Frequently Asked Questions
The Frequently Asked Questions (FAQs) are questions and answers about Compliance,
Safety, Accountability (CSA) that the Federal Motor Carrier Safety Administration
(FMCSA) compiled to assist the public. As questions come in through the website,
FMCSA adds them to the database along with their answers. If you do not see your
question or topic addressed, please
contact us
by submitting a feedback form. We will respond to you directly and consider your
question for inclusion in the FAQs.
The FAQ area has recently been enhanced. Users can now search FAQs by stakeholder
group, topics (displayed on the left side of the page), or by entering a keyword
below. Choosing “Show All” will display the entire collection of FAQs.
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What was the Operational Model Test (Op-Model Test)?
Answer
The Op-Model Test was a field test of the new Compliance, Safety, Accountability
(CSA) Safety Measurement System (SMS) and comprehensive intervention process, which
began in four States in February 2008 and five additional States in 2009. During
the Op-Model Test, a representative sample of interstate motor carriers within the
States of Colorado, Georgia, Missouri, and New Jersey were measured in the SMS and
subjected to interventions, while another representative set of carriers (a control
group) within the four States were subject to the existing compliance and enforcement
process. Delaware, Kansas, Maryland, Minnesota, and Montana were also part of the
Op-Model Test; however, all carriers in these States were measured in SMS and subjected
to interventions. The test lasted 30 months and ended on June 30, 2010.
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