Skip to content
Facebook iconYouTube iconTwitter iconFlickr iconLinkedInInstagram
Office of Planning, Environment, & Realty (HEP)
Planning Environment Real Estate
HEP Events Guidance Publications Glossary Awards Contacts

Pavement Effects Implementation Study - Appendix B

Figure 14 - Example with Good Spectral Modeling - Measured

Speed (mph)  1/3 OB Levels Modeled (dBA)                                               
  50.0 Hz 63.0 Hz 80.0 Hz 100.0 Hz 125.0 Hz 160.0 Hz 200.0 Hz 250.0 Hz 315.0 Hz 400.0 Hz 500.0 Hz 630.0 Hz 800.0 Hz 1000.0 Hz 1250.0 Hz 1600.0 Hz 2000.0 Hz 2500.0 Hz 3150.0 Hz 4000.0 Hz 5000.0 Hz 6300.0 Hz 8000.0 Hz 10000.0 Hz
80 32.6 42.1 46.7 48.6 49.6 50.8 52.5 54.9 58 61.7 65.1 68.4 70.9 72.3 72.7 71.6 69.6 66.6 62.8 58.5 54.7 51.3 48.8 47.5
70 31.4 40.3 44.7 46.5 47.5 48.7 50.3 52.5 55.4 58.8 61.9 64.8 67.2 68.4 68.7 67.7 65.8 63 59.5 55.6 52 48.7 45.9 44.1
60 30.3 38.5 42.7 44.4 45.4 46.6 48.1 50.1 52.8 55.8 58.7 61.3 63.4 64.5 64.7 63.8 62 59.5 56.3 52.7 49.3 46 43.1 40.7
50 29.1 36.7 40.6 42.3 43.3 44.4 45.8 47.8 50.2 52.9 55.5 57.8 59.6 60.6 60.7 59.9 58.2 55.9 53 49.7 46.5 43.4 40.2 37.3
40 27.9 34.9 38.6 40.2 41.2 42.3 43.6 45.4 47.5 50 52.3 54.3 55.9 56.7 56.7 55.9 54.5 52.4 49.8 46.8 43.8 40.7 37.4 33.9
30 26.7 33.2 36.5 38.1 39.1 40.2 41.4 43 44.9 47.1 49 50.8 52.1 52.8 52.8 52 50.7 48.8 46.5 43.8 41.1 38 34.5 30.5
20 25.5 31.4 34.5 36 37 38 39.2 40.6 42.3 44.2 45.8 47.3 48.4 48.8 48.8 48.1 46.9 45.3 43.3 40.9 38.3 35.4 31.7 27.2
10 24.3 29.6 32.5 33.9 34.9 35.9 36.9 38.2 39.7 41.2 42.6 43.8 44.6 44.9 44.8 44.2 43.1 41.8 40 37.9 35.6 32.7 28.8 23.8
Updated: 8/24/2017
HEP Home Planning Environment Real Estate
Privacy Policy | Freedom of Information Act (FOIA) | Accessibility | Web Policies & Notices | No Fear Act | Report Waste, Fraud and Abuse
U.S. DOT Home | USA.gov | WhiteHouse.gov

Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000