Transportation

LAN delivers comprehensive transportation engineering and planning services, including roadway, bridge, transit, and multimodal solutions that enhance mobility, safety, and connectivity for communities and agencies.

Night view of a street with light trails from vehicle headlights and taillights, traffic signals, and an overpass with a sign reading 'AUSTIN'.

Highway & Bridges

LAN delivers comprehensive planning, engineering, and design services for highways and bridges, specializing in solutions that enhance safety, mobility, and long-term infrastructure performance.

Services

  • Roadway design

  • Bridge design

  • Feasibility and corridor studies

  • Highway design and construction-phase services

  • Bridge hydraulic analysis and design

  • Drainage and stormwater management

  • Environmental permitting and compliance

  • Construction administration and inspection

  • Utility coordination and right-of-way acquisition

  • Condition assessments and rehabilitation planning

  • Traffic analysis, simulation, and design

  • Pedestrian and bicycle planning and design

  • Public outreach and stakeholder coordination

Project Gallery

  • FM 428 over Pecan Creek Bridge Replacement – TxDOT

    LAN served as Bridge Task design lead for replacing a 2-lane bridge with a 3-span structure, maintaining traffic during construction and addressing scour risks.

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  • Lansing Switch Road over IH-20 Bridge Replacement – TxDOT

    LAN designed a 240-foot prestressed concrete bridge to improve safety and accommodate future expansion, reducing construction time and cost.

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  • Construction workers in safety gear working inside a trench with a large pipeline, while excavators operate on the dirt mound above on a bright, partly cloudy day.

    State Highway 71 Toll Lanes – TxDOT

    LAN designed and constructed toll lanes to improve traffic flow and reduce congestion on a major urban corridor.

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  • HCTRA Beltway 8 East Section 1 – Harris County Toll Road Authority (HCTRA)

     LAN designed 1.7 miles of new tollway and a 2,900-foot, 27-span bridge, completing a critical segment of the Sam Houston Tollway.

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Related Links

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Aerial view of a busy port with warehouses, train tracks, cargo ships, and cranes on the waterfront, with water and a city skyline in the background.

Ports, Marine & Coastal

LAN has been a leader in Ports, Marine, and Coastal engineering since the 1940s, delivering innovative solutions for navigation channels, port facilities, shoreline protection, and coastal restoration along the Texas Gulf Coast and beyond.

Services

  • Navigation channel design and dredging

  • Port and marine terminal planning and design

  • Shoreline protection and coastal restoration

  • Bulkhead, breakwater, and marine structure engineering

  • Coastal and hydraulic modeling

  • Waterfront structural analysis and design

  • Permitting and regulatory compliance

  • Disaster recovery and resiliency planning

  • Environmental and habitat restoration

  • Surveying (topographic, hydrographic, state land)

  • Construction management and inspection

Project Gallery

  • Aerial view of a construction site with two large yellow excavators working on a dirt road, surrounded by trees and open land.

    Galveston Island Bolivar Peninsula Ferry Landing Improvements – TxDOT

    LAN provided design, bid, and construction phase services for the rehabilitation and enhancement of ferry landing slips and maintenance slips damaged by Hurricane Ike, incorporating advanced coastal modeling and resilient materials.

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  • Aerial view of a highway overpass with construction site and large blue drainage pipes laid out on the ground nearby.

    Bayport Container and Cruise Terminal – Port of Houston Authority

    LAN delivered architectural, civil, structural, mechanical, electrical, and plumbing design for new administration and marine emergency buildings, supporting port operations and emergency response.

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  • Construction workers inspecting a large underground pipe being installed at a construction site with heavy machinery including excavators and cranes under a bright blue sky with clouds.

    Perry R. Bass Marine Fisheries Research Center Renovation– Texas Parks and Wildlife

    LAN assessed and master planned the complete renovation of a 50-year-old marine research facility, including hydrodynamic and sediment transport modeling to support new intake structure design.

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  • Coastal Parks Improvements, Padre Balli & IB Magee RV Parks – Nueces County Coastal Parks

    LAN designed and managed construction for park improvements, including ADA-compliant trails, wetland restoration, and enhanced public access to coastal environments.

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  • Bulkhead and Shoreline Stabilization – Aransas County Navigation District

    LAN provided engineering and permitting for bulkhead and breakwater projects to address coastal erosion and protect critical infrastructure.

