Research Projects | Materials and Research | NH Department of Transportation

Project Development > Research Center > Research Projects

GIS Research Project Viewer
This is your source for information on completed transportation research (i.e. projects, experimental features, miscellaneous problem solving). Viewer

Submit a New Research Topic
This is your opportunity to submit an idea(s) for a new research project!
Download a Research Project Suggestion Form in Adobe pdf or Microsoft Word format.
FAQs regarding the research project submission process.

Pool-Funded Projects
Pooled-fund studies enable the New Hampshire DOT to leverage its research funding by partnering with other States and FHWA to address common research needs. New Hampshire is a contributing partner on a number of pooled-fund projects.

NHDOT Research
Select a category below (newest projects are listed first in each category)

Research Projects - Aeronautics
Poster Available Online Report Available
ACTIVE: Unmanned Aircraft Systems (UAS) Program Plan
The Use of Unmanned Aircraft Systems to Increase Safety and Decrease Costs of Transportation Projects and/or Related Tasks
Pavement Paint Study - Implementation of Pavement Marking Paints on Pavements with High-Iron Aggregates
Improve the Quality and Service Life of Water-based Pavement Marking Paints on Pavments with High-Iron Aggregates
Reducing Bird Strike Risk at Portsmouth International Airport through Research on Breeding Upland Sandpiper Habitat
Instrument Landing System (ILS) Feasibility Study for Mt. Washington Regional Airport
Hampton Airfield Preservation Study
Research Projects - Bridges
Evaluation of Thermion SafTrax TH604 Metallizing Coating System
Using Data Analytics to Forecast Future Bridge Conditions
Reducing Cracking in New Bridge Curbs
Gusset-less Truss Connection Physical and Structural Model to Aid Bridge Inspection and Condition Assessment
Structural Support for Tidal Energy Conversion at the Memorial Bridge
Assessment of Cathodic Protection System on I-89
The Future of Rapid Bridge Deck Construction
Transverse Joint Configuration Development and Testing for a Modular Bridge Deck Replacement System
Instrumentation, Digital Image Correlation, and Modeling to Monitor Bridge Behavior and Condition
Estimation of Flood Discharges at Selected Recurrence Intervals for Streams in New Hampshire
Alternative Approach Slab Reinforcement
In-Service Performance Monitoring of a CFRP Reinforced HPC Bridge Deck in Rollinsford, NH
Field Performance Evaluation of Pile Points
Field Evaluation of the Poly-Carb Flexogrid and Stirling Lloyd SafeTrack HW Overlay Systems
Precast Concrete Deck Panel Performance on Long Span, High Traffic Volume Bridges
Concrete Cover Determination using Ground Penetrating Radar (GPR)
Ground Penetrating Radar (GPR) for Delineating Bridge Deck Repair Areas
Ground Penetrating Radar (GPR) to Detect Pre- and Post-Flood Scour in NH
Pier-Scour Measurement Methods and Predictions at New Hampshire Bridge Sites
Fiber Reinforced Polymer (FRP) Demonstration Project and Bridge Deck Test Facility
Bridge Deck Evaluations using High Speed Ground Penetrating Radar (GPR)
Evaluation of an Automated Bridge Anti-Icing System
Research Projects - Construction
Design and Maintenance of Subsurface Gravel Wetlands
Ground Vibrations Emanating From Construction Equipment
Infrared Joint Heating to Reduce Cracking of Longitudinal Joints in Asphalt Pavements
Research Projects - Environment
ACTIVE: Water Quality Test Site and Public Outreach at the I-89 Sutton Rest Area
ACTIVE: Wildlife Vehicle Colllisions Data Gathering and Best Management Practices
Assessment of Embedded Culvert Low Flow Hydraulics
Log Jam Monitoring
Iron Oxide Deposits on Highway Construction Projects
Milldly Contaminated Soil Distribution Assessment
Structural Support for Tidal Energy Conversion at the Memorial Bridge
Validating Pollutant Load Estimates from Highways and Roads
Fingerprinting Sources of Nitrogen in Wells near Blasting Sites
Research-Synthesis of Wood Treatment Alternatives for Timber Railroad Structures
Development and Implementation of an Interactive Stormwater Outreach Model and Related Materials
Biological Control of Purple Loosestrife
Research Projects - Geotechnical
ACTIVE: Use of Drilling Parameters for Enhancing Geotechnical Site Investigations
ACTIVE: Advancing Subsurface Investigations Beyong the Borehole
Use of Smart Rocks to Improve Rock Slope Design
