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FHWA Home / Safety / Local and Rural Road / Roadway Safety Information Analysis

Roadway Safety Information Analysis: A Manual for Local Rural Road Owners

Table of Contents


Long Description for Figure 1. Data Collection and Analysis Steps

Flow diagram describes the steps to be taken in collecting and analyzing data, as follows:

Step 1: Collect Safety Roadway, and Exposure Information (Manual: Section 2).

Information can be collected from:

Step 2: Record Inforamtion for Safety Analysis (Manual: Table 1)

Compile information in a table to determine if patterns emerge and to track responses to known crash locations.

Step 3: Analyze Data (Manual: Section 3)

Data can be analyzed in the following ways, based on available information:

Step 4: Select Countermeasures (Manual: Section 4)

Details from the crash data can provide clues about what treatments are the most appropriate. Based on the availability of data, different approaches can be taken:


Return to Figure 1.

Page last modified on June 17, 2011
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Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000