | NG-ColdChain-1 | van | 2025-08-18 03:26:04 | 104,877.9 | oil_change | air_filter;battery | 1.85 | 166,796 | SC-0073 | false | false | 116,778.7 |
SV-00000012 | VH-008122 | NG-BRT-Lagos | minibus | 2025-02-01 08:24:44 | 89,514.7 | coolant_flush | 3.59 | 41,593 | SC-0188 | true | false | 96,706 | |
SV-00000013 | VH-007185 | NG-Express-B | motorcycle | 2025-09-15 00:10:20 | 99,773.7 | major_service | battery | 4.62 | 169,593 | SC-0083 | false | true | 110,238.1 |
SV-00000014 | VH-006759 | NG-ColdChain-1 | van | 2025-05-20 11:30:51 | 49,930.9 | inspection | air_filter | 3.95 | 123,686 | SC-0092 | true | false | 59,268.7 |
SV-00000015 | VH-002963 | NG-Express-B | motorcycle | 2024-11-08 06:04:22 | 53,797.8 | oil_change | coolant | 1.46 | 65,627 | SC-0092 | false | false | 59,764.7 |
SV-00000016 | VH-005600 | NG-Express-B | motorcycle | 2024-10-22 10:22:58 | 43,527.2 | brake_service | 2.31 | 31,057 | SC-0151 | true | true | 52,934.4 | |
SV-00000017 | VH-007654 | NG-ColdChain-1 | reefer_truck | 2025-05-25 17:05:17 | 2,000 | major_service | oil_filter;rotor;spark_plug | 6.33 | 185,044 | SC-0039 | false | false | 8,204.1 |
SV-00000018 | VH-004438 | NG-BRT-Lagos | brt_bus | 2025-07-08 21:20:12 | 30,898.7 | brake_service | air_filter;coolant | 1.27 | 146,809 | SC-0065 | true | false | 39,504.3 |
SV-00000019 | VH-004103 | NG-Express-B | motorcycle | 2025-05-31 14:26:52 | 77,659.1 | major_service | rotor | 7.43 | 139,649 | SC-0133 | true | false | 87,376.2 |
SV-00000020 | VH-008301 | NG-Express-B | motorcycle | 2025-10-01 19:59:08 | 98,544 | inspection | 1.53 | 20,786 | SC-0198 | false | true | 102,564.9 | |
SV-00000021 | VH-002781 | NG-BRT-Lagos | minibus | 2025-08-07 10:30:11 | 27,812.4 | tire_rotation | 2.26 | 27,434 | SC-0061 | true | false | 38,633.9 | |
SV-00000022 | VH-008788 | NG-Express-B | sedan | 2024-11-30 02:22:13 | 18,768.6 | tire_rotation | air_filter;oil_filter;rotor | 3.46 | 52,868 | SC-0057 | true | false | 26,624.3 |
SV-00000023 | VH-005506 | NG-Logistics-A | articulated_truck | 2024-11-05 14:55:33 | 74,081.7 | inspection | air_filter;oil_filter;spark_plug | 2.77 | 52,443 | SC-0109 | true | false | 80,521.3 |
SV-00000024 | VH-005348 | NG-Logistics-A | articulated_truck | 2024-10-29 07:48:48 | 74,395.1 | tire_rotation | air_filter | 1.81 | 71,286 | SC-0120 | true | false | 78,714.1 |
SV-00000025 | VH-007221 | NG-ColdChain-1 | van | 2025-08-20 04:31:00 | 18,028.5 | coolant_flush | coolant | 1.81 | 83,724 | SC-0161 | true | false | 28,524.4 |
SV-00000026 | VH-007371 | NG-Express-B | van | 2024-12-28 02:10:01 | 104,680 | coolant_flush | rotor | 1.93 | 109,527 | SC-0015 | true | false | 114,746.2 |
SV-00000027 | VH-003345 | NG-Logistics-A | van | 2025-06-20 06:12:13 | 46,322.1 | oil_change | 3.19 | 36,442 | SC-0136 | false | false | 52,539.5 | |
SV-00000028 | VH-000010 | NG-Logistics-A | rigid_truck | 2025-03-17 01:17:51 | 41,197.6 | oil_change | belt;coolant | 3.23 | 173,407 | SC-0030 | true | false | 53,707.9 |
SV-00000029 | VH-000985 | NG-BRT-Lagos | minibus | 2024-12-26 02:48:26 | 65,417.7 | inspection | belt;coolant | 2.15 | 52,350 | SC-0085 | false | false | 74,933 |
