Your 10-Codes of the Day

10-30 = Does not conform to FCC Rules

10-21 = Call on the telephone

10-33 = Emergency Traffic at this station

10-19 = Nothing for you, return to base

10-37 = Wrecker needed at …...

Your Truck driving Definitions of the Day

Twins (Twin Trailers)

See Doubles.

Kingpin (axle)

Pin around which a steer axle's wheels pivot.

Horsepower (hp)

Measure of power (the amount of work that can be done over a given amount of time). One horsepower is defined as 33,000 foot-pounds of work in one minute. Example: Lifting 33,000 pounds one foot in one minute, or lifting 3300 pounds ten feet in one minute.

AVI (Automatic Vehicle Identification)

System combining an on-board transponder with roadside receivers to automate identification of vehicles. Uses include electronic toll collection and stolen vehicle detection. (see IVHS)

IVHS (Intelligent Vehicle Highway Systems)

Blanket term for a wide array of technologies, including electronic sensors, computer hardware and software and radio communications. The purpose of IVHS is to increase efficiency of use of existing highways, reducing travel time, fuel consumption, air pollution and accidents. There are five functional areas: Advanced Public Transportation Systems (APTS) Advance Traffic Management Systems (ATMS) Advance Traveler Information Systems (ATIS) Advanced Vehicle Control Systems (AVCS) Commercial Vehicle Operations (CVO) A more recently coined term, Intelligent Transportation Systems (ITS), encompasses both IVHS and modes of transportation other than highway, such as rail. (see AVI, AVL, WIM)