Access Control - Indicates the degree access to an adjoining roadway is controlled by public authority. If there is, No access control (unlimited access); Full access control (ramp entry & exit only); or Other (partial access control). NOTE: Access is controlled by roadway configuration, not traffic control devices such as, No Left Turn signs, etc.

Bicyclist - "Bicycle" means a device propelled by human power upon which a person may ride, having either 2 or 3 wheels in a tandem or tricycle arrangement, all of which are over 14 inches in diameter.

Bus (Also see School Bus) - Any passenger-carrying vehicle designed to transport 18 or more passengers, including the driver.

Crash Date - The date the crash occurred. If the date is unknown, and cannot be reasonably estimated, use the date the crash was discovered by the complainant or the date is being reported. A valid date is necessary to update records of each involved driver.

Driver Condition - Apparent condition of the driver which may have contributed to the crash. Appeared normal; had been drinking; illegal drug use; sick; fatigue; asleep; medication (Prescription and over the counter medication); distracted (Inside or outside of the unit); using cellular phone; unknown.

Engineer - Engineer (railroad train)

Fatal Injury - Any injury that results in death due to a motor vehicle traffic crash.

Ignition Interlock - An alcohol concentration measuring device that prevents a motor vehicle from being started at anytime without first determining through a deep lung sample the operator's breath alcohol level. Michigan Vehicle Code, Sec. 257.625L (6).

In Transport - The term "in transport" denotes the state or condition of a vehicle that is in motion or within the portion of a way ordinarily used by similar vehicles. When applied to motor vehicles, "in transport" means in motion or on a roadway.

Inclusions: Motor vehicle in traffic on a highway; driverless motor vehicle in motion; motionless motor vehicle abandoned on a roadway; disabled motor vehicle on a roadway; and others. 

A parked motor vehicle in roadway lanes used to travel during rush hours and parking during off-peak periods is in transport during periods when parking is forbidden.

Injury Codes

• K - Fatal
• A - Incapacitating
• B - Non-Incapacitating
• C - Possible injury
• O - No injury

Location (Crash Location) - Location of a crash is defined by:

• The road name on which the crash occurred including prefix, road name, type, and suffix
• The distance and direction of the point of impact from a cross road (located within the county of the crash)
• The name of the cross road including prefix, road name, type, and suffix

Landmarks, freeway mile markers, private roadways, addresses, or factory gate numbers cannot be used as a reference point to identify the location of a crash.

Motor Vehicle - "Motor vehicle" means every vehicle which is self-propelled and every vehicle which is propelled by electric power obtained from overhead trolley wires, but not operated upon rails.

• Standard motor vehicles - Cars, pickups, vans, buses, trucks, motorcycles, etc.
• Emergency vehicles - Police, fire, ambulance.
• Farm equipment - Farm tractors, combines, etc.
• Off Road Vehicles (ORV) - Snowmobiles, mopeds, all-terrain vehicles (ATV), dirt bikes, motorbikes, go-carts, garden tractors, motorized wheelchairs, Cushman scooters.
• Road maintenance equipment - dump trucks, snowplows, road graders
• Construction equipment - Rollers, front-end loaders, scrapers, mobile cranes, etc.

Pedestrian - Person on foot; person on skis, skates or roller blades; rider of horse; horse and buggy (each occupant, including the driver, will be listed as a separate pedestrian unit); non-motorized wheel chair.

Railroad Association Certification Card - A laminated identification card with photograph, that every engineer is required to possess while operating a train.

School Bus - "School bus" means every motor vehicle, except station wagons, with a manufacturers' rated seating capacity of 18 or more passengers, including the driver, owned by a public, private, or governmental agency and operated for the transportation of children to or form school, or privately owned and operated for compensation for the transportation of children to or from school. School bus does not include buses operated by a municipally owned transportation system or by a common passenger carrier certificated by the state transportation department.

Serial Override Number - Enter the preprinted serial number of the first form in the "Serial Override Number" box of all additional forms you submit for a particular crash. Do not obliterate any of the used or unused Serial Override Numbers in any way.

Traffic Crash - An incident involving a motor vehicle, in transport (see "In Transport" defined), on a roadway, that resulted in death, injury or property damage of $1,000.00 or more.

Trafficway - Indicates whether or not a trafficway is not physically divided, or is divided with a median strip, with or without a traffic barrier, and whether it serves one-way or two-way traffic.

Hazardous Action Codes are as follows:

• 00 None
• 01 Speed too fast
• 02 Speed too slow
• 03 Failed to yield
• 04 Disregard traffic control
• 05 Drove wrong way
• 06 Drove left of center
• 07 Improper passing
• 08 Improper lane use
• 09 Improper turn
• 10 Improper/no signal
• 11 Improper backing
• 12 Unable to stop in assured clear distance
• 13 Other
• 14 Unknown
• 15 Reckless driving
• 16 Careless/Negligent driving