COUNTY News:

Los Alamos County services such as mail delivery, trash and recycling collection, and emergency services will be maintained for each project detailed below.

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.

Road and Utility Work:

North Mesa & North Community Pavement Preservation Project

• Location: 39th, 37th, 36th, North Mesa Road, San Ildefonso Road, Stoneview Drive
• Date: Through Oct. 24
• Time: Monday through Friday, 7 a.m. to 7 p.m. (weather permitting)
• Impact: Vehicles will not be allowed to park on the roadway during working hours. Flaggers may direct traffic during certain construction events.
• Update as of Oct. 17, 2025
  • Oct. 20 – Pave 36th / Subgrade preparation on 35th 
  • Oct. 21 – Pave 35th / Subgrade preparation on Deer Trail, Deer Court, Terry Lane
  • Oct. 22 – Pave Terry Lane / Subgrade preparation on Deer Trail, Deer Court
  • Oct. 23 -Pave Deer Trail / Subgrade preparation on Deer Court
  • Oct. 24 – Pave Deer Court
• Contact: Public Works Department at 505.662.8150

Pavement markings removal and installation, and curb striping

• Location: Central Avenue: 9th Street, LACU and 20th St. to Oppenheimer
• Date: Through Oct. 20-30
• Time: 7 a.m. to 4 p.m.
• Impact: Flagging operation for crosswalk painting.
• Contact: Traffic & Streets Division at 505.662.8113  
• Location: Central Avenue and 15th Street, other locations
• Date: Through Oct. 31 
• Time: 7 a.m. to 4 p.m. 
• Impact: Traffic cones will be present. Temporary lane closures and flagging operations. 
• Motorists are asked to avoid driving on fresh paint. 
• Contact: Traffic & Streets Division at 505.662.8113

Jemez Mountain Fire Protection Project Water Pipeline Installation

• Location: West Road and Camp May Road
• Date: Through December 2025
• Time: Monday-Friday
• Impact: Camp May Road closed Monday-Friday, and accessible trail heads. Entrance and exit to Camp May is closed and locked from Sunday afternoon until 5 p.m. Friday
• Contact: Customer Care Center at 505.662.8333

Sidewalks and curb and gutter replacement and paving

• Location: Cheryl Avenue and Aragon Avenue
• Date: Through Oct. 30
• Time: 7 a.m. to  4 p.m.
• Impact: Periodic sidewalk and lane closures
• Contact: Traffic & Streets Division at 505.662.8113

ADA Ramp Installation at Pinon Elementary School and Valley Gutter Repair – Piñon School Access Road Construction

• Location: Sherwood at Pinon Elementary School
• Date: Through Oct. 31
• Time: 7 a.m. to 5 p.m.
• Impact: Sidewalk Closure and road work ahead
• Contact: LA Public Schools Project

Crack Sealing

• Location: Ridgecrest, Layton, Catherine, Longview and Bonnie View
• Drive Grand Canyon Drive to N.M. 4
• Date: Oct. 16-24, weather permitting
• Time: 7 a.m. to 7 p.m.
• Impact: Moving flagging operation and temporary lane closures.
• Contact: Traffic & Streets Division at 505.662.8113 

• Location: West Paige Loop Pruitt Avenue in White Rock
• Date: Oct. 17-24 weather permitting
• Time: 7 a.m. to 5 p.m.
• Impact: Moving flagging operation and temporary lane closures.
• Contact: Traffic & Streets Division at 505.662.8113

LANL: Rockfall remediation on East Jemez Road

• Location:  East Jemez Road, by the slopes from mile marker 7 to 7.5
• Date: Through Dec. 2025
• Time: 6 a.m. to 6 p.m., seven days a week
• Impact: 
  • The right-hand truck lane traveling west will be CLOSED for the duration of the project.
  • East Jemez Road (Truck Route) will have a FULL ROAD CLOSURE on the following weekends: Oct. 18-19, 25-26, Nov. 1-2, Nov. 8-9 from Saturday at 6 a.m. through Sunday at 4 p.m.
• Contact: LANL

Special Events:

HALLOWEEKEND: Trick-or-Treat on MainStreet

• Location: Downtown Los Alamos
• Date: Oct. 24
• Time: 3:30-6 p.m.
• Impact: Central Avenue will be closed from Knecht Street to 20th, Main Street will be closed from Central to the roundabout, and 15th will be closed from Iris to Deacon. Detours will be in place.
• Contact: Traffic & Streets Division at 505.662.8113

HALLOWEEKEND: Pumpkin Glow

• Location: Downtown Los Alamos near the Fuller Lodge
• Date: Oct. 25
• Time: Dusk until 9 p.m.
• Impact: Significant increase in pedestrian, bicycle and motor vehicle traffic in the area of Fuller Lodge. Motorists should slow down and watch for pedestrians – including children and pets – especially after dark.
• Contact: Los Alamos Arts Council event

Ongoing Projects:

Projects in process that have not experienced significant changes since the previous report. Click click on the project link below:

• Utility Work on Grand Canyon Continues
• Elk Ridge Natural Gas Pipeline Replacement
• Fencing to be installed around LANL’s Health Research
• Laboratory
• LAFD Hydrant Testing Continues
• Hill Apartments: Realignment of 35th Street at Trinity Drive (N.M.-502) / Pavilion Construction

Department of Public Utilities – Pending Road Work:

• Work to fix roads damaged in the course of underground utility repairs is pending:
• Central Avenue – asphalt
• 42nd, 43rd, Sycamore streets – asphalt
• 122 Aztec Ave. – concrete and asphalt
• Balboa Drive at Grand Canyon Drive – concrete
• Grand Canyon Drive – concrete
• Motel 6, Trinity Drive – concrete
• 7080 West Road – concrete
• 936 & 940 Alamo Road – asphalt