Highway Safety Speed Limits and Common Driving Mistakes

Picture yourself behind the wheel, cruising down a wide, smooth highway as the scenery flashes by. While driving may seem straightforward, highway travel involves numerous critical details that demand attention. Contrary to popular belief, highways aren't just about speed—proper velocity control, maintaining safe distances, and correctly interpreting traffic signs are all essential components of safe travel.

From a legal perspective, highways are defined as "expressways" under road legislation, including both national expressways and specially designated motor vehicle roads that meet specific standards. These roadways feature higher design speeds to accommodate long-distance automobile transportation.

According to traffic regulations, standard passenger vehicles typically face a maximum speed of 100 km/h and a minimum speed of 50 km/h on expressways. These limits apply primarily to main lanes, while acceleration and deceleration lanes connected to them follow slightly different rules.

Traffic laws clearly state that posted speed limit signs take precedence over standard speed regulations. Drivers must obey these posted limits even if they're lower than the standard maximum. Some expressway sections may even permit speeds up to 120 km/h where conditions allow, making constant attention to signage crucial.

Adverse weather conditions like rain, snow, or fog significantly reduce road traction, affecting braking and vehicle control. Drivers must reduce speed accordingly to maintain safety. Additionally, prolonged high-speed driving or nighttime operation can lead to "speed numbness," where drivers lose accurate perception of their velocity—regular speedometer checks help prevent this phenomenon.

Traffic laws emphasize maintaining proper following distances, which vary based on multiple factors including road conditions, tire quality, and vehicle performance. As a general rule, drivers should maintain at least 100 meters distance at 100 km/h on dry pavement with good tires, increasing this distance significantly on wet surfaces or with worn tires.

Different vehicle types face distinct speed limitations on highways. The following table summarizes these restrictions for expressway main lanes without posted speed limits:

• Road Structure: If expressway main lanes aren't divided by direction, standard road speed limits apply instead.
• Towing Regulations: Only vehicles meeting specific towing requirements under traffic laws may tow on expressways.

• Myth 1: "Staying under 120 km/h is always safe." Many sections have lower posted limits that must be observed.
• Myth 2: "Driving at the minimum speed is sufficient." Minimum speeds prevent traffic disruption but don't excuse inappropriate slow driving.
• Myth 3: "Good vehicles can safely exceed limits." Vehicle capability doesn't override the need for proper driving technique and rule observance.
• Myth 4: "Fatigue can be overcome with brief breaks." Drowsy driving significantly increases accident risk—regular, substantial rest periods are essential.

Highway driving demands more than basic vehicle operation—it requires technical skill, safety awareness, and thorough knowledge of traffic regulations. By understanding and applying these principles, drivers can enjoy efficient travel while protecting themselves and others on the road.