|  | 
      |  | 
    
      |  | Evaluation of Service Life of Noise Barrier Walls in Illinois | Dianne H. Kay, PE, Susan M. Morgan, Ph.D, PE,
 S.N. Bodapati, Ph.D, PE
 | 
    
    
      |  | Propagation of Sound and Related Shadow Zones:  The Reality of Field Measurements versus Modeled Projections | Ken Campbell | 
    
    
      |  | Specifications and Bureaucracies Live Forever |  | 
    
    
      |  | The Noise Barrier Construction Forecast | Cindy Thomas - LEAP Associates International | 
    
    
      |  | TNM Tips | Bill Bowlby | 
    
    
      |  | 
    
      |  | Book Review - Environmental Noise Barriers: A guide to Their Acoustic and Visual Design | Win Lindeman | 
    
    
      |  | So Off We Went to New York City | Soren Pedersen | 
    
    
      |  | Summary of Presentations at the TRB A1F04 Summer Meeting |  | 
    
    
      |  | Value-based Optimization Procedures for FHWA Traffic Noise Model | Paul Burge | 
    
    
      |  | 
    
      |  | Big Gus is Back in Town | El Angove | 
    
      |  | January 1999 TRB Minutes | Gregg Fleming | 
    
      |  | Promises, Promises | El Angove | 
    
      |  | The Lone Ranger | El Angove | 
       | TNM Tips | Bill Bowlby |  | TRB A1F04 Committee Summer Meeting | Rudy Hendriks | 
      |  | 
    
      |  | Federal Highway Administration Traffic Noise Model (FHWA TNM) Look-up Tables - July 1998 | Cynthia S.Y. Lee | 
    
      |  | The 1998 Summer conference of the TRB A1F04 Committee on Transportation-Related Noise and Vibration | Gregg Fleming | 
    
      |  | The Noise Barrier Construction Forecast | Cindy Thomas - LEAP Associates International | 
    
      |  | The Year 1999 is Here | El Angove | 
    
      |  | TNM Tips | Bill Bowlby | 
    
      |  |  | 
    
      |  | Barrier Grief | Bruce Feit and Thomas W. Smoot | 
    
    
      |  | How to Build Soundwalls That Look Like a Million Dollars, Last Forever, Don't Break, Rust, Rot or Bust the Budget | George Southworth | 
    
    
      |  | New Noise Walls Protect Minnesota Neighborhoods |  | 
    
    
      |  | Texas DOT Has 42 Noise Barriers in the Houston District, and More in the Works |  | 
    
    
      |  | TNM Tips | Bill Bowlby | 
    
    
      |  |  | 
    
      |  |  |  | 
    
    
      |  |  | 
    
      |  | Concrete Solutions Inc. Launches New Product Line World Wide |  | 
    
    
      |  | Federal Highway Administration Announces Release of Traffic Noise Model (FHWA TNM) |  | 
    
    
      |  | Pima Freeway 101 Sound Wall, Scottsdale, AZ - An 8-Mile Long Work of Art Under Construction | Dana Scott | 
    
    
      |  | The 1998 Summer Conference of the TRB A1F04 Committee On Transportation Related Noise and Vibration |  | 
    
    
      |  | The 20th Anniversary of the First Real Noise and Vibration Conference |  | 
    
    
      |  |  | 
    
      |  |  |  | 
  
    
      |  |  | 
    
      |  |  |  | 
 
  
    
      |  |  | 
    
      |  | New York State Department of Transportation is First to Install U.S. Gypsum's UltraScreen Sight and Sound Screen System | Marty Duffy | 
  
    
      |  | The Noise Abatement Customer - A Psychological Understanding | Eugene J. Miller | 
  
    
      |  | The Noise Barrier Construction Forecast | Cindy Thomas - LEAP Associates | 
  
    
      |  |  | 
    
      |  | Economical Shelter Concept Cuts Airport Noise |  | 
    
    
      |  | Honk if you Love/Hate the Wall | Bruce Lambert | 
    
    
      |  | Measuring sound Absorption of Traffic Noise Barriers | J.S.Bradley, J.D. Quirt and
 J.A. Birta
 | 
    
