FAQs

What is the purpose of the Henderson 215 Project?

The purpose of the Henderson 215 Project is to reduce travel delay, improve regional connectivity, and improve safety by reducing crash rates and replacing deteriorated infrastructure.
Why is the Henderson 215 Project needed?

Clark County and the City of Henderson have experienced significant population growth over the last decade. Between 2010 and 2020, Clark County’s population grew by more than 300,000 residents (an increase of about 20 percent) and the City of Henderson’s population grew by more than 60,000 residents, an increase of about 25 percent (U.S. Census Bureau 2010 and 2020). The regional population is projected to continue to grow. This segment of I-215 currently experiences congestion due to the regional population growth, which has increased current traffic volumes that exceed the roadway’s capacity.
Where is the project located?
What will the project change?
What is a diverging diamond interchange?

Diverging diamond interchanges are often used at intersections located beneath or above freeway bridges. At a diverging diamond interchange, traffic briefly crosses over to the left (opposite) side of the roadway, safely guided by traffic signals at each crossover. This allows vehicles to turn left onto freeway on-ramps without stopping and without conflicting with through traffic.

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What types of signals direct a diverging diamond interchange?
What are the benefits of using a diverging diamond interchange (DDI)?

Improved safety: DDIs have been shown to reduce the number of potential conflict points for drivers, which can lead to fewer accidents and injuries.

Better traffic flow: DDIs can improve the efficiency of left turns, which can reduce congestion and delay for drivers.

More efficient use of space: Because DDIs eliminate the need for dedicated left-turn lanes and traffic signals, they can be a more compact and space-efficient design for intersections.

Lower construction costs: DDIs can be less expensive to build than traditional interchanges, which may require more land and more complex engineering.

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Who is funding the project and how much will it cost?
When will construction start and how long will it last?