Littleton, Colorado Santa Fe & Mineral Improvements Project

Hi, neighbor!

We know that the intersection of Santa Fe Drive and Mineral Avenue is congested, busy, and feels unsafe to travel through.

We’re ready to show you our idea on how to reduce congestion and improve safety for drivers, pedestrians, and bicyclists.

Let's go!
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Room for improvement.

Those who have experienced the Santa Fe Drive and Mineral Avenue intersection know that it is one of the most congested intersections in the City of Littleton. This intersection accommodates nearly 60,000 vehicles per day along Santa Fe Drive and 30,000 vehicles per day along Mineral Avenue.

During peak times, vehicles stack up for over a mile and drivers spend an extra 15 to 20 minutes in their vehicles. It’s not just added travel time that’s an issue. Rear-end crashes are another safety concern during backups.

These traffic volumes will continue to grow as the economy thrives, especially with the new developments planned along the Santa Fe Drive corridor over the next 20 years.

We have an idea

Our innovative solution: A quadrant roadway (aka quad road)

If the intersection remains configured how it is today, delays will get significantly worse given traffic volumes could grow to 115,000 vehicles per day by 2040.

The quad road will accommodate this increase in traffic, minimizing delays and improving safety.

Existing Roadway causes 15-20 minutes of traffic delays and caused 59 crashes in 2017
Future Roadway would reduce crashes and traffic delays by 90%
Tell me more...

Thinking inside a box.

The quadrant roadway (quad road) is a proven and effective way to greatly reduce congestion and improve safety. This solution results in relatively low construction costs and minimal land impacts.

The quad road concept works by shifting left turns away from the main intersection to a new connector road. Eliminating left turns at the main intersection allows more time for vehicles to move through the intersection. The design also allows additional through lanes to be added at the intersection with little to no widening of the road.

View the videos to learn more about moving through the quad road.

Here's how it works:

Northbound Traffic


Southbound Traffic


Eastbound Traffic


Westbound Traffic

To the design!

A design in mind.

Based on the February 2022 Open Littleton survey, a majority of respondents have never heard of this innovative concept and have personally never experienced the drivability and convenience of a quad road. Quad roads have been successfully installed in many states including Kentucky, Illinois, North Carolina, Ohio, Oregon, and Virginia.

The city analyzed what we heard from you, our partners, and other stakeholders over the past several years of planning to help us develop concept designs that will minimize congestion and improve safety. The layout resulting from the concept design phase follows various design standards to make this project a success now and into the future.

Design features:

Click or tap on the map to see an enlarged image.

Map of the future design area
What's next?

Our next steps.

We have a ways to go before the quad road becomes a reality. Here’s where we’re at in the process.

  • 2022

    Final design will be completed.
  • 2023

    Construction is expected to start.
  • 2025

    The new quad road and surrounding improvements will be open!
Great! Anything else?

Let's keep in touch.

Thank you for your involvement in the Santa Fe & Mineral Improvements Project!
Please use the form below to submit your comments or questions to the project team.

Check these out before you go!