Cone Zone: Week Of Sept. 11, 2023


Public Works Projects

Los Alamos County Public Works staff manages the projects listed in this section through contractors. For more information, email, 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. 

Loma Linda Road Improvements Project

Albuquerque Asphalt, Inc. will continue work on La Tierra Road, La Mirada Circle and will begin work on Loma Linda Drive. The current work includes removal and replacement of targeted concrete driveway aprons, sidewalks and curb and gutter. Construction hours are 7 a.m. to 5:30 p.m. Monday through Friday.

Field crews will be marking areas with spray paint prior to replacement of existing concrete driveways, curb and gutter, and sidewalks. If you see a pink “X” and date painted on your driveway apron and/or concrete adjacent to your property, please plan to relocate your vehicle to the opposite side of the street as work will start the next day. If your property has multiple driveways only one entrance will be closed at a given time. The process of removal and replacement of specific concrete items will take approximately 5-6 days, weather permitting. In cases of delays due to weather, temporary access will be provided.

The Contractor will ensure ingress and egress to residents’ homes as much as possible and coordinate driveway apron reconstruction. In addition, services such as mail delivery, trash and recycling collection, school bus, and emergency services will always be maintained. Motorists and pedestrians are advised to use caution around construction activities and avoid entering the work zone.

The project is scheduled for completion in June 2024 with a winter weather suspension period. Questions/comments call James Malcom with the Public Works Department at 662-8150 or send an email to

DP Road Construction Activity

Contractors for Qualcon Builders (Canyon Walk Apartments) will be constructing a new sidewalk along the north side of DP Road in the vicinity of the Knights of Columbus Hall and repairing sidewalk at various locations along the length of the south side of DP Road the week of Sept. 11. During construction activities, one lane of DP Road may be closed for periods of time. The contractor will have traffic control (flaggers) on-site to direct traffic safely through the work area during these times.  Drivers, pedestrians, and bicyclists are asked to use caution and follow the directions of the flaggers during this work.

Questions/comments: call Keith Wilson with the Public Works Department at 663-1757 or send an email to

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 505-663-8206.  

Concrete Repairs on East Gate Drive Begins Sept. 11

Streets crews will be repairing concrete along East Gate Drive beginning Monday, Sept. 11. There will be sidewalk closures. Crews will assist pedestrians through these closures if needed. Work hours will be 8:00 a.m. to 3:30 p.m. daily until completed.  For more information, call Matthew Salazar at 505-412-5144

Asphalt Patching Continues on 45th and 46th Streets off Urban

Weather permitting, crews will be patching asphalt on 45th and 46th streets off Urban Street. A flagging operation will be in place. Work will continue until completed. Construction hours are 8 a.m. to 3:30 p.m. daily.

Asphalt Patching in the Denver Steel Area/Pueblo Drive

Weather permitting, crews will be patching sections of asphalt in the Denver Steel/Pueblo Drive area beginning September 5. There will be a flagging operation in place. Construction hours are 8 a.m. to 3:30 p.m. daily. For information regarding this project contact Richard Marquez at 505-695-3672.

Right of Way Mowing Continues Countywide

Crews will continue mowing roadway shoulders countywide throughout the week. Work hours are 8 a.m. to 3:30 p.m. daily. Pedestrians and vehicle traffic are urged to watch for warning signs and be aware of potential debris in the area of the mowing operations.

Striping Work Continues on Barranca Mesa

Weather permitting, crews will continue curb painting on Barranca Mesa at the school and on Loma de Escolar. Pedestrians and vehicle traffic are asked to watch for crews, the striping machine, and fresh paint. Work hours are 8 a.m. to 3:30 p.m. daily. For information regarding this project, contact Anthony Lucero at 505-795-3671.

5K Fun Run Sept. 16

Los Alamos County Community Services will be hosting a 5K Fun Run Saturday, Sept. 16 beginning at 8 a.m. and ending at 11 a.m. at Sullivan Field.

The route will begin at Sullivan Field and head south on the west sidewalk along Diamond Drive to West Road and continue along West Road to the water tank, where participants will turn around and return to Sullivan Field. Flaggers and police will be holding traffic at all intersections along the route to allow race participants to move through intersections safely. For questions regarding this event, contact Patrick Holterman at 505-709-8718.

