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

Recommended Best Practices for the Use of the FHWA Traffic Noise Model (TNM)

Appendix D. Tabulated Noise Levels for the Modeled Scenarios using FHWA TNM 2.5

6 example tables. The source code for this image and the following 5 images is available next for screen readers only.

      Soft Ground Cases                                    
      4-Lane At-Grade 4-Lane Depressed Rd 4-Lane Elevated Rd 8-Lane At-Grade 8-Lane Depressed Rd 8-Lane Elevated Rd 12-Lane At-Grade 12-Lane Depressed Rd 12-Lane Elevated Rd
  TNM ID Height Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff
   50ft-5ft 5 79.5 79.2 0.3 76.6 76.4 0.2 70.8 70.9 -0.1 66.2 66.2 0.0 72.3 71.5 0.8 67.1 66.6 0.5 81.7 81.2 0.5 78.9 78.5 0.4 75.2 75.4 -0.2 71.9 72.0 -0.1 73.3 72.2 1.1 68.6 67.7 0.9 82.8 82.4 0.4 79.8 79.7 0.1 78.5 78.1 0.4 74.8 74.7 0.1 72.4 72.9 -0.5 68.1 68.4 -0.3
   100ft-5ft 5 75.3 75.2 0.1 72.3 72.2 0.1 62.3 62.4 -0.1 58.3 58.3 0.0 71.3 71.2 0.1 67.3 67.2 0.1 78.3 78.1 0.2 75.4 75.2 0.2 67.0 66.8 0.2 62.8 62.5 0.3 73.2 72.8 0.4 69.1 68.8 0.3 80.2 79.6 0.6 77.1 76.8 0.3 70.7 70.2 0.5 65.7 65.4 0.3 74.2 73.8 0.4 69.7 69.6 0.1
   200ft-5ft 5 70.1 70.4 -0.3 66.7 66.8 -0.1 57.2 57.3 -0.1 53.2 53.3 -0.1 69.3 69.3 0.0 65.5 65.5 0.0 74.2 74.3 -0.1 71.3 71.3 0.0 60.4 60.6 -0.2 56.7 56.8 -0.1 71.3 71.2 0.1 67.5 67.4 0.1 76.9 76.3 0.6 73.7 73.3 0.4 63.1 62.8 0.3 59.1 58.9 0.2 72.6 72.3 0.3 68.6 68.4 0.2
   300ft-5ft 5 67.3 67.6 -0.3 63.7 63.8 -0.1 54.5 54.6 -0.1 50.7 50.7 0.0 67.1 67.1 0.0 63.3 63.3 0.0 70.9 71.5 -0.6 67.9 68.3 -0.4 57.7 57.9 -0.2 54.1 54.2 -0.1 69.2 69.2 0.0 65.5 65.4 0.1 74.3 73.9 0.4 71.0 70.8 0.2 60.5 60.1 0.4 56.5 56.3 0.2 70.8 70.5 0.3 66.8 66.6 0.2
   400ft-5ft 5 65.7 65.9 -0.2 62.2 62.3 -0.1 52.8 52.9 -0.1 49.0 49.0 0.0 65.0 65.0 0.0 61.1 61.1 0.0 68.7 69.2 -0.5 65.7 66.0 -0.3 56.1 56.3 -0.2 52.5 52.6 -0.1 67.2 67.2 0.0 63.4 63.3 0.1 72.0 71.9 0.1 68.8 68.7 0.1 58.9 58.5 0.4 54.9 54.7 0.2 69.0 68.6 0.4 64.8 64.7 0.1
   500ft-5ft 5 64.3 64.3 0.0 60.7 60.7 0.0 51.5 51.6 -0.1 47.7 47.8 -0.1 63.1 63.1 0.0 59.0 59.0 0.0 67.3 67.7 -0.40 64.2 64.5 -0.3 54.8 55.0 -0.2 51.2 51.3 -0.1 65.4 65.3 0.1 61.4 61.4 0.0 70.3 70.1 0.2 67.0 67.0 0.0 57.7 57.3 0.40 53.7 53.5 0.2 67.3 66.9 0.40 63.0 62.8 0.2
   600ft-5ft 5 62.4 62.4 0.0 58.7 58.7 0.0 50.4 50.5 -0.1 46.7 46.7 0.0 61.4 61.4 0.0 57.1 57.1 0.0 66.2 66.4 -0.2 63.1 63.3 -0.2 53.7 53.9 -0.2 50.2 50.3 -0.1 63.7 63.7 0.0 59.6 59.5 0.1 68.9 68.6 0.3 65.6 65.5 0.1 56.6 56.2 0.4 52.6 52.5 0.1 65.7 65.3 0.4 61.3 61.1 0.2