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Related Links

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Modern elevated train arriving at a train station platform with some people waiting underneath, surrounded by trees and buildings in the background.

Rail & Transit

LAN delivers comprehensive planning, design, program management, and construction management services for rail and transit systems, supporting clients from concept through completion on light rail, commuter rail, bus rapid transit, and intermodal projects.

Services

  • Program management and owner’s representative services

  • General engineering consulting (GEC)

  • Planning and feasibility studies

  • Preliminary and final design

  • Construction management and inspection

  • Rail operations and maintenance facility design

  • Stakeholder and public engagement

  • Quiet zone planning and grade crossing improvements

  • Value engineering and constructability reviews

  • Alternative delivery (CMGC, Design-Build)

  • Rail corridor and utility coordination

  • Station and platform design and upgrades

Project Gallery

  • Aerial view of a construction site in a wooded area, showing heavy machinery installing large pipes and transforming the land.

    DART GEC 3 Light Rail Build Out – Dallas Area Rapid Transit (DART)

    LAN managed the final segment of the Orange Line, connecting DART to DFW International Airport, using a design-build approach to deliver the project four months ahead of schedule and $75M under budget.

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  • Aerial view of construction site with blue pipelines and roads near highway overpass

    DCTA A-Train Commuter Rail System – Denton County Transportation Authority

    LAN provided planning, design, and construction management for a 21-mile commuter rail line, including a new operations and maintenance facility, completed on schedule and within budget.

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  • Construction workers inspecting a large pipeline in a trench, with heavy machinery including excavators and cranes on a bright, partly cloudy day.

    Red and Blue Platform LRT Extension – Dallas Area Rapid Transit (DART)

    LAN program management support for extending platforms at 28 DART stations to accommodate three-car trains, increasing system capacity by 50%.

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  • Sacramento Regional Transit District Blue Line Extension – Sacramento Regional Transit District

    LAN design and construction management for the Blue Line extension, including bridges, structures, and grade separations to improve connectivity to Cosumnes River College.

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  • Valley Rail North Improvement Projects – San Joaquin Regional Rail Commission (SJRRC)

    LAN railroad coordination and design oversight for siding rehabilitations and new track sidings to support expanded commuter rail service.

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Related Links

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An empty car parking lot with green painted areas, yellow parking bumpers, and traffic lights on a bright, sunny day with scattered clouds and trees surrounding the area.

Roadway &
Traffic

LAN delivers comprehensive roadway and traffic engineering services, specializing in the planning, design, and management of urban and rural transportation infrastructure to enhance safety, mobility, and connectivity for communities.

Services

  • Utility upgrades, relocations, and coordination

  • Traffic signal and sign design, signal timing, and traffic operation analysis

  • Traffic studies, simulation, and safety analysis

  • Traffic control plans and construction phasing

  • Bicycle and pedestrian facility design

  • New roadway design and reconstruction

  • Pavement design and rehabilitation

  • Intersection improvements

  • Schematic design and construction sequencing

  • Storm sewer and drainage design

  • Pavement markings and signing

  • Illumination and street lighting

  • Intelligent transportation systems (ITS)

  • Public outreach and stakeholder engagement

Project Gallery

  • An aerial view of a construction site with earth-moving equipment, dirt roads, and scattered trees.

    Walnut Bend Roadway Reconstruction – Westchase District

    LAN full roadway reconstruction with drainage, wider sidewalks, bikeways, and traffic operation improvements to promote redevelopment and improve mobility.

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  • Coers Drive Roadway and Drainage Improvements – City of San Marcos

    LAN designed full-width roadway reconstruction, sidewalks, drainage improvements, and utility replacement to reduce flooding and enhance pedestrian connectivity.

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  • Construction workers in safety vests inspect and work on a large pipeline in an active construction site with excavated soil and heavy machinery, including excavators and cranes, against a bright blue sky with scattered clouds.

    Traffic Signal Synchronization – City of Frisco

    LAN provided on-call traffic engineering services for traffic signal control, ADA ramp upgrades, and construction phase support to improve travel efficiency.

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  • W. Industrial Roadway – City of Cleburne

    LAN designed the reconstruction and widening of a key industrial connector, including storm sewer upgrades and coordination with NTTA and TxDOT.

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Related Links

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