| Chapter 81.01. General provisions. |
| Chapter 81.04. Regulations—General. |
| Chapter 81.08. Securities. |
| Chapter 81.12. Transfers of property. |
| Chapter 81.16. Affiliated interests. |
| Chapter 81.20. Investigation of public service companies. |
| Chapter 81.24. Regulatory fees. |
| Chapter 81.28. Common carriers in general. |
| Chapter 81.29. Common carriers—Limitations on liability. |
| Chapter 81.36. Railroads—Corporate powers and duties. |
| Chapter 81.40. Railroads—Employee requirements and regulations. |
| Chapter 81.44. Common carriers—Equipment. |
| Chapter 81.48. Railroads—Operating requirements and regulations. |
| Chapter 81.52. Railroads—Rights-of-way—Spurs—Fences. |
| Chapter 81.53. Railroads—Crossings. |
| Chapter 81.54. Railroads—Inspection of industrial crossings. |
| Chapter 81.60. Railroads—Railroad police and regulations. |
| Chapter 81.61. Railroads—Passenger-carrying vehicles for employees. |
| Chapter 81.64. Street railways. |
| Chapter 81.66. Transportation for persons with special needs. |
| Chapter 81.68. Auto transportation companies. |
| Chapter 81.70. Passenger charter and excursion carriers. |
| Chapter 81.72. Taxicab companies. |
| Chapter 81.75. Transportation centers. |
| Chapter 81.77. Solid waste collection companies. |
| Chapter 81.80. Motor freight carriers. |
| Chapter 81.84. Commercial ferries. |
| Chapter 81.88. Gas and hazardous liquid pipelines. |
| Chapter 81.96. Western regional short-haul air transportation compact. |
| Chapter 81.100. High occupancy vehicle systems. |
| Chapter 81.104. High capacity transportation systems. |
| Chapter 81.108. Low-level radioactive waste sites. |
| Chapter 81.112. Regional transit authorities. |
| Chapter 81.900. Construction. |