    
      |  | Sound Frequency Transformation Generated by Surface Gaps and Edge Diffraction | Sunny Wai and Frank Hogson
 | 
    
    
      |  |  | 
    
      |  | 1997 Florida Noise Barrier Status Report | Win Lindeman | 
    
    
      |  | A Day in the Noise Study of a Highway in Florida |  | 
    
    
      |  | Abstracts of the Professional Papers |  | 
    
    
      |  | The Retirement of Harvey S. Knauer | James Byers | 
    
    
      |  |  | 
    
      |  |  |  | 
    
    
      |  |  | 
    
      |  | A Sound Design Mitigates Noise on Rt. 581 |  | 
   
    
      |  | Environmental Excellence Award Nomination for Noise Abatement |  | 
   
    
      |  | Environmental Research Needs in Transportation | Jon Williams | 
   
    
      |  |  | 
    
      |  | Environmental Research Needs in Transportation | Jon Williams | 
    
    
      |  | FHWA Traffic Noise Model, Version 1.0 - Part VI - A Continuing Series | Cynthia S.Y. Lee, Gregg G. Fleming, Robert E. Armstrong, and Steven A. Ronning | 
    
    
      |  | Noise Source Height Research Project Completed | Win Lindeman | 
    
    
      |  | Parallel Barrier Engineering | Edward P. McNair | 
    
    
      |  | Summary of Noise Barriers Constructed by End of 1995 |  | 
    
    
      |  |  | 
    
      |  | Federal Regulations and Other Activities in Noise Control | Robert L. Miller | 
    
    
      |  | Highway Traffic Noise Barrier Construction Trends |  | 
    
    
      |  | HITEC Panel Evaluates New Sight and Sound Screen System from U.S. Gypsum Company |  | 
    
    
      |  | Traffic Noise Along New Interstate 49 Reduced by Sound Fighter Noise Barrier |  | 
    
    
      |  |  | 
    
      |  | Directory of Consulting Engineers Who Subscribe to The Wall Journal |  | 
    
    
      |  | Noise Abatement Wall Basics | Tianjia Tang and Win Lindeman | 
    
    
      |  | Soundcore - A new Product Profile | Fary Figallo | 
    
    
      |  | The British Form a Noise Barrier Association - Food for Thought? |  | 
    
    
      |  | The Second 12 Issues |  | 
    
    
      |  |  | 
    
      |  | Aircraft Community Noise Impact Model (ACNIM) | Eric Stusnick and Xin Zhuang | 
    
    
      |  | Validation of Aircraft Noise Models at Lower Levels of Exposure | Juliet Page and K. Plotkin | 
    
    
      |  | NASA Advanced Subsonic Technology Noise Reduction Program | Frank Jones | 
    
    
      |  | Sound Phenomenon from the Mayan Ruins | Roger Wayson | 
    
    
      |  | Green Sound, Green Noise and Analytic Standards | Frank Hodgson | 
    
    
      |  |  | 
    
      |  | Engineer Crafts Innovative Mitigation Program - New Rocedures Re-Define Noise Mitigation Criteria | Remelus Maximus, PE | 
    
    
      |  | Massachusetts Turnpike Authority Completes First Noise Barrier Installation | John K. Hendrickson, PE | 
    
    
      |  | Noise Wall Materials Comparison Matrix - Updated | David R. Freudenrich | 
    
    
      |  | The 1996 Florida Noise Barrier Status Report | Win Lindeman | 
    
    
      |  |  | 
    
      |  | Absorptive vs. Reflective Costs of Noise Barriers - A Tempest in a Teapot | Boone Bucher | 
    
    
      |  | Another Response to "To Absorb or not to Absorb" | Edward P. McNair | 
    
    
      |  | FHWA Traffic Noise Model, Version 1.0 - REMEL Data Base | Cynthia S.Y. Lee, Gregg G. Fleming, Robert E. Armstrong, Steven A. Ronning and Grant S. Anderson | 
    
