Volpe National Transportation Systems Center, Technical Reference Center

FMCSA Safety Program Effectiveness Measurement: Carrier Intervention Effectiveness Model, Version 1.1-Report for FY 2015 Interventions: Analysis Brief

Published:

2019-03-01

Abstract:

The Carrier Intervention Effectiveness Model (CIEM) provides the Federal Motor Carrier Safety Administration (FMCSA) with a tool for measuring the safety benefits of carrier interventions conducted under the Compliance, Safety, Accountability (CSA) e...

File Type:

[PDF - 375.20 KB]

Added:

03/19/2019

FMCSA Safety Program Effectiveness Measurement: Carrier Intervention Effectiveness Model (CIEM), Version 1.1 Report for Fiscal Year 2015 Interventions

Published:

2019-03-01

Abstract:

The Federal Motor Carrier Safety Administration (FMCSA), in cooperation with the John A. Volpe National Transportation Systems Center (Volpe), uses a quantitative model to measure the effectiveness of motor carrier interventions in terms of estimated...

File Type:

[PDF - 795.69 KB]

Added:

03/19/2019

Economic Development and Highway Right-Sizing: White Paper

Published:

2018-11-01

Abstract:

The old “one-size-fits-all” approach to transportation divided communities and left them with gaps in existing transportation and infrastructure. Newer, context-sensitive solutions, like right-sizing, are an innovative approach to addressing this...

File Type:

[PDF - 2.31 MB]

Added:

03/19/2019

ITS Evaluation Framework - Phase 2 Continuation (2009): Seventeen Projects.

Published:

2009-06-01

Abstract:

This report documents the results of applying a previously developed, standardized approach for evaluating intelligent transportation systems (ITS) projects to 17 ITS earmark projects. The evaluation approach was based on a questionnaire to investiga...

File Type:

[PDF - 2.02 MB]

Added:

03/19/2019

Life Cycle of Pavement Preservation Seal Coats

Published:

2005-12-01

Abstract:

The use of preservation seals on asphalt pavements is a crucial part of any effective pavement management program. It is important to optimize the use of available budgets to extend the life of our pavements as much as possible. The nation’s highwa...

File Type:

[PDF - 499.95 KB]

Added:

03/19/2019

Investigation of Steel-Stringer Bridges: Superstructures and Substructures, Volume I

Published:

2007-10-01

Abstract:

There are hundreds of structurally deficient or functionally obsolete bridges in the state of Iowa. With the majority of these bridges located on rural county roads where there is limited funding available to replace the bridges, diagnostic load test...

File Type:

[PDF - 5.24 MB]

Added:

03/19/2019

ISU-FHWA-ACPA Concrete Pavement Surface Characteristics Program Part 2 Preliminary Field Data Collection

Published:

2007-08-01

Abstract:

Highway noise is one of the most pressing of the surface characteristics issues facing the concrete paving industry. This is particularly true in urban areas, where not only is there a higher population density near major thoroughfares, but also a gr...

File Type:

[PDF - 15.59 MB]

Added:

03/19/2019

Improving Capacity Planning for Demand-Responsive Paratransit Services

Published:

2008-04-01

Abstract:

This report proposes and evaluates two ideas for improving efficiency and service quality of paratransit operations. For carrying out this analysis, the authors use data from Metro Mobility, the agency responsible for providing ADA-mandated transport...

File Type:

[PDF - 967.84 KB]

Added:

03/19/2019

Investigation of Low Temperature Cracking in Asphalt Pavements - A Transportation Pooled Fund Study

Published:

2007-10-01

Abstract:

Good fracture properties are an essential requirement for asphalt pavements built in the northern part of the US and in Canada for which the predominant failure mode is cracking due to high thermal stresses that develop at low temperatures. Currently...

File Type:

[PDF - 5.41 MB]

Added:

03/19/2019

Investigation of Early Cracking on Selected JPCP Projects

Published:

2007-12-01

Abstract:

From 1995 through 2000 the department constructed 15 pavement reconstruction projects, totaling 282 lane miles, with jointed plain concrete pavement (JPCP). Five of those projects developed mid-slab transverse cracking shortly after construction. The...

