ACL, Inc.

Engineering for an Integrated World

Website

About the firm

ACL, Inc. provides transportation consulting engineering services along the Colorado Front Range, focusing on the planning, design, and management of multi-modal systems, roadway infrastructure, and traffic engineering. Its capabilities include roadway engineering, traffic signal design and timing, multi-use path and trail design, ITS field device design, intersection analysis, and construction traffic control. The practice supports public and private sector clients, including the Colorado Department of Transportation, the City and County of Denver, Denver International Airport, the City of Boulder, and Boulder County.

Established
2015
Team
Micro
Firm type
Transportation Engineering

People

Adria LucernaPresident

Chris KrookVice President

Steve SabinashPrincipal Traffic Engineer

Capabilities

Roadway Engineering

Comprehensive roadway infrastructure planning, design, and coordination from initial concepts through project advertisement.

  • Conceptual Planning and Preliminary Design
  • Roadway Design
  • Roadway Widening
  • Intersection Improvements
  • Utility Coordination and Relocation
  • Construction Probable Cost Estimates
  • Constructability Reviews

Traffic Engineering

Analysis, design, and optimization of traffic signals, corridors, safety protocols, and intelligent transportation systems.

  • Traffic Signal Design and Timing
  • ITS Field Device Design
  • Traffic Operations and Safety Analysis
  • Signing and Striping Plans
  • Construction Traffic Control and Phasing Plans
  • Corridor and Access Studies
  • Interchange Feasibility Studies
  • ITS Program Management

Multi-Modal Design

Planning and design of pedestrian, bicycle, and recreational trail networks to support integrated community mobility.

  • Regional and Local Trails
  • Multi-Use Path Design
  • Pedestrian and Bicycle Facilities
  • Pedestrian and Bicycle Signage and Wayfinding
  • Local Agency Coordination
  • Permitting Assistance
  • Public Involvement

Industries

Transportation · Highways & Roads · Government

Projects

Denver Central Business District - Traffic Signal Retiming

Denver, CO · Highways & Roads · 2019 · Client: City and County of Denver

Project details

A comprehensive data collection, modeling, and retiming project for over 200 intersections within the Denver Central Business District diagonal grid. The project addressed degraded operational performance, circulation changes from new bike lanes, and significant traffic volume growth. It maintained progression on numbered streets and major commuter corridors like Colfax and Broadway, while delivering significant improvements on named streets.