Abstract: Change orders are documents that describe a specific contract amendment to the original scope of work. Historical change orders are invaluable information sources that can provide practical and proven solutions for developing ...

Abstract: Contract time determination (CTD) by state DOTs is critical to a typical design-bid-build project due to its profound impacts on stakeholders in various aspects, such as the actual amount of time allocated to the contractor, ...

Abstract: Pipeline condition data collection and assessment is the first step for strategic infrastructure asset management and planning. However, since condition data collection and assessment is a highly expensive and time-consuming ...

Abstract: The inconsistency of data terminology has imposed big challenges on integrating transportation project data from distinct sources. Differences in meaning of data elements may lead to miscommunication between data senders ...

Abstract: State highway agencies invest a large amount of resources in collecting, storing, and managing various types of data, ranging from roadway inventory to pavement condition data, during the life cycle of a highway infrastructure ...

Abstract: Many state transportation agencies (STAs) have adopted alternative contracting methods, including design-build (DB) contracting, to accelerate construction. Although DB has become increasingly common in recent years, very ...

Abstract: Preconstruction services play a vital role in ensuring timely approval of infrastructure funds and successful execution of construction projects. Most state DOTs use simple methods such as a percentage of estimated ...

Abstract: A better understanding of top-down estimating practices and their contribution to budgeting accuracy allows public transportation agencies to allocate limited construction funds more efficiently. This paper builds on a ...

Abstract: Determining a reasonable project duration is one of the most critical activities required by project owner agencies for successful project letting and delivery. Most owner agencies, specifically in the highway sector, ...

Abstract: Cost estimation is critical to a typical transportation project’s development process. Specifically, project owners use cost estimates during the scoping phase to set project budgets for funding approval and cost management. ...