   700ft-5ft 5 60.6 60.5 0.1 56.8 56.7 0.1 49.4 49.5 -0.1 45.7 45.8 -0.1 59.8 59.8 0.0 55.4 55.4 0.0 65.1 65.2 -0.1 62.0 62.0 0.0 52.8 53.0 -0.2 49.2 49.3 -0.1 62.2 62.2 0.0 57.9 57.9 0.0 67.8 67.5 0.3 64.5 64.4 0.1 55.6 55.3 0.3 51.7 51.5 0.2 64.2 63.8 0.4 59.7 59.5 0.2
   800ft-5ft 5 59.1 59.0 0.1 55.2 55.1 0.1 48.6 48.7 -0.1 45.0 45.0 0.0 58.3 58.3 0.0 53.7 53.7 0.0 64.1 63.9 0.2 60.9 60.8 0.1 52.0 52.2 -0.2 48.5 48.6 -0.1 60.7 60.8 -0.1 56.3 56.4 -0.1 66.8 66.5 0.3 63.6 63.4 0.2 54.9 54.5 0.4 50.9 50.8 0.1 62.9 62.5 0.4 58.3 58.0 0.3
   900ft-5ft 5 57.7 57.6 0.1 53.8 53.8 0.0 48.0 48.0 0.0 44.3 44.3 0.0 57.0 57.1 -0.1 52.4 52.5 -0.1 62.8 62.6 0.2 59.6 59.4 0.2 51.4 51.6 -0.2 47.8 47.9 -0.1 59.5 59.6 -0.1 55.1 55.2 -0.1 65.9 65.5 0.4 62.6 62.5 0.1 54.2 53.9 0.3 50.3 50.2 0.1 61.7 61.3 0.4 57.1 56.9 0.2
   1000ft-5ft 5 56.5 56.4 0.1 52.6 52.5 0.1 47.3 47.4 -0.1 43.7 43.7 0.0 55.9 56.0 -0.1 51.4 51.4 0.0 61.5 61.3 0.2 58.2 58.1 0.1 50.8 51.0 -0.2 47.2 47.3 -0.1 58.5 58.5 0.0 54.1 54.1 0.0 65.0 64.6 0.4 61.7 61.5 0.2 53.7 53.3 0.4 49.7 49.6 0.1 60.7 60.2 0.5 56.1 55.9 0.2
AVERAGE         0.0     0.0     -0.1     0.0     0.1     0.0     -0.1     0.0     -0.2     -0.1     0.1     0.1     0.4     0.2     0.4     0.2     0.3     0.1
MINIMUM         -0.3     -0.1     -0.1     -0.1     -0.1     -0.1     -0.6     -0.4     -0.2     -0.1     -0.1     -0.1     0.1     0.0     0.3     0.1     -0.5     -0.3
MAXIMUM         0.3     0.2     0.0     0.0     0.8     0.5     0.5     0.4     0.2     0.3     1.1     0.9     0.6     0.4     0.5     0.3     0.5     0.3
STANDARD DEVIATION         0.2     0.1     0.0     0.0     0.3     0.2     0.3     0.3     0.1     0.1     0.3     0.3     0.2     0.1     0.1     0.1     0.3     0.2
   50ft-15ft 15 79.7 79.6 0.1 76.7 76.7 0.0 77.1 77.2 -0.1 73.4 73.4 0.0 75.5 75.5 0.0 71.9 71.9 0.0 81.7 81.6 0.1 78.9 78.8 0.1 79.4 80.2 -0.8 76.7 77.1 -0.4 77.3 76.9 0.4 73.5 73.2 0.3 83.0 82.7 0.3 80.0 79.9 0.1 82.2 81.6 0.6 79.0 78.6 0.4 78.2 77.9 0.3 74.0 74.0 0.0
   100ft-15ft 15 77.1 77.0 0.1 74.2 74.2 0.0 69.3 69.3 0.0 65.2 65.2 0.0 73.9 73.8 0.1 70.3 70.3 0.0 79.2 79.1 0.1 76.5 76.4 0.1 75.0 74.9 0.1 72.2 71.9 0.3 75.8 75.5 0.3 72.2 72.1 0.1 80.7 80.4 0.3 77.7 77.6 0.1 77.3 76.9 0.4 73.9 73.7 0.2 77.1 76.9 0.2 73.4 73.4 0.0
   200ft-15ft 15 73.1 73.2 -0.1 70.3 70.2 0.1 60.4 60.4 0.0 56.2 56.2 0.0 71.1 71.1 0.0 67.8 67.8 0.0 76.0 75.9 0.1 73.2 73.0 0.2 66.8 66.4 0.4 61.7 61.5 0.2 73.6 73.4 0.2 70.5 70.3 0.2 77.9 77.4 0.5 74.8 74.7 0.1 69.4 69.1 0.3 64.5 64.4 0.1 75.2 74.8 0.4 71.8 71.7 0.1
