What is the Difference Between Highway and Expressway?

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The main difference between a highway and an expressway lies in the access control. Here are the key distinctions between the two:

  • Highway: A highway is a high-speed road connecting two or more cities, usually with 4 lanes. It may intersect with side streets and private driveways, and can be lined with businesses, gas stations, parking lots, and private homes.
  • Expressway: An expressway is a divided highway with partial control of access. It may intersect with other roads, and cross-traffic is generally less than on an ordinary road. However, unlike a freeway, expressways may have at-grade intersections and driveways. The purpose of an expressway is to provide a faster and safer roadway experience, with fewer interruptions and more controlled access compared to a regular highway.

In summary, while both highways and expressways are designed for high-speed traffic with higher speed limits, expressways offer a more controlled environment with less access and fewer interruptions, making them safer and more efficient for longer-distance travel.

Comparative Table: Highway vs Expressway

Feature Highway Expressway
Definition A highway is a major roadway that connects different cities, states, or regions. An expressway is a divided highway with limited access points, typically featuring two or more traffic lanes in each direction.
Access Highways can have varying levels of access, including intersections, traffic lights, and direct access to properties. Expressways have controlled access, with on-ramps and off-ramps but no intersections or traffic lights.
Design Highways can have different designs based on local conditions and constraints. Expressways are designed for high-speed traffic, with grade-separated intersections and advanced designs to eliminate steep grades, sharp curves, and other hazards.
Signage Highway signage can vary based on local regulations and conditions. Expressway signage is standardized and designed for high-volume, high-speed motor vehicle traffic.
Tolls Highways can be toll-free or toll-based, depending on the jurisdiction. Expressways are often toll roads, but this is an incidental rather than an essential feature.

In summary, highways are major roadways connecting different areas, while expressways are divided highways with limited access points and design features that prioritize high-speed traffic.