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Texas CDL Hazmat study materials
Texas CDL Hazmat study resources

Texas CDL Hazmat practice questions

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Question 1Hazardous Materials Regulations and Definitions

Under the hazmat regulations, a material is classified as hazardous if it is capable of posing an unreasonable risk to health, safety, and property when transported in commerce and is listed in which reference?

  1. The National Fire Protection Catalog
  2. The Hazardous Materials Table Correct answer.
  3. The Federal Motor Carrier Safety Register
  4. The Commercial Vehicle Inspection Manual

Explanation

The Hazardous Materials Table (49 CFR 172.101) is the master list that designates materials as hazardous for transportation purposes and assigns their basic shipping requirements. A material meeting the definitional criteria in 49 CFR 173 is also regulated even if not specifically named.

Question 2Hazardous Materials Regulations and Definitions

A shipper is preparing a package of a hazardous material. Which document is required to accompany the shipment and communicate what the material is and how it must be handled?

  1. A bill of lading only
  2. A weight certificate
  3. A shipping paper Correct answer.
  4. A vehicle registration

Explanation

A shipping paper (such as a bill of lading or manifest) must describe the hazardous material in the required sequence and be carried by the driver. It provides emergency responders and carriers with the information needed to handle the shipment safely.

Question 3Hazardous Materials Regulations and Definitions

In the basic hazardous materials description on a shipping paper, what does the hazard class number represent?

  1. The nature of the hazard posed by the material Correct answer.
  2. The weight of the package in kilograms
  3. The expiration date of the placard
  4. The DOT registration number of the carrier

Explanation

The hazard class identifies the category of danger (for example, flammable liquid, corrosive, or poison) so that everyone in the transportation chain understands the primary risk. It is one of the required elements of the basic description along with the UN number, proper shipping name, and packing group.

Question 4Hazardous Materials Regulations and Definitions

A driver is reviewing a shipping paper and sees the packing group 'I' assigned to a material. What does this indicate about the material?

  1. It may be carried without a shipping paper
  2. It presents great danger Correct answer.
  3. It is non-regulated
  4. It is exempt from placarding

Explanation

Packing Group I indicates great danger, Packing Group II indicates medium danger, and Packing Group III indicates minor danger. The packing group reflects the degree of hazard and influences packaging and handling requirements.

Question 5Hazardous Materials Regulations and Definitions

Which placard is required for a vehicle carrying a hazardous material that presents a fire risk and is a flammable liquid?

  1. Poison Inhalation Hazard
  2. Flammable Correct answer.
  3. Corrosive
  4. Oxidizer

Explanation

The FLAMMABLE placard is used for flammable liquids and certain flammable solids and gases as specified in the placarding tables. Placards must match the hazard class of the material being transported.

Question 6Hazardous Materials Regulations and Definitions

A driver must know the emergency response information for a hazardous material shipment. Which source is specifically designed to provide this information to drivers and responders?

  1. The vehicle's maintenance log
  2. The carrier's fuel receipts
  3. The emergency response information accompanying the shipping paper Correct answer.
  4. The driver's medical certificate

Explanation

Emergency response information must accompany the shipping paper and provide guidance on what to do in an incident involving the material. It is often provided through an emergency response guidebook or a 24-hour emergency response telephone number.

Question 7Hazardous Materials Regulations and Definitions

A material is assigned to Hazard Class 8. Which hazard does this class represent?

  1. Infectious substance
  2. Explosive material
  3. Corrosive material Correct answer.
  4. Radioactive material

Explanation

Hazard Class 8 covers corrosive materials that can cause severe damage to skin or metal. Classes 7 and 6.2 cover radioactive and infectious substances, respectively, while Class 1 covers explosives.

Question 8Hazardous Materials Regulations and Definitions

A driver is hauling a shipment that requires placards. At what point must the placards be displayed?

  1. Before the vehicle is operated on a public road Correct answer.
  2. Only when crossing a state line
  3. Only after the vehicle leaves the terminal
  4. Only when the vehicle is loaded to full capacity

Explanation

Placards must be affixed before the vehicle is operated on a public highway and must remain displayed until the hazardous materials are unloaded. Placarding is required regardless of whether the trip is interstate or intrastate.