    
      |  | FHWA Traffic Noise Model, Version 1.0: Introduction to its Capabilities and Screen Components | Grant S. Anderson, Christopher W. Menge, Christopher F. Rossano, Robert E. Armstrong, Steven A. running, Gregg G. Fleming And Cynthia S.Y. Lee | 
    
    
      |  | On The Durability of Concrete Noise Barrier Products | Soren Pedersen | 
    
    
      |  | SoundTrap Approved for Use by Japan Ministry of Construction | Boone Bucher | 
    
    
      |  | The Real Problem with NRC | David A. Collings, PE | 
    
    
      |  | To Absorb or Not to Absorb - How Much Does Absorption Cost? | Gary Figallo | 
    
    
      |  |  | 
    
      |  | New Jersey Inventor Receives Patent for Vertical Barrier With Tilted Faces |  | 
    
    
      |  | Salvaged Highway Noise Barrier Finds New Home in Community Sports Field in Pennsylvania |  | 
    
    
      |  | Sound_Absorptive Barriers - A Case History of Weatherability on Two Projects | E.A. Lamberson, PE. | 
    
    
      |  | The Compleat Scientific Observer - A Man Who Knew His Own Mind |  | 
    
    
      |  | The Very High NRC Problem | Edward P. McNair | 
    
    
      |  | To Absorb or Not to Absorb - That is the question | Rudy Hendriks | 
    
    
      |  | Wood Noise Walls Protect Neighborhood from Noisy Rail Yard |  | 
    
    
      |  |  | 
    
      |  | New Light_Transmitting, Sojund Absorbing Highway Noise Barrier | Rod Kotter | 
    
    
      |  | On the Florida Front | Win Lindeman | 
    
    
      |  |  | 
    
      |  | A Sense of Place | Domenick Billera | 
    
    
      |  | Consutant Prepares Noise Barrier Comparison Matrix for Use in Design of Highway Noise Mitigation Projects | David Freudenrich | 
    
    
      |  | HITEC Begins Work on Numerous Projects | Peter Kissinger, Becky Mattes and David Reynaud | 
    
    
      |  | Illinois Roll Road Utilizes Recycled Tires in New Sound Barrier Project |  | 
    
    
      |  | Industrial Acoustics Company and DiGeronimo, P.A. Announce Engineering and Architectural Noise Control Association |  | 
    
    
      |  | The Acoustic Phenomena of the Temples at Chichen Itza - A Reader Looks for Answers in Cyberspace | Wayne Van Kirk | 
    
    
      |  |  | 
    
      |  | Noise Testing of Wheel Vibration Absorbers and Mass Transit Vehicles - The Engineering Report | Richard B. Weiss | 
    
    
      |  | One Consultant's Checklist for Conducting a Public Meeting on Highway Noise | James P. Cowan | 
    
    
      |  | Regional Municipality in Canada Sets Noise Control Guidelines for New Developments Adjacent to Existing and Proposed New Roads and Transitways | Max Bork | 
    
    
      |  | Standardization of Aircraft Noise Insulation Measures Without Compromising Results | Dana Hougland and Michael B. Barnhardt | 
    
    
      |  | Summaries of Professional Papers |  | 
    
    
      |  |  | 
    
      |  | A Sound-Absorptive Traffic Corridor - The I-80/94 Borman Expressway in Indiana - A Case Study | E.A. Lamberson, P.E. | 
    
    
      |  | European Standardization for sound Barriers | Bernard Duconge | 
    
    
      |  | Insertion Loss Performance of Road Noise Barriers | K.R. Fyfe and C.C. Harrison | 
    
    
      |  |  | 
    
      |  | New FHWA Model and Software - Part IV | Cynthia S.Y. Lee, Gregg G. Fleming, Robert E. Armstrong, Steven A. Ronning and Grant S. Anderson | 
    
    
      |  | Noise Barrier Construction Forecast | LEAP Associates | 
    
    
      |  | Noise From Virginia | Cary B. Adkins | 
    
    
      |  | The Use of Earth Berms in Noise Barrier Construction | John K. Hendrickson, P.E. | 
    
