Other vehicles — Oregon Permit Test

Slow moving vehicles such as farm equipment must display the slow moving vehicle emblem when using a public highway, and you should be prepared to slow down or adjust your position on seeing it.

The emblem is on the back of something doing 15 mph on a road where you are doing 55, and the closing speed is the whole danger.

Be prepared to slow down or adjust your position when you see this sign.

A red flag at least 12 inches square must be shown at the end of any load extending 4 feet or more beyond the rear of the vehicle, replaced by a red light visible for 500 feet to the rear and sides when visibility is limited.

The overhang is invisible at night, and a following driver judges the gap by the taillights rather than by what is sticking out past them.

A red flag, at least 12 inches square, must be shown at the end of any load that extends 4 feet or more beyond the rear of the vehicle. A red light, visible for 500 feet to the rear and sides, must replace the red flag when limited visibility conditions exist.

Passenger vehicles must not carry loads extending beyond the left fenders, loads may not extend more than 6 inches beyond the right fenders, and no load may extend more than 4 feet in front of any vehicle.

Nothing may stick out on the traffic side at all, because that is the side that meets oncoming vehicles.

Passenger vehicles must not carry loads that extend beyond the sides of the fenders on the left side. Loads may not extend more than 6 inches beyond the sides of the right fenders. Loads may not extend more than 4 feet in front of any vehicle.

Vehicles in a funeral procession may enter an intersection without stopping and need not obey traffic control devices, and other vehicles must yield right of way to the procession.

Breaking a procession strands vehicles at a signal they are entitled to ignore, which is why joining or cutting through it is an offense.

Vehicles in a funeral procession may enter an intersection without stopping and do not have to obey traffic control devices. Other vehicles must yield right of way to funeral processions.

If you are not a member of a funeral procession it is against the law to join it or to drive between the vehicles in it.

Cutting in separates drivers who are following the car in front rather than the road, and the ones behind lose the procession entirely.

If you are not a member of the funeral procession, it is against the law for you to join or drive between vehicles in the procession.

Vehicles approaching a public transit bus from the rear must yield when the bus driver signals to re-enter a traffic lane and an electric yield sign is flashing on the back of the bus.

A bus pulling out needs a gap no driver would otherwise give, and the flashing sign is the state making that a duty rather than a courtesy.

Vehicles approaching from the rear must yield when a bus driver signals to re-enter a traffic lane and there is an electric sign flashing "yield" on the back of the bus.

What does the slow moving vehicle emblem tell a driver?

To be ready to slow down or adjust position. The emblem is on the back of something doing 15 mph on a road where you are doing 55, and the closing speed is the whole danger. 2026-2027 Oregon Driver Manual, p.56: “Be prepared to slow down or adjust your position when you see this sign.”