Colorado CDL Passenger key terms

A systematic check of lights, brakes, tires, steering, mirrors, emergency exits, and passenger items performed before driving, so defects are found while the vehicle is still parked and can be corrected or reported.

A written or electronic report the driver completes after each day's work listing any defect found on the bus, so the carrier knows what must be repaired before the vehicle is used again.

The end-of-shift walk-around in which the driver checks the bus for new damage, remaining passengers, lost items, and mechanical problems, then records any defects on the inspection report.

A test with the engine off and system charged in which the driver watches the air gauge for a steady pressure drop, confirming the brakes hold air and will not fade during a long downgrade.

With the bus parked and the parking brake released, the driver presses the service brake and holds it to confirm the pedal or treadle does not sink, showing the system has no serious leak.

A buzzer and light that activate when air pressure falls below the manufacturer's threshold, warning the driver to stop safely before braking power is lost.

Checking that roof hatches, side windows, and rear doors open freely, their release handles are unobstructed and labeled, and their audible alarms work as designed.

A device that sounds when an emergency exit is opened, alerting the driver to an unauthorized opening while still allowing passengers to escape in a real emergency.

The total distance a bus travels from the moment a hazard is seen until it stops, combining perception, reaction, and braking distance, and growing sharply with speed and load.

The gap a bus driver keeps behind the vehicle ahead, measured in seconds and increased for heavy loads, wet roads, darkness, or poor visibility, because a loaded bus needs far more room to stop.

The margin of empty road kept around the bus on all sides so the driver has room to steer or brake if another vehicle drifts, stops suddenly, or enters the lane.

Selecting a low gear before a long descent and controlling speed with engine braking rather than continuous service braking, which overheats brakes and can cause brake fade.

The loss of stopping power when brakes overheat from prolonged or repeated use, felt as a spongy pedal or a bus that keeps rolling despite hard braking.

A gravel-filled runaway truck ramp beside a steep downgrade, intended for a vehicle that has lost braking, where the loose surface slows and stops it.

Choosing a lane and position within it that keeps the long, wide bus clear of curbs, parked cars, and blind spots, and that leaves room for wide right turns.

The tendency of a bus's rear wheels to cut a tighter path than the front wheels, so the rear can strike a curb or vehicle during a turn if the driver turns too soon.

Approaching a right turn from the proper lane, swinging wide enough to keep the rear wheels off the curb, and checking the right mirror before completing the turn.

The designated area where a bus stops to take on or discharge passengers, chosen to minimize traffic conflict and kept clear of hazards such as ice, traffic lanes, and blind corners.

The maximum number of passengers permitted to ride standing, set by the vehicle's rated capacity, which a driver must not exceed because standing riders are most vulnerable in a stop or crash.

The tally of riders aboard, checked when boarding and leaving and reconciled before departing a stop, so no one is left behind and capacity limits are respected.

A physical sweep of every seat, aisle, and storage area at the end of a trip to confirm no sleeping child, passenger, or pet remains on the bus.

Locking a wheelchair or scooter to the floor with a four-point tie-down and fastening the occupant's lap and shoulder belt, done before the bus moves.

The help a driver gives riders who need it, such as deploying a lift, steadying someone on steps, or announcing stops, provided without rushing and without lifting a person unsafely.

Deploying the lift only on level ground, securing the safety barrier, guiding the chair on and off slowly, and stowing the lift before the bus is driven.

Materials a passenger may not bring onto the bus, such as flammable liquids, open containers of alcohol, weapons, and hazardous packages, which the driver must refuse and report.

A diamond-shaped warning sign on a vehicle or package identifying the class of dangerous goods carried, which a passenger-bus driver must recognize and keep away from the coach.

Any activity that pulls a driver's eyes, hands, or attention from the road, such as phone use, dispatching, eating, or managing passengers, all of which are especially risky in a heavy bus.

Planning rest, meals, and breaks so the driver stays alert across long shifts, recognizing that drowsiness impairs judgment and reaction as much as alcohol does.

The orderly removal of passengers from a bus in a crisis, using exits away from traffic or fire, with the driver directing and assisting before leaving the vehicle.

Pulling the pin, aiming at the base of the flames, squeezing the handle, and sweeping side to side, used only on small fires and only after passengers are moved to safety.

Stopping safely, setting out warning triangles or flares, calling for help, and keeping passengers clear of traffic, then reporting the collision as required by law.

A collision involving injury, death, or specified property damage that the driver must report to the carrier and to law enforcement within the time set by state and federal rules.

The federal limits on driving and on-duty time, including required rest breaks, that govern how long a commercial passenger carrier driver may operate before stopping.

The record of a driver's on-duty, driving, off-duty, and sleeper-berth time kept for each day, showing compliance with hours-of-service limits and available for inspection.

An added authorization on a CDL, such as the passenger (P) endorsement, that must be held before operating a bus designed to carry sixteen or more people including the driver.

The carrier's record for each driver, holding the application, medical certificate, driving record, and road test results, which must be kept current and available for inspection.

A defect serious enough that regulations forbid driving the vehicle, such as a broken brake, cracked frame, or missing emergency exit handle, until it is repaired and cleared.