Assessing Presence and Impact of REOB (Recycled Engine Oil Bottoms) on Asphalt Project 1.19 Project Summary Asphalt material producers sometimes incorporate Recycled Engine Oil Bottoms (REOB) into paving asphalt in order to alter its performance grade (PG). State Departments of Transportation express concern that REOB decreases pavement lifetime, even though it does not violate the […]
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Detection and Monitoring of Material Aging and Structural Deterioration using Electromagnetic and Mechanical Sensors with Virtual Reality and Machine Learning Modeling Project 3.19 Project Summary The problem we are trying to solve is the detection and monitoring of aging civil infrastructure components and systems in New England by using visual information and subsurface images in […]
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Analysis of MaineDOT Road and Bridge Infrastructure Construction Costs Project 3.20 Project Summary Maine Department of Transportation (MaineDOT) has been experiencing increasing costs in bids received for bridge repair, road paving and other infrastructure construction projects. This was first observed for bridges in the Fall of 2018 and paving in the spring 2019. Moreover, for […]
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Exploring the Safety Impact of Rumble Strips on Prevention ofLane Departure Crashes in Maine Project 1.14 Project Summary Enhancing safety of roadway segments is a critical step towards maintaining durable transportation infrastructures. Due to significant costs associated with construction of roadway segments, redesigning or rebuilding a roadway segment is not always a viable solution for […]
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Incorporation of Pollinator Plantings to Enhance Ecosystem Functions and Durability of Transportation Right-of-Way Infrastructure Project 2.15 Project Summary Highway right-of-ways (ROWs) provide numerous ecosystem services beyond erosion control. Incorporation of native grasses and flowering plants into ROW plantings can further increase the services by providing habitat for endangered native pollinators while improving aesthetics, erosion control, […]
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Determining Layer Thickness and Understanding Moisture Related Damage of State-Owned Roads Using GPR and Capturing Such in a GIS-Based Inventory Project 1.17 Project Summary The Rhode Island Department of Transportation (RIDOT) has a significant inventory of state-owned roads of which layer thickness and moisture related damage is uncertain. Discrete methods of assessment like coring and […]
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Base Projects Investigating the Effectiveness of Enzymatic Stabilizers for Reclaimed StabilizedBase Projects Project 3.13 Project Summary The overarching goal of this project is to evaluate the effectiveness of enzymatic stabilizers in RSB projects in Vermont and the New England (NE) region. The outcomes of this project will assist engineers in (i) determining the appropriate enzymatic […]
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Safety Assessment of New England Roadways during the COVID-19 Pandemic Project 4.11 Project Summary Safety assessment of roadway facilities is a critical task to maintain the system operational efficiency of transportation infrastructure. The comprehensive stay-at-home orders implemented in response to the COVID-19 pandemic have resulted in massive reductions in traffic volumes, especially on major highways. […]
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Road Salt Impact Assessment (Safety Study) Project 4.10 Project Summary The proposed study supports a project sponsored by Maine DOT titled as “Road Salt Impact Assessment.” Winter weather and maintenance treatments have significant impact on highway safety and operations. Understanding the safety impact of these factors directly influence decisions on diminishing maintenance funds, and cost-benefit […]
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Concrete Systems for a 100-Year Design Life Project 2.2 Project Summary The overall objective is to develop a suite of highly durable concrete systems suitable for a range of transportation infrastructure applications, given the range of constituent availability (e.g. appropriate aggregates, supplementary cementitious materials), conventions for structural details, and typical New England exposure conditions ranging […]
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