Research Digest, November 2011 issue

Page 1

Research Digest FORWARD ALL REQUESTS TO: The University of Texas at Austin Center for Transportation Research LIBRARY 1616 Guadalupe St. | Suite 4.202 | Austin, Texas 78701 Phones: (512) 232-3126 and (512) 232-3138 Email: ctrlib@austin.utexas.edu

In this Issue:

TxDOT Research Reports Table of Contents Item 1.

Development of a MASH TL-3 Median Barrier Gate (TTI 1002-2)...................................................

1

Item 2.

Laboratory and Field Evaluations of External Sulfate Attack in Concrete (CTR 4889-1)..................

1

Item 3.

Analysis of the Occurrence and Statistics of Hazardous Materials Spill Incidents along Texas Highways and Suggestions for Mitigation of Transport-Related Spills to Receiving Waters (TechMRT 5200-1)...............................................................................................................................

1

Item 4.

Synthesis and Study of the Roadside Vegetation Establishment Process (TTI 5731-1).....................

2

Item 5.

Use of Rational and Modified Rational Method for Hydraulic Design (TechMRT 6070-1)...............

2

Item 6.

Development of Precast Bridge Deck Overhang System : Technical Report (TTI 6100-3)...............

3

Item 7.

Development of Guidelines for Triple Left and Dual Right-Turn Lanes : Technical Report (TTI 6112-1).......................................................................................................................................

3

Item 8.

Treatments to Reduce the Frequency of Freeway Exit Sign Hits (TTI 6120-1).................................

4

Item 9.

Prototype Design for a Predictive Model to Improve Evacuation Operations : Technical Report (TTI 6121-1)...........................................................................................................................

4

Item 10.

Design of Inclined Loaded Drilled Shafts in High-Plasticity Clay Environment (UTA 6146-1).........

5

Item 11.

Work Zone Positive Protection Guidelines (TTI 6163-1)..................................................................

5

Item 12.

Peer Grouping and Performance Measurement to Improve Rural and Urban Transit in Texas (TTI 6205-1).......................................................................................................................................

6

Item 13.

Rural and Urban Transit District Benchmarking : Effectiveness and Efficiency Guidance Document (TTI 6205-P1/P2)...............................................................................................................

6

Item 14.

Landside Freight Access to Airports : Findings and Case Studies (TTI 6265-1).................................

7

Item 15.

Benefits of Public Roadside Safety Rest Areas in Texas : Technical Report (TTI 6267-2)...............

7

Item 16.

Freight Planning for Texas : Expanding the Dialogue (CTR 6297-1)................................................

8

Item 17.

Rapid Field Detection of Sulfate and Organic Content in Soils : Technical Report (TTI 6362-1)......

9

Item 18.

Evaluation and Development of Pavement Scores, Performance Models and Needs Estimates : Phase I Activities (TTI 6386-2)..........................................................................................................

9

Item 19.

Development of the Texas Revenue Estimator and Needs Determination System (T.R.E.N.D.S.) Model : FY 2010 Activities (TTI 6395-TI-2)............................................................

10

Item 20.

Rural Planning Organizations -- Their Role in Transportation Planning and Project Development in Texas : Technical Report (TTI 6483-1).....................................................................

10

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Research and Technology Implementation Office

November 2011


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