South 30th Street Multimodal Improvements Project

30th Street is an important north-south arterial street in the city’s Core Arterial Network (CAN) — Boulder’s connected system of multimodal transportation improvements along the city’s main corridors that will help reduce the potential for severe crashes and make it more comfortable and convenient for people to get where they need to go.

• Core Arterial Network (CAN)

The Low Stress Walk and Bike Network Plan calls for greater separation and protection between vehicle lanes and people biking on 30th Street due to the posted speed limit of 35mph, existing vehicle volumes being greater than 6,000, and the role 30th Street plays as a central and direct route in the city’s bike network.

Once improvements to enhance the bike facility on 30th St are implemented, 30th Street will be designated as a Recommended Crosstown Route. Recommended Crosstown Routes are highlighted on the city's bike map and form the north-south and east-west connections of the low-stress bike network using on- and off-street bike facilities. They connect neighborhood centers, schools, parks, university campuses, and job centers in the city, and can help travelers plan direct and comfortable walking and biking routes across Boulder.

Based on the density of destinations near residential land uses, the Low-Stress Plan also identified Pedestrian Improvement Areas on and near 30th Street between Arapahoe Avenue and Walnut Street, and from Glenwood Drive to Diagonal Highway. These areas were identified for improvements such as new sidewalks, ADA upgrades, new pedestrian crossings, or enhancements to existing crossings. With small changes to make the walking environment safer and more pleasant, more people would likely choose to walk to these destinations instead of drive, supporting travel choices in the city.

• Low Stress Walk and Bike Network Plan

The Safe Streets Report provides an overview of the City of Boulder's efforts to continuously improve transportation safety by measuring traffic crash data and identifying trends in crashes. The 2022 report showed that 67% of traffic crashes resulting in serious injury or fatality occur on these streets, leading to the CAN initiative.

The 2023-2027 Vision Zero Action Plan (VZAP) is a companion to the Safe Streets Report, and identifies additional strategies the city can take to reduce fatal and severe crashes.

Community engagement for the city’s VZAP found that 55% of people reporting travel safety concerns for 30th Street felt unsafe biking, while 27% felt unsafe walking.

The VZAP identified a High-Risk Network (HRN): streets in the city with five or more risk factors for crashes and identified corridor-wide themes and crash patterns. 30th Street south of Valmont Road is on the HRN. Initial work has been done to identify and address the crash patterns on 30th Street, such as adjusting left-turn signal phasing at high-crash intersections. This 30th Street project will identify additional work to address the risk factors and common crash patterns.

• Safe Streets Report
• Vision Zero Action Plan (VZAP)

Boulder's transportation vision is to create a safe, accessible and sustainable multimodal transportation system that connects people with each other and where they want to go. Its goal is to be safe, be equitable, be reliable, provide travel choices and support clean air and our climate commitment.

30th Street is designated as a priority bicycle route and high-frequency transit service corridor, which provides transit service every 15 minutes, in the city’s Transportation Master Plan.

• Transportation Master Plan