SHRP-II-Request-for-Proposals-S05.pdf
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1、 - 1 - SHRP II Request for Proposals Safety Focus Area Project Number: S05 Project Title: Design of the In-Vehicle Driving Behavior and Crash Risk Study Date posted: September 13, 2006 SHRP II BACKGROUND To address the challenges of moving people and goods efficiently and safely on the nations highw
2、ays, Congress has created the second Strategic Highway Research Program (SHRP II). SHRP II is a targeted, short-term research program carried out through competitively awarded contracts to qualified researchers in the academic, private, and public sectors. SHRP II addresses four strategic focus area
3、s: the role of human behavior in highway safety (Safety); rapid highway renewal (Renewal); congestion reduction through improved travel time reliability (Reliability); and transportation planning that better integrates community, economic, and environmental considerations into new highway capacity (
4、Capacity). Under current legislative provisions, SHRP II will receive approximately $150 million with a total program duration of seven years. Additional information about SHRP II can be found on the programs web site at www.trb.org/shrpii. OVERVIEW OF SAFETY FOCUS AREA The focus of the SHRP II safe
5、ty plan is a large field study of driving behavior using volunteer drivers and a sophisticated instrumentation package installed in the volunteers vehicles for at least several months but not more than one year. This SHRP II field study is intended to support a comprehensive safety assessment of how
6、 driver behavior and performance interact with roadway, environmental, vehicular, and human factors and the influence of these factors and their interactions on collision risk, especially lane departure and intersection collisions. The accompanying chart lays out the main projects anticipated for SH
7、RP II Safety research. The chart provides a general idea of the flow of work and of the placement of Project S05, for which this request for proposals (RFP) has been issued. The exact number, content, and timing of contracts are subject to change. Project S05, the Study Design, includes the developm
8、ent of a complete data collection system, a field trial of the system, and the management plan for the full study. The Study Design is supported by Project S03 to develop a digital measurement van to collect detailed and accurate roadway information in the study areas and by Project S01 to identify
9、analytic methods to address the research questions. Multiple analysis development projects are anticipated under Project S01. The full-scale in-vehicle field study will be implemented at the beginning of the third year in 3 to 4 study areas with an overall quality assurance and technical coordinatio
10、n contractor. The total anticipated budget for the field study is $30,000,000. Roadway data will be collected in the study areas under a separate project, S04. Multiple analysis projects (S08) are planned to address a wide range of research questions using the data collected. - 2 - In-Vehicle Study
11、Roadway Data Analysis Site-Based Study 2011 S05 (Phase II): Technical Coordination and Independent Quality Assurance for Field Study S05 (Phase I): Design of the In- Vehicle Driving Behavior and Crash Risk Study 20092010 Prepare for field study 2008 S02: Integrate Methods and Develop Analysis Plan S
12、01: Development of Analysis Methods Using Recent Data (multiple awards, two phases) Study Design the exact dates will be coordinated through SHRP II staff. Information from the Analysis Methods contractors may be used by the Study Design contractor to specify the data requirements for the instrument
13、ation packages to be used in the field study. Data requirements must be specified early in the study design process, which is why this workshop is called for early in the period of performance of all three projects. The objective of the workshop is to exchange information on implications of the anal
14、ysis methods under consideration for data elements to be collected, data storage, and data access provisions. Workshop participants will include the Study Design contractor, the contractors from Projects S01 and S09, SHRP II Safety Technical Coordination Committee members, SHRP II staff, - 6 - and p
15、ossibly other experts. The only travel expenses for which the Study Design Contractor will be responsible are those of the Study Design contractors own staff. Products: (1) An overall plan of the analytic methods to be used in addressing the research questions of Task 1, in enough detail to provide
16、the basis for making decisions on the sampling plan and the data to be acquired (which drivers? which vehicles? how much data are needed statistical power? what exposure data are needed? how should exposure data be selected independence? etc.). (2) A workshop with the contractors on Projects S01 and
17、 S09 to discuss analytic approaches and the implications for data collection, data storage and data retrieval. Task 3: Sample Design The objective of this task is to produce a sample design for the full-scale in-vehicle field study. Subtasks: a. Determine the driver and vehicle sample best suited to
18、 answer the research questions of Task 1 using the analysis methods of Task 2. The sample should reflect established findings about the interaction of driver age, gender, and vehicle type in exposure-based analyses of crash involvements. A baseline/control subgroup described by age X gender X vehicl
19、e types that are not overrepresented in crashes or fatal crashes should also be included in the sample. The sampling plan should allow the flexibility to change the driver-vehicle mix when the instrumentation package is moved to different vehicles. At the planning stage, it is believed that a minimu
20、m of three age groups are needed, to separate young (e.g., 16-19), adult (e.g., 30-45) and older (e.g., 70+) drivers. If resources permit, a middle-aged driver cohort (e.g., 55-69) may be useful. Vehicles are limited to passenger vehicles; motorcycles, large trucks, and other specialized vehicles ar
21、e not included. Possible vehicle groups are small, medium, and large passenger cars, vans, pick-up trucks, and sport utility vehicles. The number of subgroups may have to be reduced to achieve reasonable minimum sample sizes in each, given the total sample. Registration data or insurance information
22、 may reveal if there are adequate populations for all the targeted combinations of age, gender, and vehicle type. Not all age and gender drivers may be represented in each vehicle type. Subgroups that do not have adequate representation in the population data might be omitted from the sample design.
23、 b. Determine the geographical areas in which the study will be conducted. For planning purposes, the study should consider being conducted in 3 or 4 geographic areas. Geographic area selection must include a mix of roadway and driving characteristics - rural, suburban, and urban; Interstate-type ro
24、adways and local streets; different weather conditions. Geographic area selection also must balance the need for geographic diversity with the goal of minimizing the costs of the field study. In selecting geographical sampling areas, consider using NHTSAs NASS sampling areas, to provide opportunitie
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