Winter driving safety for Denver

Winter driving deserves a place in office safety, even when most of the workday happens behind a desk. For employees at an electrical contracting company, the drive to work, a supply pickup, a trip to another office, or a visit to a project can create exposure to snow, ice, poor visibility, and stranded traffic. A familiar route and a short trip still require preparation.

The most useful winter driving habits begin before the vehicle moves: decide whether the trip should happen, prepare the vehicle, and leave enough time to drive without rushing. On the road, reduce speed, increase space, and make smooth changes. When conditions exceed what the driver or vehicle can handle, delaying or stopping in a safe location is a sound decision.

Snow, limited visibility, and changing traction can affect the entire trip. Photo courtesy of NHTSA; illustrative scene.

Plan for the weather on both ends of the workday

A dry driveway in the morning does not tell you what the drive home will be like. Around Denver, a commute may cross open plains, higher terrain near the Palmer Divide, shaded streets, or foothill routes. Conditions at the office may differ considerably from conditions along the route. Check the forecast for the places you will actually travel, including the expected return time.

Use the National Weather Service Denver and Boulder forecast for weather information and COtrip for Colorado road conditions, closures, restrictions, and cameras. Read the timing of weather alerts and check when camera images were updated. A road camera shows one location at one moment; it cannot establish that the entire route is safe. Recheck conditions before leaving work, particularly when snow, falling temperatures, or strong winds are expected later in the day.

Allow time for clearing the vehicle and driving slowly. Consider the whole day, including school pickup, medical appointments, and errands that could add pressure to keep traveling. If a forecast threatens the commute, communicate early with your supervisor about available options under the company’s actual procedures. A delayed departure, a postponed errand, or approved remote work can remove the need to drive during the worst conditions.

Choose a route you can reassess. Roads that are normally convenient may become poor choices because of hills, drifting snow, limited visibility, or little room to pull off. Navigation software may suggest a shortcut without accounting for the conditions you encounter. Do not bypass a closure on unfamiliar back roads. Identify a safe place off the roadway where you could wait, and be willing to postpone nonessential travel when warnings or conditions make the trip unsafe.

Give tires and vehicle maintenance attention before the storm

Your vehicle’s contact with the road depends on its tires. Inspect all four for damage, uneven wear, and adequate tread. Check pressure when the tires are cold, using the vehicle manufacturer’s recommended pressure on the door placard or in the owner’s manual. The maximum pressure molded into a tire’s sidewall is not the normal inflation target. A low-pressure warning needs attention; adding air does not repair a leak or a damaged tire. NHTSA’s tire guidance explains these checks.

Tire selection matters as well as tread depth. Four appropriate winter tires can improve cold-weather traction when installed and used according to the manufacturer’s guidance. Do not assume that aggressive-looking tread, an SUV body, or an all-wheel-drive badge establishes winter readiness. All-wheel drive can help a vehicle get moving, but it does not remove the need for traction when braking or turning. A vehicle that accelerates easily can still slide through a stop.

Have questionable brakes, a weak battery, an exhaust leak, poor wipers, or a malfunctioning defroster addressed before bad weather. Check lights, coolant protection, and washer fluid rated for the temperatures expected. Keep the washer reservoir supplied; road spray can obscure a windshield quickly. Secure floor mats properly and never stack them where they could interfere with the pedals. These are practical checks for a personal car and for a shared company vehicle.

Keep enough fuel or battery charge to accommodate delays and detours. AAA recommends keeping at least half a tank of fuel. Electric vehicle drivers should allow for reduced range in cold weather, cabin heating, and possible charging delays. Follow the vehicle manufacturer’s winter guidance; preconditioning while plugged in can help preserve driving range. The U.S. Department of Energy provides additional winter EV guidance.

Carry supplies for an unexpected wait

Office clothing may be comfortable indoors but inadequate for a stalled vehicle. Keep a warm coat, gloves, a hat, and suitable footwear available even when the plan is to walk only from the parking lot to the building. A breakdown changes that plan immediately. Blankets and warm layers provide protection without depending entirely on the vehicle’s heating system.

A useful winter kit includes a scraper and snow brush, flashlight, phone charger or charged power bank, drinking water, shelf-stable food, basic first-aid supplies, a small shovel, and traction material appropriate for the vehicle. Plan for essential medication and follow its storage requirements. Include supplies for anyone who regularly rides with you. Keep items secured so they cannot slide into the pedals or become loose objects during a sudden stop.

