While there is a large number of different interchange types, based on their configuration, four most common interchanges can be singled out: directional, trumpet, cloverleaf and diamond.
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What are the four highway interchanges?
While there is a large number of different interchange types, based on their configuration, four most common interchanges can be singled out: directional, trumpet, cloverleaf and diamond.

Where is the Four-Level Interchange?
The Four-Level Interchange at the junction of U.S. Route 101 (the Hollywood Freeway and Santa Ana Freeway) and State Route 110 (the Harbor Freeway and Arroyo Seco Parkway) is a stunning feat of modern engineering, with a style you might not have time to appreciate as you’re negotiating your lane change.
What is the most common interchange on a freeway?
The diamond interchange is the most common type where a major facility intersects a minor highway. The design allows free-flow operation on the major highway but creates at-grade intersections on the minor highway with the ramps.

What is the largest freeway interchange in the world?
Object Description
Title | World’s Largest Highway Interchange |
---|---|
Caption (back) | World’s Largest Highway Interchange At I-77 & I-70 Cambridge, Ohio. (302 acres) Governor Rhodes officially opened the Interchange Sept. 28, 1965. The cost was over seven million and has 16 miles of roadway. |
How many levels are there in freeways?
The player has nine levels to start off with and more levels (up to 72) are unlocked as the game continues.
Who designs highway interchanges?
Engineers
Engineers design highway interchanges to keep cars as safe as possible, which means not making them have to cross lanes of traffic or come to a stop as they move from one highway to another. Before engineers plan the construction of these interchanges, they must figure out how the roadways will connect to each other.
What city has the most freeways?
Kansas City MO
Also see: Traffic Volumes & Highway Capacity Daily Travel & Highway Capacity per Capita
Rank | Urban Area | Freeway Lane Miles per 1,000 Population |
---|---|---|
1 | Kansas City MO-KS | 1.241 |
2 | Fort Worth TX | 0.894 |
3 | Dallas TX | 0.885 |
4 | St. Louis MO-IL | 0.883 |
What is the best highway interchange?
The stack interchange, sometimes known as a butterfly interchange, is arguably the most efficient interchange design in the world.
Whats the worst interchange in the world?
The Harry Pregerson Interchange, Los Angeles The Harry Pregerson Interchange is a concrete jungle, with 130-foot tall pillars, a huge number of off-ramps and lanes and a light rail route, plus the freeway.
What is the meaning of freeways?
1 : an expressway with fully controlled access. 2 : a highway without toll fees.
What state has the best freeways?
The top 10 states with the best roads and highways include:
- #1. Kansas. Thanks to its recent funding increase and overall improvements, the great state of Kansas lands at the top of our list.
- #2. Alabama.
- #3. North Dakota.
- #4. Kentucky.
- #5. Florida.
- #6. Idaho.
- #7. New Hampshire.
- #8. Georgia.