| Chapter 5501. DEPARTMENT OF TRANSPORTATION |
| Chapter 5502. DEPARTMENT OF PUBLIC SAFETY |
| Chapter 5503. STATE HIGHWAY PATROL |
| Chapter 5505. HIGHWAY PATROL RETIREMENT SYSTEM |
| Chapter 5507. EMERGENCY TELEPHONE NUMBER SYSTEM |
| Chapter 5511. STATE HIGHWAY SYSTEM |
| Chapter 5512. TRANSPORTATION REVIEW ADVISORY COUNCIL |
| Chapter 5513. MATERIALS - PURCHASE; SALE; EXCHANGE |
| Chapter 5515. STATE HIGHWAYS - USE; OBSTRUCTION |
| Chapter 5516. ADVERTISING ON INTERSTATE HIGHWAYS |
| Chapter 5517. PROPOSED PROJECTS - MAINTENANCE; REPAIR |
| Chapter 5519. APPROPRIATION OF PROPERTY |
| Chapter 5520. RELOCATION ALLOWANCES [Repealed] |
| Chapter 5521. MUNICIPAL AND COUNTY COOPERATION |
| Chapter 5523. GRADE CROSSINGS |
| Chapter 5524. DEVICES AT RAILROAD CROSSINGS [Repealed] |
| Chapter 5525. CONSTRUCTION CONTRACTS |
| Chapter 5526. CONTRACTS FOR PROFESSIONAL SERVICES |
| Chapter 5527. STATE HIGHWAY CONSTRUCTION FUND |
| Chapter 5528. STATE HIGHWAY BONDS |
| Chapter 5529. ROADSIDE IMPROVEMENTS |
| Chapter 5531. FEDERAL COOPERATION |
| Chapter 5533. MEMORIAL HIGHWAYS |
| Chapter 5534. MEMORIAL HIGHWAYS |
| Chapter 5535. TYPES OF HIGHWAYS |
| Chapter 5537. OHIO TURNPIKE AND INFRASTRUCTURE COMMISSION |
| Chapter 5538. PARKING LOT COMMISSIONS [Repealed] |
| Chapter 5540. TRANSPORTATION IMPROVEMENT DISTRICTS |
| Chapter 5541. COUNTY HIGHWAY SYSTEM |
| Chapter 5543. DUTIES OF COUNTY ENGINEER |
| Chapter 5545. HIGHWAY IMPROVEMENT COMMISSIONS |
| Chapter 5547. COUNTY HIGHWAYS - USE; OBSTRUCTION |
| Chapter 5549. PURCHASE OF MACHINERY AND EQUIPMENT |
| Chapter 5551. ACQUISITION OF RAILWAY RIGHT OF WAY |
| Chapter 5552. ROAD ACCESS MANAGEMENT |
| Chapter 5553. COUNTY ROADS - ESTABLISHMENT; ALTERATION; VACATION |
| Chapter 5555. COUNTY ROAD IMPROVEMENT |
| Chapter 5557. MUNICIPAL ROAD IMPROVEMENT |
| Chapter 5559. PLATTED TERRITORY ROAD IMPROVEMENT |
| Chapter 5561. COUNTY ROAD GRADE CROSSINGS |
| Chapter 5563. APPEALS IN COUNTY ROAD CASES |
| Chapter 5571. BOARD OF TOWNSHIP TRUSTEES |
| Chapter 5573. TOWNSHIP ROAD IMPROVEMENT |
| Chapter 5575. MAINTENANCE AND REPAIR - CONTRACT; FORCE ACCOUNT |
| Chapter 5577. LOAD LIMITS ON HIGHWAYS |
| Chapter 5579. GENERAL HIGHWAY PROVISIONS |
| Chapter 5589. OFFENSES RELATING TO HIGHWAYS |
| Chapter 5591. COUNTY BRIDGES |
| Chapter 5593. BRIDGE COMMISSIONS |
| Chapter 5595. REGIONAL TRANSPORTATION IMPROVEMENT PROJECTS |