Know where the supplies are and whether they still work. A flashlight with dead batteries or a scraper buried under boxes provides little help. Shared vehicles need the same attention: confirm the equipment is present before taking the keys. Recovery equipment also requires knowledge. Do not improvise a tow with an unsuitable strap or an unknown attachment point; professional assistance is often the safer choice.

Clear the whole vehicle and keep the view clear

Looking through a small cleared patch of windshield is not enough. Remove snow and ice from the windows, mirrors, lights, and areas around cameras and sensors. Clear accumulated snow from the hood, roof, and other surfaces where it could slide onto the windshield or blow toward another driver. Work from a stable position with suitable equipment; avoid climbing onto slippery tires or door sills to reach the roof.

Clear windows and lights before driving. Snow can obstruct both your view and other drivers’ view of your vehicle. Photos courtesy of NHTSA.

Allow the defroster to work and free frozen wipers before using them. Do not pour hot water onto frozen glass. Keep the inside of the windshield clean and use the climate controls to prevent fogging. If visibility deteriorates while driving, find a safe place to stop and correct the problem rather than continuing with an obstructed view.

Use low-beam headlights in falling or blowing snow, and confirm that the rear lights are illuminated. Daytime running lights may not activate the taillights. Make it easy for others to see you without using high beams that reflect off snow. The National Weather Service’s winter driving guidance emphasizes visibility and changing road surfaces.

Before starting the engine, ensure the exhaust outlet is clear of snow. Never run a gasoline or diesel engine in an attached garage, even with the garage door open. A hybrid can start its engine unexpectedly, so the same concern applies. Move engine-powered vehicles into open air before idling; carbon monoxide can accumulate without a visible or noticeable warning.

Keep office work out of the driver’s seat

A bid deadline, a schedule change, or an urgent project call can follow an office employee into the car. Set navigation, adjust the seat and mirrors, and choose audio before moving. Secure a laptop bag, drawings, and other materials. Wear a seat belt on every trip, and make sure passengers are properly restrained. These habits help keep a sudden traffic problem from becoming a distraction problem as well.

Colorado’s hands-free law restricts holding or manually using a mobile electronic device while driving, including while stopped at a red light or in traffic. Do not read a message or type a reply during a temporary stop. Employment by an electrical contractor does not automatically make an office employee eligible for a utility-worker exception. Follow the law and any stricter company requirements.

Hands-free operation still takes attention. In snow, ice, or poor visibility, end or postpone a conversation so the driving task receives your full attention. A safe response to an office request can wait until you are legally parked in a safe place. A shoulder exposed to moving traffic is not a suitable place to conduct routine business.

Fatigue and impairment also affect driving. A long workday, poor sleep, alcohol, cannabis, or medication that causes drowsiness can reduce your ability to respond. Read medication warnings and arrange another option if you are not fit to drive. Coffee, an open window, and loud music do not substitute for adequate rest. NHTSA provides guidance on drowsy driving and drug-impaired driving.

Let speed and following distance match the conditions

A posted speed limit does not establish a safe speed for a slick road. Drive slowly enough to recognize hazards and respond within the distance you can see. If visibility or traction worsens, reduce speed smoothly and create more space. Other drivers traveling faster do not establish that the road is safe at their speed.

Measure following distance using time, not a fixed number of car lengths. When the vehicle ahead passes a stationary landmark, count the seconds until you reach the same point. AAA Colorado suggests increasing the gap to eight to ten seconds on slippery roads. Treat that as a starting reference, not a guarantee. More space may be necessary on ice, downhill grades, or when visibility is poor. If someone moves into the gap, ease back and rebuild it without an abrupt maneuver.

Leave room when stopping behind another vehicle, especially on a hill. Avoid accelerating toward a red light and then braking hard at the intersection. Look well ahead for brake lights, stalled traffic, turning vehicles, and pedestrians. Early recognition lets you make small adjustments while there is still room available.

Turn off cruise control, including adaptive cruise control, on slippery roads. Driver-assistance systems do not create tire grip, and snow or ice can interfere with their sensors. Keep responsibility for speed, spacing, and steering. Know what your vehicle’s systems can and cannot do; review the owner’s manual before winter conditions demand a quick decision.

Make smooth changes and understand braking

Accelerate gently, brake early, and steer smoothly. Reduce speed before entering a curve so you do not need a large braking or steering change partway through it. Approach hills with a reasonable plan and room to maneuver, while continuing to obey traffic signals and stop signs. Do not carry extra speed through an intersection in an attempt to preserve momentum.