   300ft-15ft 15 70.6 70.7 -0.1 67.6 67.5 0.1 56.5 56.5 0.0 52.4 52.5 -0.1 69.6 69.5 0.1 66.3 66.2 0.1 73.8 73.7 0.1 70.8 70.8 0.0 60.4 60.5 -0.1 56.6 56.6 0.0 71.9 71.8 0.1 68.8 68.6 0.2 75.9 75.4 0.5 72.8 72.5 0.3 65.7 65.1 0.6 60.5 60.2 0.3 73.7 73.4 0.3 70.4 70.3 0.1
   400ft-15ft 15 68.7 68.8 -0.1 65.5 65.5 0.0 54.0 54.1 -0.1 50.1 50.1 0.0 67.9 68.1 -0.2 64.7 64.8 -0.1 72.2 72.0 0.2 69.0 69.0 0.0 57.8 57.9 -0.1 54.1 54.1 0.0 70.4 70.5 -0.1 67.3 67.3 0.0 74.4 73.8 0.6 71.1 70.8 0.3 61.0 60.6 0.4 56.9 56.7 0.2 72.4 72.1 0.3 69.0 68.9 0.1
   500ft-15ft 15 66.6 66.7 -0.1 63.1 63.1 0.0 52.3 52.3 0.0 48.4 48.4 0.0 67.0 67.3 -0.3 63.8 64.0 -0.2 70.5 70.5 0.0 67.3 67.3 0.0 56.0 56.1 -0.1 52.3 52.3 0.0 69.7 69.6 0.1 66.5 66.5 0.0 73.0 72.4 0.6 69.7 69.3 0.4 59.1 58.7 0.4 55.0 54.8 0.2 71.5 71.1 0.4 68.1 68.0 0.1
   600ft-15ft 15 64.9 65.0 -0.1 61.2 61.2 0.0 50.9 50.9 0.0 47.1 47.1 0.0 65.6 65.9 -0.3 62.3 62.5 -0.2 69.1 69.1 0.0 65.9 65.9 0.0 54.5 54.7 -0.2 50.9 50.9 0.0 68.4 68.4 0.0 65.2 65.2 0.0 71.8 71.2 0.6 68.4 68.0 0.4 57.6 57.2 0.4 53.6 53.4 0.2 70.4 70.0 0.4 67.0 66.8 0.2
   700ft-15ft 15 63.5 63.6 -0.1 59.6 59.6 0.0 49.8 49.8 0.0 46.0 46.0 0.0 64.5 64.6 -0.1 61.0 61.2 -0.2 67.8 67.9 -0.1 64.5 64.6 -0.1 53.3 53.5 -0.2 49.7 49.8 -0.1 67.4 67.7 -0.3 64.3 64.5 -0.2 70.7 70.1 0.6 67.2 66.8 0.4 56.3 56.0 0.3 52.3 52.2 0.1 69.8 69.2 0.6 66.3 66.0 0.3
   800ft-15ft 15 62.2 62.4 -0.2 58.2 58.3 -0.1 48.8 48.9 -0.1 45.1 45.2 -0.1 63.3 63.4 -0.1 59.8 59.9 -0.1 66.5 66.7 -0.2 63.2 63.3 -0.1 52.4 52.5 -0.1 48.8 48.9 -0.1 66.3 66.5 -0.2 63.2 63.2 0.0 69.6 69.0 0.6 66.1 65.7 0.4 55.4 55.0 0.4 51.4 51.2 0.2 68.7 68.1 0.6 65.1 64.8 0.3
   900ft-15ft 15 61.3 61.5 -0.2 57.3 57.4 -0.1 48.0 48.1 -0.1 44.4 44.4 0.0 62.3 62.4 -0.1 58.7 58.8 -0.1 65.3 65.6 -0.3 62.0 62.2 -0.2 51.6 51.8 -0.2 48.0 48.1 -0.1 65.3 65.8 -0.5 62.2 62.5 -0.3 68.5 68.0 0.5 65.0 64.7 0.3 54.6 54.2 0.4 50.6 50.5 0.1 68.1 67.4 0.7 64.4 64.1 0.3
   1000ft-15ft 15 60.5 60.7 -0.2 56.5 56.6 -0.1 47.3 47.4 -0.1 43.7 43.7 0.0 61.3 61.4 -0.1 57.6 57.7 -0.1 64.1 64.6 -0.5 60.8 61.1 -0.3 50.9 51.1 -0.2 47.4 47.4 0.0 64.3 64.9 -0.6 61.1 61.5 -0.4 67.5 67.1 0.4 64.0 63.8 0.2 53.9 53.5 0.4 49.9 49.8 0.1 67.1 66.4 0.7 63.4 63.0 0.4
AVERAGE         -0.1     0.0     0.0     0.0     -0.1     -0.1     0.0     0.0     -0.1     0.0     -0.1     0.0     0.5     0.3     0.4     0.2     0.4     0.2