Question 9Hazardous Materials Regulations and Definitions

A shipper offers a package for transportation, and the driver notices the package is not marked with the required proper shipping name and UN number. What is the driver's most appropriate action?

  1. Cover the package with a tarp and proceed
  2. Refuse the shipment until it is properly marked Correct answer.
  3. Add the markings personally before departure
  4. Accept the package and note the issue later

Explanation

The driver should not accept a hazardous materials package that is not properly marked, labeled, and documented. Accepting a noncompliant package can create serious safety and legal exposure, and the shipper is responsible for proper marking.

Question 10Hazardous Materials Regulations and Definitions

A driver is transporting a hazardous material that requires a placard. Which statement about the placard is correct?

  1. It must be visible from the front, rear, and both sides Correct answer.
  2. It must be removed immediately after loading
  3. It may be replaced by a handwritten note
  4. It may be placed only on the driver's side

Explanation

Placards must be displayed on both sides and both ends of the vehicle so they are visible from all four directions. This allows emergency responders to identify the hazard from any approach.

Question 11Hazardous Materials Regulations and Definitions

A driver is reviewing a shipping paper and sees the entry includes a UN number, a proper shipping name, a hazard class, and a packing group. What is this set of information called?

  1. The bill of lading header
  2. The vehicle inspection report
  3. The basic description Correct answer.
  4. The emergency response guide

Explanation

The basic description is the sequence of required information on a shipping paper: UN number, proper shipping name, hazard class or division, and packing group. It must appear in that order so the shipment can be quickly identified.

Question 12Hazardous Materials Regulations and Definitions

A driver is carrying a hazardous material and is involved in an incident that results in a spill. Which action is required first?

  1. Leave the vehicle and walk to find a phone
  2. Notify emergency responders and secure the scene Correct answer.
  3. Attempt to clean the spill without protective equipment
  4. Continue to the destination to save time

Explanation

The driver must protect people and the environment by notifying emergency responders and securing the area, using the emergency response information provided with the shipment. Personal safety and public safety come before continuing the trip or cleanup.

Question 13Hazardous Materials Regulations and Definitions

A carrier is required to register with the Pipeline and Hazardous Materials Safety Administration. Which shipments generally trigger this registration requirement?

  1. Shipments of certain hazardous materials requiring placards or a shipping paper Correct answer.
  2. Only shipments of empty containers
  3. Only shipments of non-regulated cargo
  4. Only shipments traveling under 50 miles

Explanation

Registration is generally required for carriers that offer or transport certain hazardous materials, including those requiring placarding or specific high-hazard materials. The registration ensures the carrier is identified to regulators.

Question 14Hazardous Materials Regulations and Definitions

A driver is hauling a material that is a poison inhalation hazard. Which placard is required?

  1. Poison Inhalation Hazard Correct answer.
  2. Flammable
  3. Oxidizer
  4. Corrosive

Explanation

Materials that are toxic by inhalation and pose a hazard if released in a confined space require the POISON INHALATION HAZARD placard. This alerts responders to use appropriate respiratory protection.

Question 15Hazardous Materials Regulations and Definitions

A driver is reviewing a shipping paper and sees a material described as 'Hazard Class 3.' Which hazard does this class represent?

  1. Flammable liquid Correct answer.
  2. Radioactive material
  3. Infectious substance
  4. Corrosive material

Explanation

Hazard Class 3 covers flammable and combustible liquids that can ignite and burn. Classes 7, 8, and 6.2 cover radioactive, corrosive, and infectious materials, respectively.

Question 16Hazardous Materials Regulations and Definitions

A driver is transporting a hazardous material and must ensure the shipping paper is accessible. Where should the shipping paper be kept during transport?

  1. In the cab within the driver's reach Correct answer.
  2. Mailed to the consignee in advance
  3. Left at the shipper's office
  4. Locked in the trailer with the cargo

Explanation

The shipping paper must be kept in a location where the driver can quickly retrieve it, such as the cab, so it is available to inspectors and emergency responders. It must remain with the shipment while the material is aboard.

