There are numerous advantages to expressway driving over two-lane roads.
One of those advantages is:
a) Supports higher traffic volume
b) Allowing intersecting traffic
c) Pedestrians and bicyclists are allowed to travel on expressways
d) Supports less traffic
The correct answer and explanation is:
The correct answer is a) Supports higher traffic volume.
Expressways, also known as freeways or highways, are designed to accommodate a high volume of traffic with fewer interruptions than two-lane roads. This is one of their key advantages. Here’s why:
1. Lane Capacity: Expressways typically have multiple lanes in each direction, which increases the road’s capacity to handle more vehicles simultaneously. This contrasts with two-lane roads, which have one lane in each direction and can quickly become congested when traffic volume increases.
2. Limited Access: Unlike two-lane roads, expressways have limited entry and exit points, reducing the frequency of stops and turns. This helps to keep traffic flowing smoothly, which allows for higher traffic volumes to move without delays.
3. Design Features: Expressways are specifically engineered for higher speeds and efficiency. They have wider lanes, longer on-ramps and off-ramps, and fewer intersections or points of conflict. These features allow for continuous movement, unlike two-lane roads, where intersections, stoplights, and crossings can significantly slow down traffic.
4. Traffic Flow Management: The design of expressways usually includes barriers or dividers that separate opposing directions of traffic, reducing accidents caused by head-on collisions. Furthermore, expressways often feature signs and lights to manage traffic flow and reduce congestion during peak times.
While options b), c), and d) may be factors in other types of roads, expressways are specifically designed to manage higher traffic volumes, making option a) the most accurate. By supporting a larger flow of vehicles, expressways reduce bottlenecks and enhance transportation efficiency, which is vital for both commuters and goods transportation.