SV-00000030 | VH-005624 | NG-Logistics-A | articulated_truck | 2025-05-19 21:34:01 | 68,141.6 | oil_change | rotor | 1.37 | 53,564 | SC-0091 | true | false | 79,400.2 |
SV-00000031 | VH-006499 | NG-ColdChain-1 | van | 2024-12-09 05:22:18 | 48,666.2 | brake_service | coolant;oil_filter | 2.34 | 87,401 | SC-0050 | true | false | 55,254.7 |
SV-00000032 | VH-004514 | NG-BRT-Lagos | minibus | 2025-02-12 21:08:20 | 67,357.1 | brake_service | brake_pads | 0.5 | 36,434 | SC-0123 | true | false | 78,148.2 |
SV-00000033 | VH-005242 | NG-Logistics-A | articulated_truck | 2025-03-02 01:04:05 | 14,082.1 | oil_change | battery;engine_oil | 1.69 | 95,747 | SC-0107 | true | false | 22,459.7 |
SV-00000034 | VH-000549 | NG-BRT-Lagos | minibus | 2024-11-30 06:08:04 | 74,466.2 | tire_rotation | 3.21 | 32,462 | SC-0012 | false | false | 82,023 | |
SV-00000035 | VH-003162 | NG-Express-B | sedan | 2024-11-26 15:17:29 | 21,555.6 | brake_service | 3.02 | 28,861 | SC-0148 | false | false | 27,189.2 | |
SV-00000036 | VH-003367 | NG-Logistics-A | van | 2025-05-11 04:04:53 | 54,974.2 | brake_service | oil_filter | 1.63 | 64,330 | SC-0195 | true | false | 63,109 |
SV-00000037 | VH-003468 | NG-ColdChain-1 | reefer_truck | 2025-01-09 15:48:52 | 2,000 | major_service | 5 | 47,051 | SC-0026 | false | false | 10,929.5 | |
SV-00000038 | VH-008204 | NG-Logistics-A | van | 2025-04-18 03:05:00 | 41,376.6 | tire_rotation | brake_pads | 1.49 | 92,636 | SC-0049 | true | false | 47,296.6 |
SV-00000039 | VH-007548 | NG-ColdChain-1 | van | 2025-02-07 18:38:09 | 2,000 | brake_service | air_filter | 1.05 | 155,070 | SC-0192 | true | false | 12,867 |
SV-00000040 | VH-000012 | NG-Logistics-A | rigid_truck | 2025-08-25 23:50:55 | 83,963.3 | coolant_flush | air_filter;belt | 1.28 | 27,985 | SC-0114 | true | false | 94,426 |
SV-00000041 | VH-005751 | NG-BRT-Lagos | minibus | 2025-10-02 12:50:04 | 2,000 | tire_rotation | engine_oil | 1.84 | 175,946 | SC-0146 | true | false | 7,390.8 |
SV-00000042 | VH-002153 | NG-Express-B | van | 2025-09-02 06:46:54 | 27,019.5 | inspection | 3.43 | 27,742 | SC-0141 | true | true | 35,768.1 | |
SV-00000043 | VH-001890 | NG-BRT-Lagos | minibus | 2024-11-29 04:27:30 | 2,169.4 | inspection | 0.59 | 6,268 | SC-0083 | true | false | 11,253.9 | |
SV-00000044 | VH-008249 | NG-Logistics-A | van | 2025-06-19 03:59:54 | 30,219.1 | major_service | spark_plug | 6.31 | 136,204 | SC-0128 | false | false | 35,456.1 |
SV-00000045 | VH-006065 | NG-Logistics-A | van | 2025-06-24 12:48:43 | 25,166.8 | coolant_flush | 0.5 | 5,000 | SC-0191 | true | false | 34,604.8 | |
SV-00000046 | VH-004800 | NG-ColdChain-1 | reefer_truck | 2025-02-19 03:06:38 | 58,266.5 | inspection | 3.53 | 46,325 | SC-0127 | true | false | 65,156.9 | |
SV-00000047 | VH-003427 | NG-Express-B | motorcycle | 2024-11-16 13:46:32 | 46,409.2 | brake_service | 0.53 | 6,386 | SC-0147 | true | false | 51,565.5 | |
SV-00000048 | VH-008096 | NG-BRT-Lagos | brt_bus | 2025-01-14 03:23:46 | 24,721.9 | major_service | 7.14 | 99,437 | SC-0171 | true | false | 28,081 | |
SV-00000049 | VH-002273 | NG-ColdChain-1 | reefer_truck | 2024-11-20 15:46:47 | 85,043.2 | tire_rotation | battery | 3.68 | 119,065 | SC-0045 | true | false | 91,171.8 |
