Here’s some need-to-know information for the week:

City begins final Phase 1 safety improvements on Baseline Road with new-to-Boulder protected infrastructure

Beginning as early as Oct. 16, the city will finalize Phase 1 improvements of the Baseline Road Transportation Safety Project, a priority corridor on the Core Arterial Network (CAN). Construction is anticipated to last into early November.

As part of these upcoming improvements, and in direct response to the community's desire for safer, more comfortable and convenient travel, Boulder will be the first city to bring concrete tall curbs to the United States. Tall curbs serve as a form of physical bike lane protection in other North American cities, such as Toronto. On Baseline Road, the tall curbs will replace existing striped buffers or flexible delineator posts at strategic, prioritized locations on the corridor to best meet the travel needs of our community.

The city’s tall curbs will showcase art from a local artist, Talia Swartz Parsell, commissioned through the Community Vitality Office of Arts and Culture muralist roster. View an example photo of tall curbs in action in Canada. In the coming weeks, crews will install these new concrete tall curbs, interim protected intersection elements at the Baseline Road and Mohawk Avenue intersection, and additional roadway striping and flexible delineators, or white posts. Work will add to completed construction thus far, including pavement resurfacing and new roadway striping and delineators. Phase 1 improvements and feedback will help inform more significant Phase 2 changes to be designed starting in 2024.

As we begin to achieve real, tangible results on the CAN, we invite you to continue helping shape Boulder’s key corridors during future community engagement, including the upcoming Oct. 24 Iris Avenue open house.

Traffic impacts will be posted on Cone Zones. For more information, please contact the project planner for both projects, Ericka Amador at, or Director of Transportation and Mobility Natalie Stiffler at


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