Cone Zone Updates

As of November 1, 2025,  construction activity has slowed for the winter months. Most Cone Zone projects have wrapped up for the season; however, a few remain active. View current updates and traffic impacts for road construction projects and special events below.  Click live links for mapped locations and detailed project information. Active projects will be updated as needed.

Essential services—including mail delivery, trash and recycling collection, and emergency response—will continue throughout each project. Residents and businesses may still experience large equipment and construction noise.

Motorists and pedestrians are reminded to use caution, reduce speed near work zones, and follow designated detour routes.

UPDATED February 13, 2026

Road and Utility Work:

Denver Steels Phase II Improvement Project Updates:

Construction activity for the week of February 16, 2026

TLC will continue working on Ridgeway Drive and 35th Street.

NOTE: Vehicles shall be removed from these roads during construction activities. (7 a.m. to 6 p.m., Monday through Friday)

Construction Operations:

- Ridgeway Dr. (between 37th St. and 35th St.)

    · Crews will continue removing sidewalks, curb and gutter.
    · Crews will begin re-grading the roadway.
    · Crews will begin installing curb and gutter.

- 35th St.

    · Crews will continue potholing and trenching for water lines.

    · Crews will continue installing water lines and water services

- Questa Dr.

    · Crews will continue installing water lines and water services

Traffic Control:

· During construction, road closures, lane restrictions, and detours will be in place.

· Follow all work zone signs and exercise caution.

· Access to residents will be maintained.

All questions and concerns should be sent to:

Public Works Department at lacpw@losalamosnm.gov, or call 505-662-8150

Department of Public Utilities at CustomerCare@losalamosnm.gov, or call 505-662-8333

For additional project details, visit the webpage:

Denver Steels Phase II Improvements Project

Water Line Replacement on February 17

A short section of road will be closed on Tuesday, February 17, from 8 a.m. to 5 p.m., between 2130 and 2132 34th Street for a waterline replacement. Traffic control signs will be set to alert drivers to the closure before they reach it.

9th Street Sidewalk Improvement Project Starts February 25

The contractor, Franco Builders, will be in the area performing removal and replacement of sidewalk and curb on 9th Street from Myrtle St. to Iris Street. A partial road closure will be in effect on 9th Street. Parking along the street will not be allowed in the areas of construction.

Construction work will be from 7 a.m. to 6 p.m., Monday through Friday. Residents can expect large equipment, and construction noise. To minimize disruption, the contractor will notify and coordinate with affected residents for certain construction logistics, and traffic changes as work progresses. Services such as mail delivery, trash and recycling collection, school bus, transit, and emergency services will be maintained.

Special Events:

None at this time.

Ongoing Projects:

Elk Ridge Natural Gas Pipeline Replacement

Hill Apartments: Realignment of 35th Street at Trinity Drive (NM-502)/Pavilion Construction

Dept. of Public Utilities - Pending Road Work:

Work to fix roads damaged in the course of underground utility repairs is pending for the following locations. Work is weather dependent and will be completed over several months.

Learn more about utility work impacting the roadway:

Utility Work Impacting Roadways

Learn more about other projects on the County Projects page:

County Projects