Traffic Enforcement Agent Spatial Orientation and Map Reading Flashcards

A Traffic Enforcement Agent needs to describe a vehicle's location as 'in front of' a building. This type of directional reference is known as:

Answer: Relative direction

Relative directions describe position in relation to a reference point, such as 'in front of' or 'behind.'

On a street grid map, odd-numbered addresses are typically found on which side of a street running north-south?

Answer: East side

In most U.S. cities, odd-numbered addresses are on the east side of north-south streets.

An officer is at intersection A and must reach intersection D. The route goes: A→B (north 2 blocks), B→C (east 3 blocks), C→D (south 1 block). What is the net displacement from A to D?

Answer: 1 block north, 3 blocks east

Net north-south: 2 north − 1 south = 1 north; net east-west: 3 east = 1 block north and 3 blocks east.

Which term describes the imaginary lines running east to west on a map used to measure latitude?

Answer: Parallels

Lines of latitude run east-west and are called parallels because they run parallel to the equator.

A vehicle is illegally parked at the southeast corner of an intersection. An officer approaching from the north would see the vehicle to their:

Answer: Front-right

Approaching from the north, east is to the officer's right and south is ahead, so the southeast corner is front-right.

On a city map, contour lines that are very close together indicate:

Answer: Steep terrain

Closely spaced contour lines indicate rapid elevation change, meaning steep terrain.

An officer is told a double-parked vehicle is 'mid-block' on Oak Street between 3rd and 4th Avenue. Approximately where should the officer look?

Answer: Halfway between 3rd and 4th Avenue

'Mid-block' means approximately in the middle of the block, halfway between the two cross streets.