CDL Mile

Driving in fog: Mississippi CDL practice questions

Part of the General Knowledge test. We have 3 checked questions on this topic. Here are the key rules, and two to try.

Key facts

Part ofthe General Knowledge test (80% to pass)
Manual section§2.12 Driving in fog
Questions in CDL Mile's bank3

Key rules

  • § 2.12p. 2-28

    The manual's best advice for fog is not to drive in it at all. Get off the road at a rest area or truck stop and wait for visibility to improve.

    Driving in fog

Try two questions

General Knowledge · Driving in fog

You are driving in thick fog and cannot tell how the road bends ahead. What does the manual suggest using as a guide?

Tap an answer to see the explanation and the manual page.

General Knowledge · Driving in fog

You must keep driving through fog in the middle of the day. Which lights does the manual recommend?

Tap an answer to see the explanation and the manual page.

More General Knowledge topics

Medical documentationCDL disqualificationsOther CDL rulesVehicle inspectionBasic vehicle controlShifting gearsSeeingCommunicatingControlling speedManaging spaceSeeing hazardsDistracted drivingAggressive drivers and road rageDriving at nightDriving in winterDriving in very hot weatherRailroad-highway crossingsMountain drivingDriving emergenciesAntilock braking systemsSkid control and recoveryCrash proceduresFiresAlcohol, drugs and illnessHazardous materials rules for all driversInspecting cargoWeight and balanceSecuring cargoCargo needing special attentionAll General Knowledge →

Sources

Mississippi Commercial Driver's License Manual, version March 2025, Mississippi Department of Public Safety. Page references are to its printed page numbers. CDL Mile is independent and not affiliated with Mississippi DPS.

Updated for the March 2025 Mississippi CDL manual. Last checked November 5, 2026.

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