Question 17Hazardous Materials Regulations and Definitions

A driver is hauling a hazardous material and approaches a railroad crossing. Which precaution is required?

  1. Speed up to clear the crossing quickly
  2. Sound the horn continuously and proceed
  3. Follow the vehicle ahead without stopping
  4. Stop and check for approaching trains before proceeding Correct answer.

Explanation

Drivers of vehicles carrying hazardous materials must stop at railroad crossings, look and listen for trains, and proceed only when it is safe. The added weight and hazard of the cargo make a collision especially dangerous.

Question 18Hazardous Materials Regulations and Definitions

A driver is hauling a hazardous material and must park the vehicle. Which practice is generally required?

  1. Park in a safe location away from congested areas Correct answer.
  2. Park under an overpass for shade
  3. Park in a residential driveway
  4. Park on a shoulder near a busy intersection

Explanation

Hazardous materials vehicles should be parked in a safe, secure location away from congested areas, crowds, and fire hazards. Parking near busy intersections or under structures increases risk in an incident.

Question 19Hazardous Materials Regulations and Definitions

A shipper is preparing a hazardous materials shipment. Who is responsible for determining the correct proper shipping name and hazard class?

  1. The shipper offering the material Correct answer.
  2. The mechanic inspecting the vehicle
  3. The consignee at destination
  4. The driver receiving the load

Explanation

The shipper is responsible for correctly classifying the material and preparing the shipping paper and package markings. The driver's role is to verify that the shipment is properly documented and marked before accepting it.

Question 20Hazardous Materials Regulations and Definitions

A driver is reviewing a shipping paper and sees a material listed with a hazard class but no packing group. Which statement best explains this?

  1. Some hazard classes do not use packing groups Correct answer.
  2. The packing group must be added by the driver
  3. The material is not regulated
  4. The shipping paper is always invalid

Explanation

Not all hazard classes are assigned packing groups; for example, some classes and divisions use packing groups while others do not. The absence of a packing group does not by itself mean the material is unregulated.

Question 21Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A driver is hauling a shipment of corrosive liquid in a bulk package. Which shipping document must accompany the load and be within reach while driving?

  1. A bill of lading with no hazard information
  2. A vehicle registration receipt
  3. A weight ticket from the shipper
  4. A shipping paper describing the hazardous material Correct answer.

Explanation

Hazardous materials shipments must be accompanied by a shipping paper that identifies the material, and the driver must keep it within reach while operating the vehicle. General paperwork such as registration or weight tickets does not satisfy the hazmat shipping paper requirement.

Question 22Communication Rules: Shipping Papers, Marking, Labeling, Placarding

Where must the shipping paper be kept while a driver is operating a vehicle carrying hazardous materials?

  1. Filed at the carrier's terminal
  2. Locked in the trailer with the cargo
  3. Within the driver's reach in the cab Correct answer.
  4. Mailed to the receiver in advance

Explanation

The shipping paper must be readily accessible to the driver during transport, typically in the cab within reach. It must also be available to emergency responders at the scene of an incident.

Question 23Communication Rules: Shipping Papers, Marking, Labeling, Placarding

On a shipping paper, how must the basic hazard description of a hazardous material be shown?

  1. In handwriting only
  2. In a highlighted or contrasting color Correct answer.
  3. In ordinary type mixed with other entries
  4. In a separate appendix

Explanation

Hazardous material descriptions on a shipping paper must be printed in a distinctive way, such as contrasting color or highlighted, so they stand out from other entries. This helps responders and inspectors locate the hazard information quickly.

Question 24Communication Rules: Shipping Papers, Marking, Labeling, Placarding

Which item must appear as part of the basic description of a hazardous material on a shipping paper?

  1. The hazard class Correct answer.
  2. The vehicle's odometer reading
  3. The receiver's phone number
  4. The driver's license number

Explanation

The basic description includes the proper shipping name, hazard class, and identification number, plus the packing group where required. Driver and vehicle details are not part of the hazmat basic description.

