Title 55 - ROADS-HIGHWAYS-BRIDGES
- Chapter 5501 - DEPARTMENT OF TRANSPORTATION (§§ 5501.01 — 5501.91)
- Chapter 5502 - DEPARTMENT OF PUBLIC SAFETY (§§ 5502.01 — 5502.99)
- Chapter 5503 - STATE HIGHWAY PATROL (§§ 5503.01 — 5503.34)
- Chapter 5505 - HIGHWAY PATROL RETIREMENT SYSTEM (§§ 5505.01 — 5505.99)
- Chapter 5507 - EMERGENCY TELEPHONE NUMBER SYSTEM (§§ 5507.01 — 5507.99)
- Chapter 5511 - STATE HIGHWAY SYSTEM (§§ 5511.01 — 5511.10)
- Chapter 5512 - TRANSPORTATION REVIEW ADVISORY COUNCIL (§§ 5512.01 — 5512.11)
- Chapter 5513 - MATERIALS - PURCHASE; SALE; EXCHANGE (§§ 5513.01 — 5513.07)
- Chapter 5515 - STATE HIGHWAYS - USE; OBSTRUCTION (§§ 5515.01 — 5515.99)
- Chapter 5516 - ADVERTISING ON INTERSTATE HIGHWAYS (§§ 5516.01 — 5516.99)
- Chapter 5517 - PROPOSED PROJECTS - MAINTENANCE; REPAIR (§§ 5517.01 — 5517.07)
- Chapter 5519 - APPROPRIATION OF PROPERTY (§§ 5519.01 — 5519.06)
- Chapter 5520 - RELOCATION ALLOWANCES [REPEALED] (§ 5520.01)
- Chapter 5521 - MUNICIPAL AND COUNTY COOPERATION (§§ 5521.01 — 5521.13)
- Chapter 5523 - GRADE CROSSINGS (§§ 5523.01 — 5523.99)
- Chapter 5524 - DEVICES AT RAILROAD CROSSINGS [REPEALED] (§ 5524.01)
- Chapter 5525 - CONSTRUCTION CONTRACTS (§§ 5525.01 — 5525.99)
- Chapter 5526 - CONTRACTS FOR PROFESSIONAL SERVICES (§§ 5526.01 — 5526.08)
- Chapter 5527 - STATE HIGHWAY CONSTRUCTION FUND (§§ 5527.01 — 5527.03)
- Chapter 5528 - STATE HIGHWAY BONDS (§§ 5528.01 — 5528.55)
- Chapter 5529 - ROADSIDE IMPROVEMENTS (§§ 5529.01 — 5529.12)
- Chapter 5531 - FEDERAL COOPERATION (§§ 5531.01 — 5531.99)
- Chapter 5533 - MEMORIAL HIGHWAYS (§§ 5533.01 — 5533.984)
- Chapter 5534 - MEMORIAL HIGHWAYS (§§ 5534.01 — 5534.962)
- Chapter 5535 - TYPES OF HIGHWAYS (§§ 5535.01 — 5535.36)
- Chapter 5537 - OHIO TURNPIKE AND INFRASTRUCTURE COMMISSION (§§ 5537.01 — 5537.99)
- Chapter 5538 - PARKING LOT COMMISSIONS [REPEALED] (§§ 5538.01 — 5538.38)
- Chapter 5540 - TRANSPORTATION IMPROVEMENT DISTRICTS (§§ 5540.01 — 5540.18)
- Chapter 5541 - COUNTY HIGHWAY SYSTEM (§§ 5541.01 — 5541.05)
- Chapter 5543 - DUTIES OF COUNTY ENGINEER (§§ 5543.01 — 5543.22)
- Chapter 5545 - HIGHWAY IMPROVEMENT COMMISSIONS (§§ 5545.01 — 5545.08)
- Chapter 5547 - COUNTY HIGHWAYS - USE; OBSTRUCTION (§§ 5547.01 — 5547.05)
- Chapter 5549 - PURCHASE OF MACHINERY AND EQUIPMENT (§§ 5549.01 — 5549.24)
- Chapter 5551 - ACQUISITION OF RAILWAY RIGHT OF WAY (§§ 5551.01 — 5551.10)
- Chapter 5552 - ROAD ACCESS MANAGEMENT (§§ 5552.01 — 5552.99)
- Chapter 5553 - COUNTY ROADS - ESTABLISHMENT; ALTERATION; VACATION (§§ 5553.01 — 5553.43)
- Chapter 5555 - COUNTY ROAD IMPROVEMENT (§§ 5555.01 — 5555.97)
- Chapter 5557 - MUNICIPAL ROAD IMPROVEMENT (§§ 5557.01 — 5557.09)
- Chapter 5559 - PLATTED TERRITORY ROAD IMPROVEMENT (§§ 5559.01 — 5559.16)
- Chapter 5561 - COUNTY ROAD GRADE CROSSINGS (§§ 5561.01 — 5561.16)
- Chapter 5563 - APPEALS IN COUNTY ROAD CASES (§§ 5563.01 — 5563.18)
- Chapter 5571 - BOARD OF TOWNSHIP TRUSTEES (§§ 5571.01 — 5571.99)
- Chapter 5573 - TOWNSHIP ROAD IMPROVEMENT (§§ 5573.01 — 5573.22)
- Chapter 5575 - MAINTENANCE AND REPAIR - CONTRACT; FORCE ACCOUNT (§§ 5575.01 — 5575.10)
- Chapter 5577 - LOAD LIMITS ON HIGHWAYS (§§ 5577.01 — 5577.99)
- Chapter 5579 - GENERAL HIGHWAY PROVISIONS (§§ 5579.01 — 5579.08)
- Chapter 5589 - OFFENSES RELATING TO HIGHWAYS (§§ 5589.01 — 5589.99)
- Chapter 5591 - COUNTY BRIDGES (§§ 5591.01 — 5591.99)
- Chapter 5593 - BRIDGE COMMISSIONS (§§ 5593.01 — 5593.99)
- Chapter 5595 - REGIONAL TRANSPORTATION IMPROVEMENT PROJECTS (§§ 5595.01 — 5595.13)