Transportation

With our multi-disciplined transportation engineering staff, we are able to organize project teams with the specialized experience necessary to successfully design each individual project. Our transportation services include:

• Transportation planning
• Corridor studies
• Traffic modeling and management
• Asset management
• Highway/Roadway planning and design
• Interchange/Intersection planning and design
• Bridge design and inspection
• Sustainability analysis
• Environmental studies
• Intelligent transportation systems
• Traffic calming
• Parking capacity efficiency
• Construction administration
• Traffic studies

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Bridges

We have designed aesthetically pleasing bridges ranging from small pedestrian bridges to multi-span highway structures that carry several lanes of traffic. Our structural engineers have designed:

• County bridges in rural settings
• Bridge replacements on streets in highly urbanized areas
• Highway and interchange bridges
• Pedestrian bridges
• Railroad bridges
• Bridge rehabilitation projects

Our staff is experienced in determining economical bridge sizes and types and we are sensitive to client needs for low-maintenance costs. Our experience includes:

• Structure inventories, appraisals, and load rating
• Concept studies
• Bridge widening
• Bridge repair and strengthening
• Replacement and new structures
• Phasing of construction to accommodate traffic through construction
• Surveying with Global Positioning System (GPS)
• Hydrologic, Hydraulic and scour analysis
• Floodplain studies and FEMA submittals
• U.S. Army Corps of Engineers wetland permitting
• Construction engineering

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Highways and Streets

GBA has designed all types of highway and street projects, including:

• Interchanges
• State and interstate highways
• Rural and urban arterial roadways
• Collector streets
• Residential streets
• County road improvements
• Context sensitive design practice

Our civil engineering staff studies:
• Alignment alternatives
• Utility relocations
• Storm drainage concerns
• Walkability studies

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Traffic Engineering

GBA has an experienced team of traffic engineers and transportation facility planners and designers. Our specialists assist our clients in the planning and designing of safe and efficient traffic systems including:

• Traffic signals and control devices
• Traffic calming design
• Traffic impact and access studies
• Computer modeling and analysis
• Intersection safety and operations
• Parking and terminal facility design
• Roadway and exterior lighting
• Construction traffic control
• Traffic noise studies
• Vehicle classification counts
• Traffic counting capability

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Construction Administration

Our approach is to provide the highest level of service while representing the Client’s interests at all times. GBA provides construction administration for many of our transportation projects. We have LPA certified inspectors on staff and commonly work with state departments of transportation, counties, and municipalities on an as-needed basis. More specifically, we provide the following services:

• Construction Management
• Review contractor submittals
• Review pay requests
• Answer questions during construction
• Construction Observation
• Provide full-time observation
• Provide nuclear density testing
• Provide gradation testing of aggregates
• Staff certified in QA/QC concrete paving
• Staff certified in QA/QC asphalt paving
• KDOT LPA certified
• Structural construction observation services
• ACI certifiedRelated Services
• Surveying
• GIS
• Public Involvement
• 3D Visualization
• Environmental Permitting
• Right-of-Way
• ADA Compliance Planning

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