Traffic Law Glossary
Key legal definitions and standard regulatory concepts regarding speeding thresholds, fine structures, and license suspension points.
Absolute Speed Limit
A strict speed limit. Driving even 1 mph above the posted limit represents a statutory violation. Most US states enforce absolute limits on primary interstate corridors and expressways.
Presumed Speed Limit
Also designated as prima facie limits. Exceeding the limit creates a legal presumption of unlawful driving, but motorists reserve the right to demonstrate in court that their speed was reasonable and safe given road, traffic, and weather conditions.
Basic Speed Law
A fundamental driving rule stating that motorists must never drive faster than is safe for current conditions, regardless of the posted speed limit. For example, driving 40 mph in a 55 mph zone during severe weather can still result in a basic speed law citation.
Penalty Assessment
State or county surcharges added to a base fine to fund public programs such as court operations, emergency medical services, and law enforcement training. These assessments frequently exceed the base fine by multiple times.
Civil Assessment
An additional financial penalty imposed by a court when a driver fails to resolve, pay, or appear for their ticket by the scheduled appearance date.
License Points
A demerit system used by state DMVs to monitor driver records. Violations add a set number of points to the driver license; accumulating threshold values triggers license suspension reviews.
Non-Reporting State
A state that does not report out of state traffic convictions back to the driver's home licensing agency. Certain states omit out of state minor infractions unless they are criminal in nature (like reckless driving or DUI).
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