County: Cone Zone – Week Of July 25


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Public Works Projects:  

The projects listed in this section are being managed by County Public Works staff through contractors. For more information, please e-mail, call (505)662-8150, or visit the “Projects/Public Works” link at 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. 

Canyon Road Reconstruction

TLC Plumbing and Utility, under contract with the Los Alamos County Public Works Department has begun the first phase of a three-phase road and utility construction project on Central/Canyon Road. Traffic delays are expected. Phase 1 starts on Central/Canyon at Rose St and continues to the western driveway of the Aquatic Center. This segment of work is anticipated to be completed by September 8. 

The staff back driveway of Los Alamos High School will be closed starting Monday, July 25 for a week, the driveway will be removed and replaced. Crews will be working on the sewer main line north of the Los Alamos High School’s practice field.  

Phase 2 will start on Central/Canyon at the Aquatic Center western driveway and continue to 39th St. This work is scheduled between September 8 and October 1. The final phase begins October 1 and will be the section of Canyon between the Aquatic and Nature Centers. Completion of all three phases of the project is scheduled at the end of November 2022.

The Aquatic Center, Canyon Village Apartments, and IHM Catholic Church may be accessed on Canyon Rd traveling east from Diamond. Officials with Public Works ask motorists to please follow detour signs. 

The intersection at Central and Rose St and the intersection at Central and Canyon are closed to through traffic. To access to the United Church, Nature Center and Jewish Center, motorists should use Rose St and Canyon Rd westward from 15th St. 

Sidewalk closures are posted with detour signage to keep pedestrians clear of the work zone. 

According to the Traffic and Streets Division, crews have adjusted the timing sequence of the traffic signals along Diamond to help with traffic flow patterns. Additionally, Atomic City Transit and Park and Ride staff have adjusted bus routes accordingly. Services such as mail delivery, trash and recycling collection, and emergency services will be maintained. 

Construction hours are Monday through Friday 7 a.m. to 5 p.m. Motorists and pedestrians are asked to use caution around construction activities, avoid entering the work zone and obey all work zone signage. Motorists are asked to utilize Trinity as much as possible as the main thoroughfare between neighborhoods and the downtown area.  

The Tennis Courts located on Canyon will be closed during the project, as it will be utilized as an equipment staging area for the duration.

Public Works Officials thank the community in advance for their continued cooperation and patience.

Sherwood Boulevard and Aztec Avenue

Crews with Star Paving Company will continue road and drainage improvements on Sherwood Blvd between Piedra Loop and Aztec Ave.   

Sherwood will be closed to through traffic prior to the intersection of Aztec to Grand Canyon Dr. Residents on Sherwood will be required to enter and exit Sherwood from Grand Canyon. This closure is necessary to facilitate installation of new storm drainpipe.

Closure of Sherwood Blvd from Grand Canyon to Aztec for this first phase of work will continue through the end of July, additional closures for the next phase of roadwork from Longview Dr to Aztec are scheduled to begin Monday, July 25, and the final phase from Piedra Loop to Grand Canyon is scheduled for August 2022.  

Traffic devices and detour signs are in place to help motorists, bicyclists and pedestrians navigate around the work zone.  

Vehicular access is limited to those who reside in the immediate work area and mail delivery, emergency services, trash, and recycling collection. For safety of the traveling public, residents are asked not to or remove or relocate traffic control devices, signs, and barricades. Area residents who may have special access needs are asked to contact the Public Works Department.

Work schedules are subject to change pending weather conditions and any material shipping delays. Work hours are 8:00 a.m. to 5:00 p.m. Monday through Friday.   

Cumbres del Norte Road Improvements 

Star Paving crews continue removal operations of curb and gutter, sidewalks, and drive pads on Camino Medio, as well as from the intersection of Camino Redondo and San Ildefonso Dr heading south for approximately 2,500 feet. The Contractor will also be cold milling asphalt and grading subgrade and basecourse from where Camino Redondo intersects itself, heading south for approximately 2,000 feet, as well as forming and placing sidewalk, curb & gutter, and drive pads throughout the described removal area. Expect contractor personnel and equipment within the area. Please use caution while traveling through the project work zone.