Know whether the vehicle has an antilock braking system, or ABS. During an emergency stop in an ABS-equipped vehicle, apply firm, continuous pressure to the brake pedal and steer as needed; do not pump the brakes. Pedal vibration or noise can be normal when ABS operates. ABS helps prevent wheel lockup, but it cannot guarantee a short stop on snow or ice. Follow the owner’s manual for your specific vehicle.

If a vehicle without ABS locks its wheels, easing brake pressure can help restore wheel rotation and steering control. Because equipment differs, learn the proper technique before an emergency. In an electric vehicle, understand how the manufacturer recommends using regenerative braking or winter driving modes on slippery surfaces; avoid experimenting with unfamiliar settings in traffic.

If the vehicle begins to skid, look toward the path you want to follow, ease off the accelerator, and make gentle steering corrections. Avoid panic inputs and overcorrection. A sweeping rule such as “never brake in winter” is misleading: an urgent stop in an ABS-equipped vehicle still calls for the proper ABS braking technique. Prevention through speed control and space remains the most reliable approach.

Expect ice where the road looks harmless

Black ice can resemble wet pavement. Be especially cautious on bridges, overpasses, shaded areas, and places where melting snow can refreeze. A road that was wet earlier may become icy after temperatures fall. The outdoor temperature display in the vehicle does not measure the surface temperature everywhere ahead of you. National Weather Service winter travel guidance describes these changing hazards.

Treat transitions with care. A clear lane may lead to packed snow near an intersection, an icy bridge deck, or slush between lanes. Slow down before the transition when possible. Avoid unnecessary lane changes, and make necessary ones gradually with plenty of space. Do not test traction with sudden braking in traffic.

A snow squall can rapidly produce whiteout conditions and slick pavement. If a warning affects a planned trip, delay travel when possible. If you can safely leave the road before reaching the squall, do so. If caught in one, reduce speed gradually, use headlights and hazard lights as appropriate, increase following distance, and seek a safe exit. Do not stop abruptly in a travel lane. Read the National Weather Service snow squall guidance before encountering one.

Give snowplows and other road users room

Snowplow operators need space, and their trucks have large blind spots. Stay well back so you can see and so the operator has room to work. Avoid driving through the spray or cloud behind a plow. Do not pass on the right, where equipment and discharged snow can create hazards, and do not squeeze between plows working together.

CDOT’s snowplow guidance explains Colorado’s prohibition on passing public snowplows operating in tandem with their lights activated. The cleared roadway behind the plows is generally the more useful place to be. Gaining a few positions in traffic offers little benefit if it places you on untreated pavement or inside a plow’s working area.

Large trucks need room to stop and maneuver. Stay out of blind spots and avoid cutting closely in front of them. Give pedestrians extra attention near snowbanks, intersections, and transit stops; blocked sidewalks may push people closer to traffic. When approaching a stopped vehicle displaying hazard lights, follow Colorado’s move-over requirements: move over when safe and slow down as required when moving over is not possible.

Finish the trip safely in the parking lot

The drive is not over at the entrance to the office lot. Travel slowly enough to react to someone backing out, a pedestrian hidden by a parked vehicle, or ice near an entrance. Snow can conceal curbs, pavement edges, and other obstacles. Use mirrors and direct observation; a backup camera can be obscured by snow or provide only part of the view.

Park where you can enter and exit safely without blocking cleared walkways, accessible spaces, fire access, or snow removal. Before stepping out, look at the ground. Keep a hand available for support, establish secure footing, and take short, careful steps on slippery surfaces. Wear footwear suited to the conditions and change into office shoes indoors if necessary.

Carry a manageable load that leaves your view of the walking surface clear. Choose cleared routes rather than shortcuts across piled snow or ice. Report slippery areas and damaged lighting through the company’s normal process. OSHA’s winter weather guidance addresses both driving and slip hazards; both matter on the way from the vehicle to the desk.

Treat a work errand as another trip to plan

A quick bank trip, supply pickup, or delivery of documents may feel routine, but it still requires a suitable vehicle, an authorized driver, and current information about conditions. Consider whether the errand can wait or be completed another way. For necessary travel, check the route and return forecast, secure the load, and follow the company’s check-in procedures from a safe parked location.

Before using a shared vehicle, check its tires, visibility, fuel or charge, and essential supplies. Report defects instead of assuming that a short distance makes them acceptable. If an office employee visits a project, confirm the site contact, access route, parking arrangements, and any orientation or protective equipment required. A maintained street does not establish that a site entrance or temporary parking area is ready for a passenger car.