Question 25Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A shipping paper entry reads: 'UN1203, Gasoline, 3, PG II.' What does the '3' represent?

  1. The packing group
  2. The hazard class Correct answer.
  3. The quantity in gallons
  4. The placard number

Explanation

In the basic description, the hazard class follows the proper shipping name, so '3' identifies this as a Class 3 flammable liquid. The packing group is shown separately as PG II.

Question 26Communication Rules: Shipping Papers, Marking, Labeling, Placarding

What is the primary purpose of placing hazard labels on packages?

  1. To record the date of shipment
  2. To show the package's shipping weight
  3. To indicate the delivery route
  4. To identify the hazard of the material inside Correct answer.

Explanation

Hazard labels communicate the specific hazard class of the material contained in a package. They warn handlers and responders about the risk the contents present.

Question 27Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A vehicle carries a quantity of a hazardous material that requires placarding. When must the placards be displayed?

  1. Only when crossing state lines
  2. Only during nighttime hours
  3. At all times the material is aboard Correct answer.
  4. Only while loading at the shipper

Explanation

Required placards must be displayed on the vehicle whenever the placarded quantity of hazardous material is being transported. They are not limited to loading, state lines, or particular hours.

Question 28Communication Rules: Shipping Papers, Marking, Labeling, Placarding

Which document tells emergency responders what material is involved and how to respond to a spill?

  1. The shipping paper and emergency response information Correct answer.
  2. The vehicle inspection report
  3. The delivery manifest without hazard data
  4. The fuel receipt

Explanation

The shipping paper, together with the required emergency response information, gives responders the material identity and guidance for handling an incident. Other vehicle paperwork does not contain this hazard data.

Question 29Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A driver is reviewing a shipping paper and sees the entry 'RQ' next to the material name. What does 'RQ' indicate?

  1. The material is a reportable quantity Correct answer.
  2. The material is radioactive
  3. The material is refrigerated
  4. The material is returned goods

Explanation

'RQ' stands for reportable quantity and signals that the material meets the threshold for a hazardous substance under environmental reporting rules. It does not describe radioactivity, returns, or temperature control.

Question 30Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A shipping paper lists a material's hazard class but omits the identification number. Why is this a problem?

  1. The number is used only for billing purposes
  2. The number is optional and its absence is fine
  3. The number is only needed for international shipments
  4. The identification number is a required part of the basic description Correct answer.

Explanation

The identification number (such as UN1203) is a required element of the basic description on a shipping paper. Omitting it leaves responders without a key identifier for the material.

Question 31Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A driver is transporting a load that requires placards. The driver notices one required placard is missing from the vehicle. What is the correct action?

  1. Replace the missing placard before moving the vehicle Correct answer.
  2. Proceed and note it on the delivery paperwork
  3. Remove all placards until the load is complete
  4. Cover the remaining placards so they match

Explanation

All required placards must be displayed before the vehicle is operated. A missing placard must be corrected rather than ignored or worked around by altering the others.

Question 32Communication Rules: Shipping Papers, Marking, Labeling, Placarding

Which statement best describes when placards are generally required on a vehicle?

  1. Only when the load exceeds 1,000 pounds
  2. When the quantity of hazardous material reaches the placarding threshold Correct answer.
  3. Only when the vehicle is empty
  4. Only when the material is a liquid

Explanation

Placarding is required when the quantity of hazardous material aboard reaches the level set by the placarding tables. The trigger is based on hazard class and quantity, not weight alone or physical state.

Question 33Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A shipper offers a package for transport. Who is responsible for ensuring the package bears the required hazard labels before it is loaded?

  1. The driver's dispatcher
  2. The shipper Correct answer.
  3. The highway patrol
  4. The receiver only

Explanation

The shipper is responsible for properly marking and labeling packages before offering them for transport. The driver should verify that required labels are present and legible.

Question 34Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A package label is damaged and the hazard class is no longer readable. What should the driver do?

  1. Rely on the shipping paper alone
  2. Refuse the package until it is properly labeled Correct answer.
  3. Load it and note the damage later
  4. Tape over the damaged label

Explanation

Labels must be legible so handlers and responders can identify the hazard. A package with an unreadable label should not be accepted until it is correctly labeled.