DP Road (Work related to Canyon Walk Apts and The Bluffs – Bethel Development)

A contractor working for Qualcon Builders will continue construction of the remaining sidewalk sections, replacement of broken curb and gutter and clean up and grading along the sides of DP Rd. These activities will impact DP Rd from Trinity Dr to Fire Station #2 with segments of the roadway periodically restricted to one-lane traffic, controlled by a flagger.  One-lane traffic restrictions will occur only during hours of construction potentially from 7:00 a.m. to 7:00 p.m. daily.  

This work in DP Rd is related to the Canyon Walk Apartments and The Bluffs senior housing (under construction). The roadway reconstruction included installation of curb and gutter, sidewalks and paving of the roadway and the bulk of which was completed in the fall of 2021. All remaining construction activities related to the reconstruction of DP Rd are now expected to be completed by the end of July 2022 (weather permitting).

Traffic & Streets Projects:  

The projects listed in this section are being managed by County Traffic & Streets Division staff. Please slow down and use caution within the construction work zones. Call Daniel Blea, Acting Traffic and Streets Manager for concerns, 505-663-8206.  

Vegetation Control on Sidewalks and Trails Leading to Schools

July 25-29 Streets crews will be doing vegetation management on sidewalks and trails that access all schools in Los Alamos. Pedestrians need to work with crews as they are walking along these areas. They will assist you along the work zone. 

Sinkhole Repair at 435 Aster in White Rock

Crews will be repairing a sinkhole in the roadway at 435 Aster in White Rock. Work will begin July 25 at 8:00 a.m. Crews will have a flagging operation in place. Vehicle traffic is urged to slow down and obey all traffic control devices.

School Flasher Preventive Maintenance

Traffic electricians will be performing school flasher preventive maintenance at all schools beginning July 19 through August 8. Work will begin at each site at 9:00 a.m. and end by 3:30 p.m. The work will be primarily done on the shoulder of the roadway. Vehicle traffic may be temporarily interrupted, pedestrian traffic will not be impacted. 

School Zone Curb Painting and Crosswalk Striping Continues 

Crews continue working on painting school zone curbs and will mostly be working on the shoulder. It is not anticipated that traffic or pedestrians will be impeded. Traffic is urged to slow down in all work zones and obey all traffic devices. 

State Road 4 at Grand Canyon Intersection Striping Friday, July 29 at 4:00 a.m.

Crews will be begin at 4:00 a.m. on Friday, July 29 to paint the intersection of State Road 4 and Grand Canyon Dr. Crews will be setting up a flagging operation. Vehicle traffic is urged to slow down in this location and follow all traffic control devices and flaggers.

Turn Lane Arrow Painting on State Road 4 in White Rock 

Starting next week crews will be installing turn lane arrows in White Rock on State Road 4. Crews will set up a flagging operation and may intermittently shift lanes as needed. Vehicle traffic is urged to slow down in this location and follow all traffic control devices and flaggers.  

Non-County Projects:  

The following road construction updates are posted below in the interest of keeping residents informed but are being managed or conducted by others. Please obey all traffic devices and slowdown in work zones.  

Arkansas Ave Concrete Work

TALA Excavation will be working with GM Emulsion to install a new curb cut with valley gutters and handicap ramps at 3901 Arkansas Ave. 

The sidewalks along the southern side of Arkansas will be closed to pedestrian traffic. Pedestrians will cross at the designated crosswalk at Diamond Dr at Arkansas Ave and also at 41st St at Arkansas Ave. Work will be completed by August 1, 2022.

For concerns or questions about the project, please contact Tyler Miller with TALA Excavation at 505-470-0701 

LANL: Bikini Atoll Road

Crews are working near the entrance to the Receiving and Distribution Center at TA03-0030. Expect some delays on Bikini Atoll from 7:30 a.m. to 4:00 p.m. through mid-August. 

LANL: West Road

Posts and cables are being installed along West Rd. Traffic will be reduced to one lane during the day. Traffic signals indicating the one-lane closure will start about 500 feet northeast of Omega Rd and extend about 500 feet west of the reservoir entrance. All traffic should obey the temporary traffic signals and watch for workers. The work is expected to be completed in early July 2022. 

Construction updates are posted on the County website each Friday explaining traffic control to be expected for the following week – click on the Road Construction Quick Link – or click HERE: subscribe to The Cone Zone Newsletter and receive automatic traffic updates via e-mail each week – just visit the “Newsletters” link on the home page and click on “The Cone Zone” subscribe box – or click here: