If you’ve ever driven around Boulder, you already know: traffic can be a bottleneck in some very specific places. Between commuters, CU students, cyclists and visitors, certain intersections can feel especially busy during rush hours.
The good news? Most of the old locals have figured out how to navigate around them. Whether you’re new to Boulder or just trying to simplify your daily routine, here’s an overview of some of the city’s busiest intersections and smart ways to get through them.
US 36 and Broadway
Why it’s busy:
This is one of Boulder’s main gateways, serving commuters from Denver and nearby communities. With the CU traffic, it quickly becomes a busy point during the morning and evening rush hours.
Local solution:
If you’re traveling north or south within Boulder, consider taking 28th or 30th Street instead of Broadway. For easier access to downtown, Canyon Boulevard is a better option outside of rush hours.
Arapahoe Avenue and Foothills Parkway
Why it’s busy:
This intersection handles a lot of east-west traffic and connects motorists to Foothills Parkway, making it a popular route for both commuters and school traffic.
Local solution:
Whenever possible, locals choose Baseline Road or Valmont Road to avoid the heaviest traffic. Traveling a little earlier or later than rush hour can also make a noticeable difference.
Parelstraat and 30th street
Why it’s busy:
With shops, restaurants and access to the city center nearby, this intersection sees constant traffic all day long, not just during rush hour.
Local solution:
Using Walnut or Spruce Streets can help prevent backups, especially if you’re going downtown. Many residents also choose to park in this area and do their shopping on foot or by bike.
Baseline Road and Broadway
Why it’s busy:
Near CU Boulder, this intersection is heavily influenced by class times, events and game days.
Local solution:
During busy campus hours, University Avenue or Table Mesa Drive often provide easier access to the area. When CU is in session, carefully timing your travels is more important than the route itself.
Canyon Boulevard and 28th Street
Why it’s busy:
28th Street (US 36) is one of Boulder’s main commercial corridors, and Canyon is a primary east-west route, making this a common delay point.
Local solution:
Locals often choose Arapahoe Avenue or Valmont Road as an alternative, depending on the direction. If you stay local, the neighborhood streets parallel to Canyon can also help you avoid long wait times.
Bonus local tip
Boulder’s traffic patterns aren’t just about cars; bicycles, pedestrians and buses all play a role. Many residents find that combining different modes of transportation (walking, cycling or taking RTD for part of the journey) helps them save time and reduce stress, especially in busy areas.
Living in Boulder means you understand its flow. Once you know where traffic tends to build up and how locals navigate around it, getting around becomes much easier.
If you’re considering a move to Boulder or are looking for insight into how different neighborhoods relate to daily life, local guidance makes all the difference.
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