Cone Zone Updates

Get all the latest updates for projects, road construction, and special events. Click on the project accordions below to see active projects. Click into the project to see how they are progressing and if they will impact you! Active projects will be updated weekly.

Services such as mail delivery, trash and recycling collection, and emergency services will be maintained for each project. Residents and businesses will often experience large equipment and construction noise.

Motorists and pedestrians are advised to always use caution and slow down around construction activities and avoid entering work zones outside of designated detour paths.

Projects are listed under the project management team overseeing them. If you do not see what you are looking for, check the other accordions or feel free to use the search function above. Cone Zone updates are also available on the individual project pages.

Capital Improvement Project Updates

Capital Improvement Projects:

Los Alamos County Public Works' staff manages the projects listed in this section through contractors. For more information, please email lacpw@lacnm.us, call (505)662-8150, or visit the "Projects/Public Works" link at https://lacnm.com/pw-projects Please slow down and use caution within the construction work zones. Please note the below information is based on a schedule provided by the contractors and may change due to weather or other delays.

Updated April 4, 2025

Bathtub Row Reconstruction Project Updates

See the current status of the Bathtub Row Project, including construction updates, maps, images and impacts on the public.

DP Road Phase II Reconstruction Project Updates

See the current status of DP Road Phase II Reconstruction Project , including construction updates and impacts on the public.

Traffic and Streets Project Updates

Updated April 10, 2025

Traffic & Streets projects:

Los Alamos County Traffic & Streets Division staff manages the projects listed in this section. Please slow down and use caution within the construction work zones. Call Daniel Blea, Traffic and Streets Manager, for concerns 505-662-8112.

Night work at NM 502 Roundabout and on Central Ave. Begins April 18

Crews will be painting the crosswalks at the NM-502 Roundabout starting at 2 a.m. April 18. In addition, crews will stripe crosswalks on Central Ave. at 6th St. and Central Ave. at 7th St. Temporary lane closures will be in place with flagging operations. Work is anticipated to be completed by 10 a.m. Contact Aaron Park, Traffic Manager, at 505-709-0949 for questions or concerns.

Sidewalk and Landscaping Work on Central Ave.

Work is almost completed along Central Ave. at the parking lot at Central and 20th St., across from the U.S. Post Office at the orange barricades. The plate cover for the drainage is forthcoming, there are barricades over the opening, but sidewalk is open.

Utilities Project Updates

Utilities Projects

Los Alamos County Dept. of Public Utilities (DPU) staff manages the projects listed in this section. Please slow down and use caution within the construction work zones. Contact the Customer Care Center (505)662-8333, CustomerCare@lacnm.us, or visit ladpu.com/Projects.

Utility Work Impacting Roadways

Planned utility projects, maintenance, and repairs that may impact Los Alamos County roadways are listed here.
(last update: 4/10/2025)

Community Broadband Network Updates

Updated April 10, 2025

No work currently being done.

Non-County Project Updates and Road Impacts

Updated April 10, 2025

Non-County Projects:

The following construction project are not funded by Los Alamos County. Updates are included to keep residents informed of potential traffic impacts. Questions should be directed to the parties identified within each description. Please obey all traffic devices and slow down in work zones.

Longview Drive Road Closure and Construction Begins

WR Land Investment, LLC will begin work on Longview Drive in White Rock. Friday, April 11 at 8 a.m. and continue through September 11. A road closure will remain in place during the entire project. The project includes demolition of existing buildings, installation of infrastructure, and construction of a new subdivision. The winding road adjacent to Longview Drive will be open during the project. If needed, there is a ‘turnaround’ location on the west side of the road closure. For questions or concerns regarding this project, please contact Philip Gurskey at 267-816-0299.

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

Construction activities are almost completed on the south side of Trinity Drive near the new 35th St. intersection. Installation of the Rectangular Rapid-Flashing Beacon (RRFB) at the pedestrian crosswalk will be constructed later in the month. Traffic Control devices will be set up for minor pavement corrections for a limited time periods to protect the workers while both eastbound and westbound lanes will remain open.

Motorists and bicyclists will be asked to share the road when asked. Both sidewalks are open.

All questions, concerns, or special access needs should be sent to Pavilion Construction at 469-907-6045.

LANL PROJECT: East Jemez Road Lane Closure

The right-hand lane of East Jemez Road will be closed this Saturday, April 12, while crews remove traffic barriers from the shoulder. Please be cautious in the area.