Finding Ohio Product Maps: ODOT Resources

The **Ohio Department of Transportation (ODOT)** publishes and maintains the authoritative **product maps** for Ohio's transportation infrastructure. Here's how to access them.

Primary Source

ODOT Office of Technical Services — Mapping & GIS Section
transportation.ohio.gov → "Engineering" → "Mapping & GIS" → "Product Maps"

Available Map Products

• State Highway Map — Official biennial tourist map (PDF, print)
• County Maps — 88 county-level road/logistics maps
• City/Village Maps — Municipal street networks
• Straight Line Diagrams (SLD) — Route logs with mileposts, structures, pavement data
• Bridge Inventory Maps — Structure locations, ratings, clearances
• Traffic Volume Maps — AADT (Annual Average Daily Traffic) by segment
• Functional Classification Maps — Interstate, arterial, collector, local designations
• GIS Data Downloads — Shapefiles, geodatabases, KML for ArcGIS/QGIS

Specialized "Product" Maps

• Freight & Logistics: Ohio Freight Plan maps, NHS Intermodal Connectors, weight-restricted bridges
• Active Transportation: Bike route maps, trail networks, Safe Routes to School
• Environmental: Wetlands, floodplains, noise walls, cultural resources
• Planning: MPO/TIP project maps, corridor studies, access management

Access Methods

1. Interactive: ODOT TIMS (Transportation Information Mapping System) — web GIS viewer
2. PDF Library: Mapping & GIS page — downloadable print maps
3. Data Portal: data.ohio.gov — machine-readable datasets (CSV, SHP, API)
4. Print Orders: Contact ODOT Map Sales (614-466-3030) for large-format prints

Pro Tip

For **commercial vehicle routing**, use the **Ohio Truck Routing Map** (green/red/yellow bridge/weight designations) — critical for oversize/overweight permits.