Reassess the drive home as a fresh trip. Changes in weather, traffic, vehicle condition, and fatigue can make the evening journey different from the morning one. Communicate a delay before departure rather than trying to resolve it through calls and messages while driving.

Protect yourself if you become stranded

If the vehicle breaks down or is involved in a crash, move out of traffic if that can be done safely and activate the hazard lights. Call 911 for injuries, immediate danger, a hazardous traffic obstruction, or contact with electrical wires. For a routine breakdown without immediate danger, contact roadside assistance. Give your location, direction of travel, nearest exit or mile marker, and the number and condition of occupants.

In severe winter weather, a stranded vehicle usually provides better shelter and is easier to find than a person walking away. Do not set off into a blizzard to look for help. At the same time, traffic exposure, fire, and other hazards can change the safest choice. Follow emergency dispatch instructions. If remaining inside is safest, stay belted. If a safe exit is necessary and possible, leave on the side away from traffic and reach a protected area. Never stand between the vehicle and approaching traffic.

Keep warm with clothing and blankets, conserve your phone battery, and provide updates when needed. Avoid exhausting yourself by pushing or digging in severe conditions. Do not accept an improvised recovery that puts people in the path of moving vehicles or under tensioned towing equipment. AAA’s roadside emergency guidance explains why the surrounding traffic hazard matters to the decision to remain inside or exit.

Engine use requires particular care. Snow can block the exhaust and allow carbon monoxide to enter the passenger compartment. Check and clear the outlet only if it is safe to do so, use the engine intermittently as needed, and do not run it with a blocked or damaged exhaust. A slightly opened window does not make a blocked exhaust safe. The CDC’s winter storm guidance describes precautions for stranded motorists.

Carbon monoxide has no smell or color. Headache, dizziness, nausea, weakness, or confusion may signal exposure. Stop the engine, call 911, and get to fresh air as safely as the surroundings allow. Do not dismiss symptoms as ordinary tiredness or rely on an open window as the solution. See the CDC’s carbon monoxide guidance.

Treat downed electrical wires as energized

Employees of an electrical contractor may be familiar with electrical hazards, but an office role does not qualify someone to assess a downed line. Never drive over a wire or approach it to see whether it is energized. A line can energize the ground, a vehicle, or other objects without visible sparking.

If a wire contacts the vehicle, stay inside, call 911, and warn other people to stay away. Do not let someone approach and open the door. Wait for the utility and emergency responders to make the scene safe. Leaving the vehicle can create a path for electricity through your body if you touch the vehicle and the ground at the same time.

Only if fire or another immediate danger forces you to leave should you jump clear without touching the vehicle and ground simultaneously. Land with your feet together, then shuffle away with your feet close together; do not run or take large steps. Keep others away. Xcel Energy’s electrical safety guidance explains vehicle contact and emergency escape precautions.

Check Colorado traction requirements before mountain travel

A Denver office employee may occasionally travel west on I-70 for a meeting, project visit, or personal trip. Review CDOT’s current passenger vehicle traction and chain requirements before leaving. Seasonal restrictions apply on I-70 between Morrison and Dotsero from September 1 through May 31, and restrictions can be activated on other state highways when conditions warrant. Follow current road signs and COtrip alerts.

Under CDOT’s updated passenger traction guidance, the tire-based option requires all-wheel or four-wheel drive, qualifying winter, mud-and-snow, or manufacturer-designated all-weather tires, and at least 3/16 inch of tread on all tires. That equals 6/32 inch. Otherwise, the vehicle needs chains or an approved alternative traction device on at least two drive tires. A two-wheel-drive car does not qualify through winter tires alone under the updated guidance. CDOT explains the change in its November 2025 traction law update.

When the Passenger Vehicle Chain Law is activated, every passenger vehicle, including AWD and 4WD vehicles, must use chains or an approved alternative traction device. A road closure means do not enter; equipment does not override it. Carry compatible equipment, know how to install it before the trip, and follow vehicle and device instructions. Use designated chain-up areas or another safe location outside moving traffic.

Check rentals and shared vehicles rather than assuming that an SUV has AWD or suitable tires. Some vehicles have restrictions on chain clearance. Commercial vehicles may be subject to different rules, so confirm which requirements apply to a company vehicle. Legal equipment is a minimum condition for travel, not proof that a route is safe for the vehicle, driver, or weather.

Winter driving safety depends on decisions repeated throughout a trip: checking conditions, maintaining a suitable vehicle, allowing room to stop, and recognizing when travel should wait. For office personnel, that means treating the commute and work errands with the same care given to other workplace hazards. Arriving safely starts with a plan that leaves time and room to change it.