Some Boulder County services returned in-person on a limited basis beginning June 1. Most services are still being offered virtually.

Resources are available for those impacted by COVID-19. For help, submit questions or call 720-776-0822 weekdays (9 a.m.-5 p.m.).

Fire Restrictions were updated on June 2 and remain in effect for western Boulder County. View the flyer and map for more details.

Transportation Standards and Manuals

Transportation Manuals & Design Standards

These documents are created by the Transportation Department and are to be used by residents and builders in unincorporated Boulder County to adhere to adopted standards and guidelines.

  • Multimodal Design Standards – These Multimodal Transportation Standards plan for and implement the goals of the Boulder County
    Comprehensive Plan which supports the provision of high quality transportation facilities and services across all modes to meet the mobility and access needs of all users. The Standards provide direction to effectively and sustainably manage the existing and future transportation
    infrastructure, both public and private, within unincorporated Boulder County.
  • Storm Drainage Criteria Manual – This document provides a uniform set of standards that would be used to guide development and design drainage improvements in order to prevent future drainage problems and enhance the urban and natural environments.

Contact Us

Transportation Department

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2525 13th Street
Boulder, CO 80304

Map & Directions

Hours: 8 a.m. - 4:30 p.m. M-F

Mailing Address

P.O. Box 471
Boulder, CO 80306