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APPENDIX B
Survey Questionnaire
Under sponsorship of the Transportation Research Board, Bishop Consulting along with the Virginia Tech Transportation
Institute (VTTI) is conducting a study focused on the safety impacts of speed limiting devices in commercial trucks and buses.
As a trucking industry professional your knowledge and opinions are important to this study. This survey seeks your input on
various speed limiter issues. The survey, which will take about 10 minutes to complete, asks you about the effectiveness of
speed limiters, in terms of perceived fleet safety, driver acceptance, vehicle operations, and related issues. There is also a space
for your comments and suggestions. Final research results will be provided to interested parties and stakeholders, but all infor-
mation provided by you will be kept strictly confidential! The information collected from this survey will not be used
for any other purposes.
Thank you for your participation and support!
Please send me a copy of the final report (must complete information below) YES
Name: ___________________________________________________________________________________________
Phone: ___________________________________________________________________________________________
Company: ________________________________________________________________________________________
E-mail: ___________________________________________________________________________________________
Job title: __________________________________________________________________________________________
1. Number of years you have been a safety manager (for commercial vehicle operations):
_____ years
2. Your approximate number of years experience in commercial vehicle operations:
_____ years
3. Number of power units in your company's fleet: _______ power units
4. How would you characterize your fleets primary operation (select one)?
For hire: local/short-haul (less than 100 miles from home base)
For hire: long-haul (more than 500 miles from home base)
Private fleet: long-haul
Private fleet: local/short-haul
Passenger carrier: long-haul
Passenger carrier: local transit
Other (please specify): ________________________________________________
5. Does your organization use speed limiters in any of your trucks? NO YES
a. If "NO," then why (select all that apply)? If "YES," skip to Question #6.
Cost of installing and/or maintaining devices
Owner-operator refusal
Impact on delivery time
Avoid workplace conflict
Cartruck speed differential safety concerns
Inability to accelerate during safety event
All vehicles (cars and trucks) must have speed limiters
Fear that drivers will drive faster in lower posted speed zones
Other (please specify): ______________________________________________
If you answered NO on Question #5, please do not complete the questions beyond this point. Please e-mail your
responses to richardbishop@mindspring.com or fax your responses to Jeff Hickman @ 540-231-1555. Thank you for your
time.
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6. Do you use a speed limiting device that was factory installed by the engine or vehicle manufacturer? NO YES
a. If "NO," what type of speed limiter does your company use?
________________________________________________________________________________________________
7. Please estimate what percentage of your fleet uses speed limiters? _____%
8. How many years have speed limiters been installed in your vehicles? ____ years
9. Does your company set a cruise-control speed limit that is different from a non-cruise control (on-pedal) speed limit?
NO YES, the cruise control speed is _____ MPH
10. What is your non cruise-control (on-pedal) speed? _____ MPH
11. Do you require speed limiters for owner-operators you hire?
NO
YES
Not applicable
12. How did you determine the governor speed to set in your fleet (mark all that apply)?
Safety
Posted speed limit
Fuel mileage
Insurance requirements
Driver input
Followed other trucking organization
Other (please list): _______________________________________________________________________________
13. What are the TOP three intended goal(s) of speed limiters (please write number)?
__ Reduce top speed
__ Reduce overall speeding above posted speed limits
__ Reduce crashes
__ Reduce speeding-related violations
__ Reduce tire wear
__ Increase fuel economy
__ Other (please list): _______________________________________________________________________________
14. Do you have any variations in the top speed of the speed limiter among your drivers? For example, different speeds for
drivers with an excellent or poor safety record.
NO
YES, please explain:
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
15. Have drivers tampered with the speed limiter settings? NO YES
a. If "YES," are there penalties for drivers who tamper with the speed limiter settings?
NO
YES, please explain:
_____________________________________________________________________________________________
_____________________________________________________________________________________________
_____________________________________________________________________________________________
16. Based on your experience, how successful have the speed limiters been in reducing speeding violations?
Very successful
Successful
Neutral
Unsuccessful
Very unsuccessful
Cannot determine
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17. Based on your experience, are you aware of drivers traveling faster than normal in lower speed areas in order to "make
up" time "lost" by using a speed limiter on interstate routes?
NO
YES, please explain (anecdotal information is acceptable):
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
18. Based on your experience, how successful have the speed limiters been in reducing crashes?
Very successful
Successful
Neutral
Unsuccessful
Very unsuccessful
Cannot determine
19. Based on your experience, how successful have the speed limiters been in reducing tire wear?
Very successful
Successful
Neutral
Unsuccessful
Very unsuccessful
Cannot determine
20. Based on your experience, how successful have the speed limiters been in increasing fuel economy?
Very successful
Successful
Neutral
Unsuccessful
Very unsuccessful
Cannot determine
21. Based on your experience, how often do the speed limiters reduce on-time delivery?
Very often
Often
Neutral
Seldom
Very seldom
Cannot determine
22. Based on your experience, what has the driver response been toward the speed limiter?
Very positive
Positive
Neutral
Negative
Very negative
Cannot determine
23. Based on your experience, in what way does having speed limiters on fleet vehicles impact driver hiring and
retention?
Strong adverse impact
Adverse impact
No impact
Positive impact
Strong positive impact
Cannot determine
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24. Have speed limiters negatively affected safety in any area of your operations?
NO
YES, please indicate how:
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
25. Have speed limiters negatively affected productivity in any area of your operations?
NO
YES, please indicate how:
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
26. Overall, the use of speed governors has improved your fleet operations.
Strongly agree
Agree
Neutral
Disagree
Strongly disagree
27. Please feel free to write any comments, issues, or experiences you've had with speed limiters.
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
Thank you for your time. Please submit you survey in one of the following ways.
E-mail: richardbishop@mindspring.com
Fax: Jeff Hickman @ 540-231-1555
Mail: Jeff Hickman, Virginia Tech Transportation Institute, Blacksburg, Va., 24061