Question 35Communication Rules: Shipping Papers, Marking, Labeling, Placarding

The emergency response information that accompanies a hazmat shipment should be:

  1. Stored in the trailer with the cargo
  2. Kept with the shipping paper and available to the driver Correct answer.
  3. Left at the shipper's office
  4. Written only in the driver's logbook

Explanation

Emergency response information must be kept with the shipping paper so it is available to the driver and responders at the scene. It must travel with the shipment, not be left behind.

Question 36Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A driver picks up a load and the shipping paper describes the material but does not indicate the total quantity. Why does this matter?

  1. Quantity helps determine whether placards are required Correct answer.
  2. Quantity is only needed for billing
  3. Quantity replaces the hazard class
  4. Quantity is irrelevant to placarding decisions

Explanation

The quantity of hazardous material aboard determines whether the placarding threshold is met. Without a quantity, the driver cannot confirm that placarding is correct.

Question 37Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A shipping paper shows a proper shipping name, hazard class, and packing group, but the identification number appears in a separate column. Is this acceptable?

  1. No, the number must be omitted
  2. No, the number must follow the shipping name
  3. Yes, if it is clearly associated with the entry Correct answer.
  4. Yes, but only for international shipments

Explanation

The identification number must be clearly associated with the basic description, and a separate column that ties to the entry can satisfy that requirement. Placement rules allow flexibility as long as the association is clear.

Question 38Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A driver is hauling two different hazardous materials, each below its individual placarding threshold, but their combined quantity triggers placarding for the load. What should the driver do?

  1. Display no placards because each material is below threshold
  2. Display the required placards for the load Correct answer.
  3. Display placards for only the larger material
  4. Wait until the next state to placard

Explanation

Placarding decisions can be based on the aggregate quantity of hazardous materials in the load, so combined quantities may require placards even when each material alone is below threshold. The driver must display the placards that the tables require for the total load.

Question 39Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A shipping paper uses an abbreviation for the hazard class instead of the class number. How should the driver treat this document?

  1. Verify that the entry meets required description rules before accepting Correct answer.
  2. Assume the abbreviation means flammable
  3. Reject all hazmat shipments with abbreviations
  4. Accept it, since abbreviations are always allowed

Explanation

The basic description must follow the required format, and the driver should confirm the entry is complete and correct before accepting the load. Not every abbreviation is acceptable, so verification is necessary.

Question 40Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A driver is asked to sign for a hazmat load. Before signing, what should the driver confirm about the shipping paper?

  1. That it includes the driver's home address
  2. That it lists the receiver's tax ID
  3. That it lists the material, hazard class, and identification number Correct answer.
  4. That it is printed on company letterhead

Explanation

Before accepting a hazmat load, the driver should verify that the shipping paper contains the required basic description elements. Personal addresses, letterhead, and tax IDs are not part of the hazmat description.

Question 41Communication Rules: Shipping Papers, Marking, Labeling, Placarding

What must a driver do with shipping papers when leaving the vehicle unattended during a required stop?

  1. Leave them with the receiver
  2. Take them, since they must be within reach Correct answer.
  3. Leave them on the dashboard in plain view
  4. Lock them in the trailer

Explanation

Shipping papers must remain within the driver's reach and accessible, so they travel with the driver when the vehicle is left. Leaving them in the vehicle or elsewhere defeats the accessibility requirement.

Question 42Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A package of a hazardous material is missing its required hazard label. Who should the driver contact first to resolve the issue?

  1. The fuel station
  2. The highway patrol
  3. The shipper Correct answer.
  4. The insurance company

Explanation

The shipper is responsible for properly labeling packages before offering them, so the driver should raise the issue with the shipper. Enforcement and administrative contacts do not fix the labeling.

Question 43Communication Rules: Shipping Papers, Marking, Labeling, Placarding

Which of these is a required element of the basic description on a shipping paper?