Improved Practices for Determining the Infiltration Characteristics of Soils for Design of Stormwater BMPs
Iron Oxide Deposits on Highway Construction Projects
Rolling Wheel Deflectometer, Falling Weight Deflectometer, and Ground Penetrating Radar on New Hampshire Roadways
Barron Mountain Rock Reinforcement Evaluation
Development of a Geotechnical GIS for Subsurface Characterization with 3D Modeling Capabilities
Integrated Geophysical Methods for Geotechnical Subsurface Investigations
Effectiveness of a Pile Driving Analyzer (PDA) for Determining Pile Capacity in NH Soils
Enhancing Geotechnical Information with Ground Penetrating Radar (GPR)
GIS and the New Hampshire Rock Cut Management System
Research Projects - Maintenance
Crushed Gravel for Shoulder Leveling 304.32
Concrete Slab Jacking
LED Snowplow Lights
Design and Maintenance of Subsurface Gravel Wetlands
Improve the Quality and Service Life of Water-based Pavement Marking Paints on Pavments with High-Iron Aggregates
Research-Synthesis of Wood Treatment Alternatives for Timber Railroad Structures
Perfomance of W-Beam Guardrail after Height Adjustment
Investigation of the Performance of Backing Cameras on NHDOT Maintenance Vehicles
Polyurethane Injection to Stabilize Roadways
Alternative Pavements for Snowmobile Crossings
Evaluation of Alternative Deicing Chemicals vs. Straight Sodium Chloride
New Hampshire Road Weather Information System (RWIS)
Alternate Paint Systems for Overcoating
Evaluation of an Automated Bridge Anti-Icing System
Spring Thaw Predictor & Development of Real Time Sring Load Restrictions
Research Projects - Materials
Reducing Cracking in New Bridge Curbs
Layer Coefficients for NHDOT Pavement Design
Incorporating Impact of Aging on Cracking Performance of Mixtures during Design
Correlation Between Lab- and Plant-Produced High-RAP/RAS Mixtures
Evaluation of Plant Produced RAP Mixtures in the Northeast
Local Calibration of the Mechanistic Empirical Pavement Design Guide (MEPDG) for New Hampshire
Performance of High RAP Pavement Sections in NH
An Evaluation of the Moisture Susceptibility of Warm Mix Asphalt Mixtures
Properties of Asphalt Mixtures Containing RAP
New Hampshire Binder and Mix Review
Investigation of the Performance of Self-Consolidation Concrete in Drilled Shafts
Alternative Pavements for Snowmobile Crossings
Alternate Approach Slab Reinforcement
Application of the Bailey Method to NH Asphalt Mixtures
Field Performance Evaluation of Pile Points
Durability Of Truncated Dome Systems (aka Detectable Warnings On Walking Surfaces)
Durability of Weathering Steel Guardrail
Mitigation of Alkali-Silica Reactivity (ASR) in New Concrete in New Hampshire
New Hampshire's Concrete Aggregate and Alkali-Silica Reactivity - Statewide Assessment of Fine and Coarse Concrete Aggregate
Shrinkage Characteristics of Concretes with Type K Cement, Mineral and Chemical Additives
Frost Susceptibility of Recycled Crushed Glass - Aggregate Mixtures
The Effect of Freeze-Thaw and Frost Heave on Flowable Fill
Research Projects - Pavements
Assessing the Effectiveness of Lower Impulse Loads on Reinforced Asphalt Pavement
Assessment of Asphalt Concrete Reinforcement Grid in Flexible Pvmt
Structural Condition Assessment of Reinforced Base Course Pavement
Pilot Study - Rolling Wheel Deflectometer, Falling Weight Deflectometer, and Ground Penetrating Radar on New Hampshire Roadways
Polyurethane Injection to Stabilize Roadways
Preparation of Rumble Strips Prior to Overlayment
Winter Tenting of (HMA) Highway Pavements
Performance-Related HMA Aggregate Tests (Synthesis)
Resilient Modulus for NH Subgrade Soils/Mechanistic AASHTO Design
Layer Coefficients for NHDOT Pavement Materials
Correlation Between Measured Ride Quality and Mean Panel Ratings
Research Projects - Traffic
Determining a Strategy for Efficiently Managing Sign Retroflectivity in New Hampshire
Experimental Traffic Control Device Testing at New Hampshire Toll Plazas - Purple Lights for E-ZPass Wayfinding
PMMA Retro-Reflective Beads for Traffic Paint
Waterborne Traffic Paints - A Study for the Potential Improvement in Drying Time and Cost-Effectiveness
Crashworthiness of Thin-Walled Aluminum and Steel U-Channel Sign Posts
Research Projects - Mobility
ACTIVE: Bus Stops and Passenger Amenities in Public Highway Right-Of-Ways
Transportation Accounting: Developing Metrics for Project Prioritization
Research Freight Information and Data in NH
Statewide Strategic Transit Assessment Study