Brief discussion on the 4 kinds of traffic noise, the decibel as the unit of measure for sound, and the steps Colorado Department of Transportation takes for noise mitigation along highways and during highway construction.

From the blare of an alarm clock in the morning to snores and crickets in the evening, simple text explores the many loud noises one might hear during the course of a day.

This report presents information and data produced by the Colorado Department of Transportation's long-term study of Portland cement concrete pavement (PCCP) textures used within the state. The information includes vehicle accident, friction, and texture data. This information was used as the for a review of proposed revisions to the CDOT texture measurement method, CP-77, and a specification for PCCP texturing found in Sections 106 and 412 of the...

Traffic noise abatement in mountain corridors can be difficult because traditional roadside barriers may be ineffective due to topography or may not fit the setting. This study examined current best practices from around the world to gather concepts for mitigating traffic noise in mountain corridors in Colorado. A literature review of prospective noise abatement actions found that noise barriers are the most effective direct noise abatement measure,...

Listening to doctors, neuroscientists, acoustical engineers, monks, activists, educators, marketers, and aggrieved citizens, George Prochnik examines why we began to be so loud as a society, what it is that gets lost when we can no longer find quiet, and what are the benefits of decluttering our sonic world.

Feeling neglected, Nora makes more and more noise to attract her parents' attention.

This research project reviewed potential noise barrier materials made from scrap tires, selected a material for field testing, designed and built a test barrier at the designated site using the material, and monitored barrier performance for one year. The material selected was a railroad tie replacement made from scrap tire treads

Bedtime for Mortimer gets very noisy.

"One-eyed alien Frazzle recounts his flying adventures in a new journal (in alien vernacular, of course). He bighearts his little Model 7, but as time passes, it starts making strange sounds, and Frazzle pressured by friends and co-workers wonders if he should trade it in. One day, when it goes CLUNK in the middle of the flyway, it's clear something must be done"--bn.com.