    
      |  |  | 
    
      |  | A Report: "Performance Evaluation of Experimental Highway Noise Barriers." | Gregg G. Fleming and Edward J. Rickley | 
    
    
      |  | Barriers on Bridges - A Case History | Jim Amendsen, P.E. | 
    
    
      |  | Highway Traffic Noise Barrier Construction Trends |  | 
    
    
      |  | HITEC Opens Its Doors to Innovative Highway Products | Peter Kissinger | 
    
    
      |  | Noise Study for "Down Under" | Bela Schmidt | 
    
    
      |  | Noise Wall construction Continues in Florida | Win Lindeman | 
    
    
      |  | Nonlinear Feedback in the Conversion of Sound | Frank Hodgson | 
    
    
      |  |  | 
    
      |  | Highway Traffic Noise Barrier Construction Trends |  | 
    
    
      |  | Resurfacing for Noise Reduction: Results of an Experimental Overlay | Bela Schmidt and Robert Fischer | 
    
    
      |  | Some Findings of Study on Reflective and Absorptive Noise Barrier Configurations for Railroad Retarders | Martin Hirschorn | 
    
    
      |  | Summaries of Professional Papers |  | 
    
    
      |  | The TRB Committee A1F04 Summer Meeting 1994 | Domenick Billera | 
    
    
      |  |  | 
    
      |  | Parametric Amplification of Sound | Frank Hodgson | 
    
    
      |  | The first 12 Issues | El Angove | 
    
    
      |  | Virginia Wall builder Holds Two-Day "Invitational" on Soundwall Products and Construction Methods | Jennifer O'Brien | 
    
    
      |  |  | 
    
      |  | Caltrans' Arroyo Simi Wetlands Replacement Exceeds Expectations of Its Designers | Russell Snyder | 
    
    
      |  | Electronic Noise Control on California Freeways - A Special Report to The Wall Journal | George Hartwell | 
    
    
      |  | From the Sunshine State | Win Lindeman | 
    
    
      |  | New FHWA Model and Software - Part III | Grant S. Anderson, Gregg G. Fleming, Robert E. Armstrong and Steven A. Ronning | 
    
    
      |  | Noise Walls: $2.4 million per mile and worth it | Thomas M. Downs | 
    
    
      |  | Testing an Electronic Noise Control System Along a California Freeway | Rudy Hendriks | 
    
    
      |  | Tornado Kills Three Near Petersburg, Va. - Department Store Collapses: 100 Injured |  | 
    
    
      |  | Wood Noise Walls Completed Near Minnesota/North Dakota Border | Don Jaenicke | 
    
    
      |  |  | 
    
      |  | Carsonite International One of First to Use Maryland SHA's Facility for Demonstration/Display of Vendor Noise Barriers |  | 
    
    
      |  | Could Ancient Mayan Temple Walls Provide A Model for Today's sound Barriers? | Frank Hodgson | 
    
    
      |  | Found Fundamentals - Part 3 - The Sound Path | Roger L. Wayson | 
    
    
      |  | National Council of Acoustical Consultants |  | 
    
    
      |  | Noise Barrier Construction Forecast | LEAP Associates | 
    
    
      |  | Wisconsin DOT's Entry into the World of Parallel Noise Barriers | John Jaeckel | 
    
    
      |  |  | 
    
      |  | Caltrans Builds $6 Billion HOV Program - Los Angeles County System to be Nation's Most Extensive | Russell Snyder | 
    
    
      |  | Maryland Minutes | Ken Polcak | 
    
    
      |  | New FHWA Model and Software - Part II | Grant S. Anderson, Gregg G. Fleming, Robert E. Armstrong and Steven A. Ronning | 
    
    
      |  | Noise Barrier Construction Forecast | LEAP Associates | 
    
    
      |  | Summaries of Professional Papers - Part II |  | 
    
    
      |  | The Winning Entries in Caltrans' Student Innovation Landscape-Enhancing Noise Technology Competition | George Hartwell | 
    