SV-00000050 | VH-001369 | NG-Logistics-A | van | 2025-09-12 22:21:01 | 43,583.1 | tire_rotation | 3.04 | 41,600 | SC-0184 | false | false | 56,264.5 | |
SV-00000051 | VH-006313 | NG-ColdChain-1 | reefer_truck | 2025-05-12 11:14:09 | 102,528.9 | major_service | air_filter | 6.28 | 139,479 | SC-0016 | true | false | 110,220.3 |
SV-00000052 | VH-002664 | NG-ColdChain-1 | reefer_truck | 2024-12-31 16:14:26 | 90,558.1 | tire_rotation | battery | 1.33 | 98,771 | SC-0196 | false | false | 98,131.7 |
SV-00000053 | VH-005215 | NG-Express-B | sedan | 2025-04-16 11:01:16 | 63,446.8 | oil_change | battery | 1.66 | 109,532 | SC-0014 | true | false | 67,629.1 |
SV-00000054 | VH-004100 | NG-Express-B | motorcycle | 2024-11-03 00:15:27 | 93,132.3 | oil_change | engine_oil | 3.73 | 51,657 | SC-0177 | false | false | 103,372.4 |
SV-00000055 | VH-007294 | NG-ColdChain-1 | reefer_truck | 2025-08-14 19:07:26 | 93,958.3 | tire_rotation | air_filter | 4.04 | 185,354 | SC-0166 | false | false | 103,152.2 |
SV-00000056 | VH-005694 | NG-ColdChain-1 | reefer_truck | 2024-11-30 16:57:24 | 33,188 | brake_service | battery;oil_filter | 0.56 | 122,948 | SC-0079 | false | false | 46,690.7 |
SV-00000057 | VH-000108 | NG-BRT-Lagos | minibus | 2025-05-31 07:28:06 | 34,244.8 | inspection | 2.31 | 20,982 | SC-0181 | true | false | 44,325.4 | |
SV-00000058 | VH-004674 | NG-ColdChain-1 | reefer_truck | 2025-08-19 02:02:15 | 121,593.1 | inspection | battery | 1.18 | 159,575 | SC-0181 | true | false | 132,862.7 |
SV-00000059 | VH-001528 | NG-BRT-Lagos | minibus | 2025-05-02 16:15:22 | 82,012.5 | inspection | battery | 3.21 | 83,746 | SC-0149 | true | false | 88,149.5 |
SV-00000060 | VH-007100 | NG-Logistics-A | rigid_truck | 2024-11-09 15:48:54 | 83,757.1 | inspection | 2.88 | 38,810 | SC-0189 | false | false | 86,193.4 | |
SV-00000061 | VH-007405 | NG-BRT-Lagos | brt_bus | 2025-03-09 20:04:14 | 89,828.8 | inspection | belt;brake_pads;engine_oil | 2.92 | 185,963 | SC-0109 | false | false | 100,138.3 |
SV-00000062 | VH-001937 | NG-Express-B | van | 2025-09-02 08:11:31 | 66,427 | oil_change | 3.15 | 37,748 | SC-0086 | false | false | 75,983.4 | |
SV-00000063 | VH-001322 | NG-BRT-Lagos | minibus | 2025-05-21 17:06:52 | 29,972.9 | inspection | air_filter;coolant;rotor | 3.12 | 171,808 | SC-0148 | true | false | 38,133.4 |
SV-00000064 | VH-004770 | NG-Logistics-A | rigid_truck | 2025-09-16 05:33:15 | 83,891.4 | inspection | 4.85 | 46,088 | SC-0137 | true | false | 84,891.4 | |
SV-00000065 | VH-000724 | NG-ColdChain-1 | van | 2025-09-05 07:42:43 | 102,741.9 | tire_rotation | belt;coolant | 2.07 | 88,060 | SC-0003 | true | false | 114,103.9 |
SV-00000066 | VH-002283 | NG-BRT-Lagos | minibus | 2025-06-16 01:29:50 | 59,303.9 | inspection | rotor | 3.92 | 189,069 | SC-0045 | false | false | 62,290.4 |
SV-00000067 | VH-002401 | NG-Express-B | motorcycle | 2024-12-29 09:25:34 | 86,040.5 | oil_change | battery;coolant;oil_filter | 0.5 | 115,232 | SC-0110 | false | false | 91,414.9 |
SV-00000068 | VH-007982 | NG-Logistics-A | rigid_truck | 2025-05-17 05:01:35 | 47,174 | tire_rotation | battery;rotor | 3.21 | 170,951 | SC-0073 | true | false | 63,110 |
