Speed Management Toolbox for Rural Communities (PDF)
Summarizes various known traffic-calming treatments and their effectiveness. Focuses on roadway-based treatments for speed management, particularly for rural communities with transition zones. Education, enforcement, and policy strategies should also be considered, but are not the focus of this toolbox.

Evaluation of Gateway and Low-Cost Traffic Calming Treatments for Major Routes in Small, Rural Communities (PDF)
Describes and evaluates traffic-calming treatments on the major road through small Iowa communities using either single-measure low-cost or gateway treatments.

Traffic Calming on Main Roads through Rural Communities Tech Brief (PDF)
Describes a number of low-cost, traffic-calming treatments that were implemented and evaluated in five Iowa communities and discusses the effectiveness of each treatment.

Traffic Safety Analysis for Local Agencies (PDF)
Describes several methods for reviewing crash data at a given location, identifying possible contributing causes, selecting countermeasures, and conducting economic analyses for the proposed mitigation. The Federal Highway Administration (FHWA) has also developed other analysis tools, which are described in the manual. The manual can also serve as a reference for traffic engineers and other analysts.

Best Practices for Low-Cost Safety Improvements on Iowa’s Local Roads (PDF)
Summarizes safety treatments for low volume local roads in Iowa.