File Type:

[PDF - 2.01 MB]

Added:

03/19/2019

Lateral Distribution in Kansas DOT Steel Girder Bridge with FRP Deck - Final Report

Published:

2005-08-01

Abstract:

The objective of this study is to compare the lateral load distribution (lateral stiffness) characteristics of a 14-girder bridge with corrugated metal decking with asphalt wearing surfaces to the same bridge after the original deck was replaced with...

File Type:

[PDF - 521.12 KB]

Added:

03/19/2019

Investigation of the Performance and Benefits of Lightweight SCC Prestressed Concrete Bridge Girders and SCC Materials

Published:

2009-10-01

Abstract:

Self-Consolidating Concrete (SCC), also known as self-compacting concrete, is a highly flowable concrete that is capable of filling formwork without using conventional vibration techniques while maintaining its cohesiveness. Currently SCC is used in ...

File Type:

[PDF - 7.18 MB]

Added:

03/19/2019

Laboratory Evaluation of Anti-Strip Additives in Hot Mix Asphalt

Published:

2006-11-10

Abstract:

The use of hydrated lime or other liquid anti-stripping agents (ASA) is the most common method to improve the moisture susceptibility of asphalt mixes. However, most laboratory test conditions used to evaluate the moisture susceptibility of the mixes...

File Type:

[PDF - 711.78 KB]

Added:

03/19/2019

Investigation of Pavement Cracking on SR-4 and Demonstration of Multi-Head Breaker in Fracturing Reinforced PCC Pavements Before AC Overlay-Executive Summary Report

Published:

2006-05-01

Abstract:

In 1993, ODOT constructed test sections on State Route 4 (SR-4) to study the effectiveness of Breaking and Seating (B/S) as a rehabilitation strategy for retarding reflection cracking in asphalt overlays of jointed reinforced concrete pavements. Afte...

File Type:

[PDF - 115.39 KB]

Added:

03/19/2019

Investigation of Pavement Cracking on SR-4 and Demonstration of Multi-Head Breaker in Fracturing Reinforced Concrete Pavements Before Asphalt Overlay

Published:

2006-05-01

Abstract:

This report presents the details of a study conducted by Infrastructure Management and Engineering (INFRAME) to review condition of selected break and seat (B/S) and rubblization projects constructed by Ohio Department of Transportation (ODOT), and a...

File Type:

[PDF - 5.28 MB]

Added:

03/19/2019

Investigation of Materials for Thin Bonded Overlays on Bridge Decks

Published:

2007-06-01

Abstract:

Bridges in Kansas are exposed to winter conditions, including deicing chemicals used to keep the roads and bridges clear of ice and snow. These chemicals and water are harmful to the concrete and the steel reinforcing bars used in bridge structures. ...

File Type:

[PDF - 2.66 MB]

Added:

03/19/2019

Laboratory Investigation of Lightweight Concrete Properties

Published:

2011-04-01

Abstract:

Lightweight concrete (LWC), with its reduced weight and improved durability, enables longer spans, fewer piers, and longevity for bridge structures. The current emphasis on upgrading structures makes LWC highly desirable as a construction material si...

File Type:

[PDF - 260.54 KB]

Added:

03/19/2019

Investigation of Vertical Members to Resist Surficial Slope Instabilities

Published:

2007-06-01

Abstract:

This report summarizes the state of the art of using reinforcing structural members to stabilize surficial slope failures. The literature search and review conducted in this study indicated that the use of structural members for stabilizing surficial...

File Type:

[PDF - 3.98 MB]

Added:

03/19/2019

Metallization Failures

Published:

1971-05-01

Abstract:

Metallization-related failure mechanisms are a major cause of integrated circuit failures under accelerated stress and field operations conditions.

File Type:

[PDF - 2.98 MB]

Added:

03/19/2019

Ohio Moves by Rail: Fiscal Year 2009-2010 Performance Report

Published:

2011-01-01

Abstract:

The United States is undergoing a rail revival. More freight and people are moving by rail than at any time in recent memory. The growth of containerized, intermodal freight alone is what some experts see as the first wave in a global increase in fre...

File Type:

[PDF - 3.62 MB]

Added:

03/19/2019

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