    
      |  |  | 
    
      |  | A Summary of Measured Seismic Wave Attenuation Coefficients for Soils | J.C. Ortega and H. Khosrovani | 
    
       | Analysis of Vibration and Acoustics Using VAPEPS | Albert Lee and Vance Anderson |  | Caltrons' Contra Costa County Freeway I-680 | Dianne Steinhouser |  | Comparison of INM and NOISEMAP Results | Areg Gharabegian |  | Computer Models for the Analysis of Vehicle/Guideway Vibration Problems | John F. Leary |  | Construction Noise Control Program of a Transit Tunnel | Stephen Wolf |  | Identification, Analysis and Prediction of Noise Radiated from a Light Rail Vehicle | James B Steedman |  | LaGuardia Airport Ground-Noise Abatement Study | D.E. Barrett and C.W. Menge |  | Long Range Sound Propagation in a Suburban Environment Under an Inversion | Pablo A. Daroux |  | Managing the Flood of Data in Airport Noise Monitoring Systems | D. Inglold and M. Karmelich |  | New FHWA Model and Software - Part 1 | Anderson, Fleming et al |  | Noise and Vibration, BART-A and B-Cars | Jason Micklewright |  | Noise Barrier Construction Forecast | LEAP Assoc |  | Noise Wall Construction Continues on I-95 in Florida | Win Lindeman |  | Prediction of Rail Transit Groundborne Noise and Vibration: A Case Study | Steven L. Wolfe |  | RailRoad Track Noise and Vibration, Impact Study and Soundwall Design | Bui, Amick, Yazdanniyaz |  | Some Recent UK Examples of Building Isolation from Railway Vibration and Noise | Richard Cowell |  | Sound Fundamentals - Part 2 | Dr. Roger Wayson | 
      |  |  | 
    
      |  | Gore Hill Freeway: Sydney, Australia -  Keeping Australia Beautiful Council Award | Karl Mezgailis | 
    
    
      |  | Sound Fundamentals - Part 1 | Roger L. Wayson | 
    
    
      |  | The Making of PennDOT's "Blue Route", I-476 - A Thirty-Five Year Journey, Including 11 Years in the Courts |  | 
    
    
      |  |  | 
    
      |  | Along Noisy Interstates, a Hue and Cry for a Wall | Stephen C. Fehr | 
    
    
      |  | Introducing Our Next Arriving Guest "Speaker" | El Angove | 
    
    
      |  | On the Florida Front | Win Lindeman | 
    
    
      |  | Researchers from TRB Committee A1F04 Uncover New Facts on Endangered Species | Ken Polcak | 
    
    
      |  | Summary of Professional Papers |  | 
    
    
      |  |  | 
    
      |  | Background-Noise-Corrected Sound Level Measurements | Mike Staiano | 
    
    
      |  | Hong Kong Government Puts a Lid on Noisy Highways | Raymond Chan | 
    
    
      |  | Noise From Virginia | Cary B. Adkins | 
    
    
      |  | On the Florida Front | Win Lindeman | 
    
    
      |  | Parallel Barriers: A Ray-Tracing Program, RAYverb | G. Anderson and C. Bajdek | 
    
    
      |  | Psychoacoustic Effects of Rapid Shift in Frequency and Intensity | David Still | 
    
    
      |  | Specifying Water-Based Acrylic Stains for Concrete Sound Walls | Luis Calvo and Steve Geiger | 
    
    
      |  | STAMINA Improvements: Ground Effects and Multiple Diffraction | Chris Blaney | 
    
    
      |  | The Use of a Sond Exposure Level Meter for Design of Sound Insulation in Homes | Eric Stusnick | 
    
    
      |  | USAF, NOISEMAP 6.0 | Robert Lee | 
    
    
      |  |  | 
    
      |  | A General Comparison of Airport Noise Contours with Actual Noise Measurement | Rich Letty | 
    
    
      |  | Aircraft Noise Recognition with Intelligent Noise Monitoring Terminals | Robert Krug | 
    
