NM4 Crossing and Multi-Use Trail Improvement Project

• Project typeMulti-Use Trail (Design and Construction Phase)
• Project value$3,500,000
• Project scheduleDesign Schedule - Completion August 2025
• Contractor nameDesign Firm Bohannan Huston Inc.

A second public meeting will be held on Thursday, November 6, 2025, at 5:30 PM in the Municipal Building Council Chambers.

The Los Alamos County Public Works Department, in partnership with the Transportation Board, invites community members to attend a second public meeting to discuss the New Mexico Highway 4 and Multi-Use Trail Improvement Project and the Piñon School Trail Project.

Residents may participate virtually via Zoom: https://us06web.zoom.us/j/81357060773

For those unable to attend, written comments are welcome through November 20, 2025, please email them to John Stricklan with the Public Works Engineering Division - john.stricklan@lacnm.us.

This project includes the design and construction of both new and reconstructed multi-use trails along the south side NM4 between Sherwood Blvd. and La Vista Dr. within Piñon Park in White Rock. The planned improvements will enhance connectivity and safety for pedestrians and cyclists.

Link to project site plan and map.(PDF, 117KB)

Project Scope

Los Alamos County has received Congestion Mitigation and Air Quality Improvement (CMAQ) funding from the New Mexico DOT for the design and construction of a new multi-use trail along the northside of NM4 and reconstruction of the existing multi-use trail along the southside of NM4 connecting to a new enhanced midblock at-grade crossing across NM4 between La Vista Drive and Sherwood Boulevard in White Rock. The project includes a reduction in lanes to reduce the westbound direction from the existing 2 lanes to 1 and the addition of a Pedestrian Hybrid Beacon (HAWK) to further enhance the midblock crossing. The project includes the construction of a trail network within Pinon Park, County owned open space that will include new trail alignments and reconstruction of selected existing trail alignments originally constructed in the late 1980s where the pavement surface has exceeded its life and is no longer ADA compliant. The project will include approximately 2,500ft of new multi-use trail alignment and approximately 3,500ft of reconstructed multi-use trail alignment along NM4 and within the County owned Pinon Park. The County has obtained an easement from the Los Alamos Public Schools to allow the reconstruction of the existing trail alignment along the west side of Pinon School from Pinon Park to Grand Canyon Drive. In addition the county has received federal construction funding for this piece of the trail network.

This project supports two of Council's Strategic Goals; investing in infrastructure and enhancing communication. This project provides maintenance and improvements to existing infrastructure. The enhancement of communication strategic goal is being accomplished by engaging the public and coordinating citizen involvement and feedback as a key part of the project development process. 

The County Project Team has developed a Public Information/Involvement Plan(PDF, 581KB) to inform and gather input on the project from the community.

Project Timeline

• December 2024 – First Public outreach meeting held in White Rock Link to December 5, 2024 public meeting presentation.(PDF, 6MB)

• February 2025 – Second Public Transportation Board Meeting

• August 2025 – Final Design Complete

• December 2025 – Construction Contract Awarded

• November 2026 – Project Construction Complete

Download the (JPG, 130KB)NM4-Trail-Project-Map.pdf(PDF, 6MB) 

Location

Piñon Park, White Rock NM, White Rock, NM   View Map

35.8243242,-106.2132371

Piñon Park, White Rock NM , White Rock, NM 

Piñon Park, White Rock NM , White Rock, NM 

NM4 Crossing and Multi-Use Trail Improvement Project