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,, or visit  

Electric Work Nearing Completion on Barranca Mesa

DPU has been replacing primary underground electric lines and conduit at the eastern end of Barranca Mesa throughout the summer. DPU’s linemen will be running pull strings and conductors for the next two weeks, and Paul Parker Construction Company will be paving along Totavi Street. The work is occurring between 410 and 500 Navajo Road and south on Totavi, across the intersection of Totavi and Navajo and then through to the end of the Totavi cul-de-sac. The patience of residents in the area has been greatly appreciated throughout the duration of this project. Wrap-up is expected around the end of the month.  

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.  

Flagging Operation Continues on Sandia Drive, 49th Street and West Trinity Drive

Cablecom, LLC will continue performing aerial/overhead overlash work along the south side of West Trinity Drive, the east side of 49th Street, and the north side of Sandia Drive. There will be a moving flagging operation in place. Weather permitting, work should be completed by Sept. 15. Work hours are 8 a.m. to 5 p.m. daily. For information regarding this project, contact Adrian Rivas at 505-225-5967.

Orange Street Shoulder Work

Cablecom, LLC will continue performing aerial/overhead overlash work on the north side of Orange Street by the Family Strengths Network. The shoulder area will be closed. Weather permitting, the work should be completed by Sept. 15. Work hours are 8 a.m. to 5 p.m. daily. For information regarding this project, contact Adrian Rivas at 505-225-5967.

Utility Work on East and West Trinity Drive Continues

Cablecom, LLC will be pulling cable overhead and underground along the north side of Trinity Drive beginning at 37th St. and continuing toward West Trinity. Weather permitting, this portion of the project will continue through Sept. 15.

There will be a bike lane and sidewalk closure along the southwest corner of Trinity at Diamond Drive. There will also be a sidewalk closure along Diamond at the northwest corner at the intersection of West Trinity. The sidewalk along the north side of Trinity will be closed from 36th Street to the west side of Trinity. Additionally, on Diamond, the northbound lanes and bike lane from the intersection of West Road to Canyon Road may be impacted. The contractor will be attempting to accommodate the bike lane and stage their equipment on private property except for the southwest intersection of West Trinity at Diamond. Field modifications to the bike lanes may be necessary, including possibly having to share the road with motorists.  

For questions regarding this project, contact Javier Gonzales at 505-264-3965.

Sidewalk Closure at 3901 Arkansas September 11

TALA Excavation will be closing the sidewalk and shoulder area along Arkansas Ave. in front of 3901 Arkansas (SW side of Arkansas). Pedestrian traffic should watch for detour signs at the intersection of Diamond Drive and Arkansas. The project will begin Sept. 11 at 7 a.m. and end daily by 5 p.m. The project is anticipated to be completed by September 15. For information regarding this project, contact Tyler Miller at 505-470-0701.

NNSA – Update as of July 28, 2023: Construction Continuing on Phase 2 on Project to Make Improvements to NM 4/East Jemez Road Intersection.

NM Department of Transportation oversees and manages the construction project on NM 4/East Jemez Road.

Crews are also working in both the southeast and southwest quadrants of the intersection on grading and installation of drainage pipeline.

Construction on Phase 2 is expected to last into September, followed by Phases 3 and 4.  The project is expected to be completed in late 2023.

To help reduce congestion, commuters are encouraged to carpool, vanpool, or take one of the many bus options. Atomic City Transit is available for Los Alamos locals, and multiple buses and park-and-ride shuttles currently serve the Laboratory, including the new Pojoaque Express that transports workers directly to TA-35 and TA-55 from the Cities of Gold Casino parking lot. 

LANL employees can visit the Traffic News Hub for the latest information about traffic impediments on-site and en route to the Lab. Find shuttles, the LANL Taxi, vanpools, and more transit information on the LANL Transportation Hub. Community members can visit

During Phase 2, the following traffic impacts will be in place

The southbound right lane of NM 4 is closed. Traffic is shifted to the east, with one lane of traffic open in each direction (north and south) to the intersection of NM 4 and E. Jemez Road.

Traffic on E. Jemez is shifted to the south, with one lane of traffic open in each direction (east and west).

Access to the parking area for the Bandelier National Monument Tsankawi Unit remains closed, with no alternative access provided.

The speed limit throughout the construction area is reduced to 35 miles per hour. PLEASE SLOW DOWN AND OBEY THE SPEED LIMIT.


During construction, all existing travel lanes on NM 4 and E. Jemez Road will remain open during peak travel times – 6:30-8:30 a.m. and 4-6 p.m. Monday-Friday. Any lane closures will occur during non-peak hours and flaggers will direct traffic. All construction is weather permitting and is subject to change without notice.

Motorists are encouraged to slow down and give themselves additional time to reach their destination. More construction phases will follow, with the project expected to be completed in late 2023. 

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