  1. The route map
  2. The packing group, when applicable Correct answer.
  3. The trailer's license plate
  4. The driver's medical card number

Explanation

The packing group is part of the basic description when the material requires one. Medical card numbers, license plates, and route maps are not hazmat description elements.

Question 44Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A driver is transporting a material and notices the placard on the vehicle shows a different hazard class than the shipping paper. What is the appropriate action?

  1. Rely on the label alone
  2. Correct the placard to match the shipping paper before moving Correct answer.
  3. Proceed, since placards are decorative
  4. Remove the placard entirely

Explanation

Placards must match the hazard class of the material being transported. A mismatch must be corrected before the vehicle is operated so responders see accurate information.

Question 45Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A driver is hauling a load that no longer requires placards after partial delivery. What should the driver do with the placards?

  1. Cover them with tape
  2. Replace them with warning flags
  3. Leave them on to be safe
  4. Remove them when the material no longer requires placarding Correct answer.

Explanation

Placards must reflect the current load, so they should be removed when the remaining material no longer requires placarding. Misleading placards can cause responders to treat the vehicle for a hazard it no longer carries.

Question 46Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A driver is reviewing a shipping paper and sees the letters 'RQ' printed before a material's proper shipping name. What is the effect of this notation on the shipment?

  1. The shipment is subject to the reporting requirements of a hazardous substance release. Correct answer.
  2. The material may be carried without a shipping paper.
  3. The material must be placarded regardless of the quantity being carried.
  4. The material is forbidden from highway transport and must be refused.

Explanation

'RQ' marks a material as a hazardous substance under environmental reporting rules, which means the shipper and carrier must follow the associated release-reporting requirements. It does not by itself impose placarding or remove the shipping paper requirement.

Question 47Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A driver is preparing to move a vehicle that is carrying a hazardous material requiring placards. Where on the vehicle must the placards be placed?

  1. On the front, both sides, and the rear of the vehicle Correct answer.
  2. On the driver's side door and the rear bumper only
  3. On the trailer's rear doors only
  4. On the hood and the roof of the cab

Explanation

Placards must be displayed on all four sides of the vehicle carrying the hazardous material: front, both sides, and rear. Placing them on only one or two sides leaves responders approaching from other directions without warning.

Question 48Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A driver is loading a trailer that carries a single hazardous material in a quantity that requires placarding. What is the correct way to handle the placards on the vehicle?

  1. Display placards only when the vehicle is parked at a terminal.
  2. Display placards for the material's hazard class on all four sides of the vehicle. Correct answer.
  3. Display only a single placard on the rear of the trailer.
  4. Display a placard only if the load exceeds 5,000 pounds.

Explanation

When a material is carried in a quantity that requires placarding, placards for the material's hazard class must be displayed on the front, both sides, and rear of the vehicle. The weight of the load is not the deciding factor; the placarding tables and the material's hazard class control.

Question 49Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A driver is examining a shipping paper and notices that the basic description lists the proper shipping name, hazard class, and identification number but omits the packing group. For which material is this omission acceptable?

  1. A material assigned to Packing Group III
  2. A material assigned to Packing Group I
  3. A material assigned to Packing Group II
  4. A material for which no packing group is assigned Correct answer.

Explanation

The basic description on a shipping paper must include the proper shipping name, hazard class, identification number, and packing group when one is assigned. For materials that have no packing group, such as many gases, the packing group field is simply left out.

Question 50Communication Rules: Shipping Papers, Marking, Labeling, Placarding

A driver is reviewing a shipping paper for a load of a Class 3 flammable liquid. The paper lists the proper shipping name and identification number but shows the hazard class as '3' with no packing group. The material is one for which a packing group is assigned. What should the driver do?

  1. Refuse the shipment only if the vehicle lacks a Class 3 placard.
  2. Accept the paper because the hazard class and identification number are present.
  3. Accept the paper because packing groups are never required for Class 3 materials.
  4. Ask the shipper to correct the paper to include the packing group before accepting the load. Correct answer.

Explanation

The basic description on a shipping paper must include the packing group whenever one is assigned to the material. A missing packing group makes the description incomplete, and the driver should have the shipper correct it before signing and moving the load.