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A comprehensive guide to motor vehicle investigation (mptc) test preparation, covering key concepts, regulations, and practical applications. It includes detailed explanations of traffic laws, crash investigation techniques, and vehicle operation principles. The document also features numerous exercises and questions to reinforce learning and assess understanding.
Typology: Exams
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Windshield Size Up - ✔✔While in the vehicle identify damage and condition of vehicles, potential injuries, need for additional resources, and identify hazards
Final Resting position - ✔✔Where the vehicle comes to a complete stop after area of impact
RESPECT model - ✔✔the model used in crash investigations
Patrol Car Postioning - ✔✔position the patrol car to protect scene, passing motorists, and first responders, use emergency lights to warn approaching drivers
Person in charge while on scene during emergency care for a crash - ✔✔highest ranking FIREFIGHTER
Chapter 85 - ✔✔Regulations for ways
Chapter 89 - ✔✔Laws of the road: turning, passing, lane usage, right of way, failure to stop
Chapter 90 - ✔✔Motor Vehicles, includes leaving the scene of a crash, OUI
Two Types of Motor Vehicle violations - ✔✔1. CMVI: minor infractions, with no provision for arrest of imprisonment. 2. Criminal Violation: more serious, arrest or imprisonment
USASIR model for warrantless arrest in presence - ✔✔(U)nlicensed operation, operating (S)uspended license, use without (A)uthority, leaving the (S)cene, operating under (I)nfluence, (R)efusal to submit.
Three key elements for MV law - ✔✔motor vehicle, operation, public way, public access, or in rare occasion private way
Motor Vehicle definition - ✔✔all vehicles constructed for propulsion, by power rather than muscular power eg. cars, trucks, motorcycles, atvs, snowmobiles
operation - ✔✔a person is operating whenever they are inside the vehicle and intentionally manipulate some mechanical or electrical part of the vehicle, which alone or in sequence will set the vehicle in motion
Public Way - ✔✔any street or highway open to the public and maintained by some sort of government including mass highways, municipal streets and roads
Public access - ✔✔all non ways in which the public has access and regularly drives motor vehicles upon or public access by request eg parking lots, public parks
Statute of limitations for most MV violations - ✔✔6 years
Delivering Citation - ✔✔officers should deliver citation immediately at the time of offense impossible, ways to deliver include 1. in hand 2. Mail to violater
license types - ✔✔A, B, C, D, M *D most common
buses and vehicles carrying hazardous loads must stop how many feet before a railroad - ✔✔no less than 15 feet and no more than 50 ft
Yaw Marks - ✔✔A type of scuff when the vehicle is navigating a curve and rear tires move in a direction other than where the vehicle is heading, curved with distinct striations. help show vehicle speed, location, intended travel direction
Marking evidence - ✔✔using chalk, spray paint, or "tents" use ONE mark for items less than two feet long, use TWO or more marks to identify larger items, mark skids at end or in intervals of 5-15 ft
offset skid mark - ✔✔indicates something was struck and changed direction
Mechanical Evidence - ✔✔a vehicle defect or malfunction eg equipment failure, loads transported, driver instrument panel gauges
Human evidence - ✔✔used to compare environment evidence, eg attitude, distractions, lack of attentiveness, possible intentional crash, experience with road way, experience with driving not generally reliable
Reckless driver - ✔✔driver consciously ignores or is indifferent to the fact that his driving will likely result in death or injury
Negligent driver - ✔✔driver fails to operate in the way a reasonable person would
Minimum age to operate an ATV or Snowmobile - ✔✔14.. 14-16 no greater than 90 CC
Two circumstances that allow for a tow of a motor vehicle - ✔✔Probable cause or community caretaking
Crash force equation - ✔✔MASS X SPEED= RESTRAINING FORCE
seat belt injuries - ✔✔difficulty breathing, abdominal pain, bruises to shoulder, broken clavicle
frontal crash injuries - ✔✔concussion, broken teeth, cuts to head, liver injuries, skull and spine fractures
rear end crash injuries - ✔✔concussion, cervical fracture, torn neck ligaments
lateral crash injuries - ✔✔concussion, chest, pelvis and rib injuries, skull fractures
how many days do you have to file a motor vehicle crash report as a police officer - ✔✔15 for damage exceeding 1000 and 30 for fatal crashes
how many days does an operator have to file a crash report if there is injury or damage over 1000 - ✔✔ 5
Field Sketch - ✔✔begin sketch asap, when revising do not erase content, include name and signature, date and time of crash, weather and road conditions, drawing relative to size and location as seen at time sketch is made