SV-00000069 | VH-002985 | NG-Express-B | van | 2024-11-15 22:10:59 | 10,534 | oil_change | battery;rotor | 1.29 | 37,197 | SC-0177 | true | false | 19,731.2 |
SV-00000070 | VH-004869 | NG-Logistics-A | articulated_truck | 2025-02-22 18:51:05 | 53,713.2 | tire_rotation | spark_plug | 2.95 | 95,237 | SC-0164 | true | false | 58,616.7 |
SV-00000071 | VH-002424 | NG-Logistics-A | van | 2025-05-23 03:57:21 | 75,688.7 | major_service | 6.25 | 77,032 | SC-0035 | true | false | 81,944.6 | |
SV-00000072 | VH-006082 | NG-ColdChain-1 | van | 2025-01-15 17:58:33 | 67,726.9 | brake_service | spark_plug | 2.07 | 122,858 | SC-0043 | false | false | 79,651.4 |
SV-00000073 | VH-008580 | NG-BRT-Lagos | minibus | 2025-03-17 10:23:32 | 68,951.9 | oil_change | coolant;oil_filter | 4.19 | 85,003 | SC-0176 | true | false | 75,129.2 |
SV-00000074 | VH-007808 | NG-Express-B | van | 2025-04-02 02:21:29 | 74,324.9 | tire_rotation | 4.2 | 52,758 | SC-0011 | true | false | 78,718.2 | |
SV-00000075 | VH-005217 | NG-Express-B | sedan | 2025-02-01 04:33:42 | 49,240.7 | brake_service | 3.02 | 41,130 | SC-0121 | true | false | 58,106.2 | |
SV-00000076 | VH-000884 | NG-Express-B | sedan | 2025-04-02 18:14:47 | 108,239 | inspection | belt;spark_plug | 2.28 | 85,177 | SC-0168 | true | false | 117,757.7 |
SV-00000077 | VH-005849 | NG-ColdChain-1 | reefer_truck | 2025-06-06 15:29:03 | 60,651.9 | oil_change | spark_plug | 2.88 | 119,410 | SC-0136 | true | false | 73,244.9 |
SV-00000078 | VH-007927 | NG-ColdChain-1 | van | 2024-12-08 06:32:30 | 70,598.9 | major_service | belt | 5.13 | 203,871 | SC-0137 | true | false | 78,667.6 |
SV-00000079 | VH-006179 | NG-ColdChain-1 | reefer_truck | 2025-03-03 08:46:17 | 120,180.5 | inspection | rotor | 2.9 | 50,714 | SC-0016 | true | false | 129,892.7 |
SV-00000080 | VH-007432 | NG-BRT-Lagos | brt_bus | 2025-01-10 18:47:56 | 95,256.6 | oil_change | 2.38 | 32,559 | SC-0124 | true | false | 106,780.5 | |
SV-00000081 | VH-001718 | NG-Express-B | motorcycle | 2025-07-30 17:54:00 | 61,701 | tire_rotation | 1.6 | 15,576 | SC-0107 | true | false | 66,017.1 | |
SV-00000082 | VH-008372 | NG-ColdChain-1 | reefer_truck | 2025-07-17 08:48:14 | 108,855.2 | oil_change | battery | 3.34 | 93,466 | SC-0092 | true | false | 116,804.3 |
SV-00000083 | VH-001054 | NG-BRT-Lagos | minibus | 2025-05-23 11:36:19 | 18,051.8 | tire_rotation | belt;coolant | 2.35 | 58,690 | SC-0183 | true | false | 29,952.4 |
SV-00000084 | VH-007475 | NG-ColdChain-1 | reefer_truck | 2025-03-10 22:22:42 | 3,572.6 | tire_rotation | engine_oil | 1.8 | 48,080 | SC-0119 | true | true | 13,454.2 |
SV-00000085 | VH-001484 | NG-Logistics-A | articulated_truck | 2025-02-21 22:52:16 | 75,015.2 | oil_change | 1.91 | 18,389 | SC-0013 | false | false | 84,494 | |
SV-00000086 | VH-002866 | NG-ColdChain-1 | reefer_truck | 2025-05-03 12:53:53 | 77,338.5 | tire_rotation | belt;rotor | 4.25 | 166,472 | SC-0033 | false | false | 86,727.3 |
SV-00000087 | VH-000159 | NG-Logistics-A | rigid_truck | 2025-02-23 02:04:55 | 68,203.5 | tire_rotation | coolant | 3.37 | 158,901 | SC-0116 | false | false | 77,300.1 |