    
      |  | Noise Control, O'Hare International Airport | Mary Rose Loney | 
    
    
      |  | Noise Source Identification and Database Control for Unattended Noise Monitors | Chris Menge | 
    
    
      |  | Recycled Paint | S.M. Greenberg | 
    
    
      |  | Recycling Reports | Soren Pedersen | 
    
    
      |  | Utilizing Radar Data to Identify Aircraft Noise Events | Steve Alverson | 
    
    
      |  |  | 
    
      |  | California Noise Barriers Task Force Report - A Summary | Caltrans | 
    
    
      |  | FHWA Mobile Noise Lab Is Available for Use | Gregg Fleming and Edward Rickley | 
    
    
      |  | Highway Traffic Noise In Denmark: Noise Barrier Design Considerations | Hans Bendtsen | 
    
    
      |  | Summary of Professional Papers - Part 1 |  | 
    
    
      |  | The Product Approval Process | Soren Pedersen | 
    
    
      |  | The SILATOR-A Small Volume Resonator	PCV Technologies |  | 
    
    
      |  |  | 
    
      |  | Active Noise & Vibration Technologies Research & Development Programme | Dr. Alan Curtis | 
    
    
      |  | Determination of Noise Barrier Effectiveness: An Evaluation of Noise on I-440 | Herman, Bowlby and Brison | 
    
    
      |  | Effectiveness of Sound Barriers Along I-270 in Montegomery County, Maryland | Kenneth D. Polcak | 
    
    
      |  | In Situ Evaluation of Parallel Barrier Effectiveness | G. Fleming and E.J. Rickley | 
    
    
      |  | Noise Barriers for the New Jersey Turnpike | Bela Schmidt | 
    
    
      |  | Reference Energy Mean Emission Levels; Florida Experience | R. Wayson, W. Lindeman and T. Ogle | 
    
    
      |  | The Product Approval Process - Part 1 | Soren Pedersen | 
    
    
      |  |  | 
    
      |  | Acoustic Characteristics of Porous Road Surface | Dr. Jean-Francois Hamer | 
    
    
      |  | Boston Rail Transit Noise Analysis | David E. Coate | 
    
    
      |  | FDOT Noise Barrier Design, Construction and Maintenance Workshop | Win Lindeman | 
    
    
      |  | Happy Ending to a Noisy Nightmare | Cary B. Adkins | 
    
    
      |  | Land Development Issues Resulting from "All Stage 3" Airline Fleets | Neal Phillips | 
    
    
      |  | Noise Analysis for Air Force Base Disposal and Refuse Program | R.Nugent and S.Lind | 
    
    
      |  | Noise Barrier Construction in a High Water Table Environment | Win Lindeman | 
    
    
      |  | PennDOT's I-95 Internodal Mobility Project | Harvey Knauer | 
    
    
      |  | Protecting Vibration-Sensitive Facilities from Transportation Vibrations | R.Nugent and H. Amick | 
    
    
      |  | Reducing the Ambiguity of Vehicle Noise Evaluation for Permit Applications | Stuart D. McGregor | 
    
    
      |  | Strategic Three-Dimensional Aviation Noise Planning | Dr. Clifford R. Bragdon | 
    
    
      |  | Test Track Center Research Program | Don K. Waldo | 
    
    
      |  | Texas DOT Noise Program Research Proposal | Cynthia R. Wilson | 
    
    
      |  | The Stapleton Noise Insulation Program: A Case History | Dana Hougland | 
    
    
      |  | The Stapleton Noise Mitigation Program | Bryan Ryks | 
    
    
      |  | Transportation Noise in the Nineties | Louis F. Cohn | 
    
    
      |  |  | 
    
      |  | $15 Million VDOT Abatement Project | Cary B. Adkins | 
    
    
      |  | Canada Develops National Noise Barrier Standard | Soren Pedersen | 
    
    
      |  | Colorado DOT Hosts A1F04 Summer Meeting |  | 
    
    
      |  | The Challenge for the Future | William Bowlby |