R
- RTN (Real-Time Network)
- Rail crossing - automated horn warning
- Rail/Highway crossing
- Rail maps
- Rail, Iowa Passenger
- Rail safety
- Rail System Plan
- Rail Transportation, Office of
- Rail Newsletter
- Railroad Abandonments, Chronology Map (pdf)
- Railroad-crossing blocked by a train
- Railroad-crossing signals
- Railroad-crossing surface repair
- Railroad financial assistance
- Railroad track safety inspection
- Real estate and acquisition, sale or lease of land and buildings
- Real Estate Signs
- Real-Time Network (RTN)
- Rebuilt vehicle under salvage title
- Recovery, American Recovery and Reinvestment Act of 2009
- Recycled Materials Resource Center
- Regional Planning Affilations (RPAs)
- Registered motor vehicles
- Registration refunds for vehicles
- Research and Technology, Bureau of
- - IHRB
- - Operations Research
- Research Library
- Resource Enhancement and Protection (REAP)/Living Roadway Trust Fund
- Rest area posters
- Rest areas
- Rest Area - Lost and Found
- Restrain Yourself Contest
- Results Iowa
- Revitalize Iowa's Sound Economy (RISE) program
- RideShare information
- Right of Way, Office of
- River Barge Terminal Directory
[Top]
- Road access/curb cut - contact your District Office
- Road closure/construction - 511
- Road conditions - 511
- Road conditions, surrounding states
- Road construction
- Road design details
- Road design manual
- Road design tools
- Road-improvement requests - contact your District Office
- Road-maintenance - contact your District Office
- Road rage
- Road signs
- Road signs-New
- Road View
- Road Weather Information System (RWIS)
- Road work report Iowa
- Road work zone safety
- Road work zone safety educational materials
- Roads - animals/debris - contact your District Office
- Roads - funding
- Roads, Right Of Way - contact your District Office
- Roads - use tax
- Roadside Advertising
- Roadside-maintenance and enhancement
- Roundabouts
- RTK/GPS
- Rules, Administrative
- Rumble strips