SV-00000088 | VH-005751 | NG-BRT-Lagos | minibus | 2025-07-23 10:58:27 | 64,697 | brake_service | belt;brake_pads | 1.42 | 120,891 | SC-0125 | false | false | 69,052.2 |
SV-00000089 | VH-006925 | NG-Express-B | sedan | 2025-03-27 11:35:12 | 57,690.6 | major_service | brake_pads | 5.26 | 196,851 | SC-0166 | false | false | 68,137.4 |
SV-00000090 | VH-004128 | NG-BRT-Lagos | brt_bus | 2024-11-26 20:45:04 | 92,598.5 | major_service | air_filter | 6.78 | 117,235 | SC-0142 | true | false | 104,345.1 |
SV-00000091 | VH-008292 | NG-Express-B | sedan | 2025-03-20 11:18:49 | 53,078.6 | tire_rotation | oil_filter | 1.99 | 41,891 | SC-0154 | true | false | 58,945.2 |
SV-00000092 | VH-002324 | NG-BRT-Lagos | brt_bus | 2024-10-29 16:04:49 | 90,752.8 | oil_change | belt;engine_oil | 2.62 | 135,144 | SC-0197 | true | false | 92,187.5 |
SV-00000093 | VH-005576 | NG-Logistics-A | van | 2024-11-05 09:19:45 | 2,000 | tire_rotation | rotor | 1.9 | 93,588 | SC-0031 | true | false | 12,465.3 |
SV-00000094 | VH-007354 | NG-BRT-Lagos | minibus | 2025-01-23 15:32:15 | 30,555 | oil_change | belt;coolant | 1.11 | 115,303 | SC-0183 | false | false | 44,122.8 |
SV-00000095 | VH-006669 | NG-ColdChain-1 | van | 2025-03-24 19:40:56 | 23,267 | major_service | oil_filter;spark_plug | 5.62 | 194,486 | SC-0145 | true | false | 29,114.7 |
SV-00000096 | VH-007069 | NG-Express-B | motorcycle | 2025-09-23 12:49:34 | 36,951.3 | brake_service | belt | 1.9 | 41,704 | SC-0040 | true | false | 47,083.3 |
SV-00000097 | VH-006232 | NG-ColdChain-1 | reefer_truck | 2025-04-10 19:55:49 | 117,379.8 | inspection | engine_oil | 0.5 | 67,635 | SC-0011 | true | false | 122,922.3 |
SV-00000098 | VH-004927 | NG-Express-B | van | 2025-10-05 06:05:55 | 52,224 | tire_rotation | battery;rotor;spark_plug | 4.56 | 122,075 | SC-0116 | true | false | 55,690.2 |
SV-00000099 | VH-002406 | NG-ColdChain-1 | reefer_truck | 2025-05-01 19:37:46 | 25,577.4 | brake_service | rotor | 2.47 | 44,299 | SC-0106 | true | false | 32,046.9 |
# Nigeria Transport & Logistics – Maintenance & Repair Logs
Service history, parts replaced, labor hours, costs, scheduling, odometer.
- **[category]** Vehicle & Fleet Data
- **[rows]** ~120,000
- **[formats]** CSV + Parquet (snappy)
- **[geography]** Nigeria (major cities, corridors, ports, airports)
## Schema
| column | dtype |
|---|---| | service_id | object | | vehicle_id | object | | fleet | object | | vehicle_type | object | | service_time | object | | odometer_km | float64 | | work_type | object | | parts_list | object | | labor_hr | float64 | | cost_ngn | float64 | | service_center_id | object | | scheduled | bool | | warranty_claim | bool | | next_due_km | float64 |
## Usage
```python
import pandas as pd
df = pd.read_parquet('data/nigerian_transport_and_logistics_maintenance_logs/nigerian_transport_and_logistics_maintenance_logs.parquet')
df.head()
```
```python
from datasets import load_dataset
ds = load_dataset('electricsheepafrica/nigerian_transport_and_logistics_maintenance_logs')
ds
```
## Notes
- Nigeria-specific parameters (fleets, roads, traffic, fuel prices)
- Time-of-day traffic effects and seasonal impacts where applicable
- Physical plausibility checks embedded during generation