MINIMUM         -0.2     -0.1     -0.1     -0.1     -0.3     -0.2     -0.5     -0.3     -0.8     -0.4     -0.6     -0.4     0.3     0.1     0.3     0.1     0.2     0.0
MAXIMUM         0.1     0.1     0.0     0.0     0.1     0.1     0.2     0.2     0.4     0.3     0.4     0.3     0.6     0.4     0.6     0.4     0.7     0.4
STANDARD DEVIATION     0.1     0.1     0.1     0.0     0.1     0.1     0.2     0.1     0.3     0.2     0.3     0.2     0.1     0.1     0.1     0.1     0.2     0.1
                                                                                                                 
      Hard Ground Cases                                    
      4-Lane At-Grade 4-Lane Depressed Rd 4-Lane Elevated Rd 8-Lane At-Grade 8-Lane Depressed Rd 8-Lane Elevated Rd 12-Lane At-Grade 12-Lane Depressed Rd 12-Lane Elevated Rd
  TNM ID Height Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff Hi Trk % Hi Trk % Uni Diff Typ Trk % Typ Trk % Uni Diff
   50ft-5ft 5 80.4 80.2 0.2 77.4 77.4 0.0 73.4 73.5 -0.1 69.2 69.3 -0.1 73.8 72.9 0.9 68.5 67.9 0.6 82.4 82.2 0.2 79.5 79.4 0.1 76.7 77.0 -0.3 73.5 73.4 0.1 74.7 73.5 1.2 69.9 68.9 1.0 83.5 83.3 0.2 80.5 80.5 0.0 79.6 79.2 0.4 75.9 75.7 0.2 73.6 74.2 -0.6 69.2 69.6 -0.4
   100ft-5ft 5 77.8 77.7 0.1 75.0 74.9 0.1 67.8 67.9 -0.1 63.9 64.0 -0.1 72.8 72.7 0.1 68.6 68.5 0.1 80.0 80.0 0.0 77.3 77.2 0.1 71.5 71.6 -0.1 67.8 67.7 0.1 74.8 74.4 0.4 70.4 70.1 0.3 81.5 81.3 0.2 78.5 78.5 0.0 74.6 74.2 0.4 70.3 70.1 0.2 75.8 75.4 0.4 71.0 71.0 0.0
   200ft-5ft 5 75.0 75.0 0.0 72.1 72.1 0.0 64.1 64.2 -0.1 60.2 60.2 0.0 71.7 71.7 0.0 67.8 67.8 0.0 77.4 77.4 0.0 74.6 74.7 -0.1 67.4 67.6 -0.2 63.8 63.9 -0.1 74.2 74.1 0.1 70.3 70.3 0.0 79.2 78.9 0.3 76.1 76.0 0.1 70.2 69.9 0.3 66.3 66.1 0.2 75.5 75.1 0.4 71.4 71.2 0.2
   300ft-5ft 5 73.3 73.2 0.1 70.3 70.3 0.0 62.1 62.1 0.0 58.1 58.1 0.0 71.0 71.0 0.0 67.6 67.6 0.0 75.8 75.7 0.1 72.9 72.9 0.0 65.4 65.6 -0.2 61.7 61.8 -0.1 73.2 73.1 0.1 69.5 69.4 0.1 77.6 77.3 0.3 74.4 74.3 0.1 68.3 67.9 0.4 64.3 64.1 0.2 75.0 74.7 0.3 71.1 70.9 0.2
   400ft-5ft 5 71.8 71.9 -0.1 68.8 68.8 0.0 60.5 60.5 0.0 56.4 56.5 -0.1 70.1 70.1 0.0 66.7 66.7 0.0 74.4 74.4 0.0 71.4 71.5 -0.1 63.9 64.0 -0.1 60.1 60.2 -0.1 72.6 72.5 0.1 69.2 69.2 0.0 76.3 76.0 0.3 73.1 73.0 0.1 66.8 66.4 0.4 62.7 62.5 0.2 74.3 73.9 0.4 70.4 70.3 0.1
   500ft-5ft 5 70.7 70.7 0.0 67.6 67.6 0.0 59.2 59.3 -0.1 55.1 55.2 -0.1 69.3 69.3 0.0 65.9 65.8 0.1 73.4 73.3 0.1 70.3 70.3 0.0 62.6 62.8 -0.2 58.8 58.9 -0.1 71.9 71.8 0.1 68.5 68.5 0.0 75.3 74.9 0.4 72.0 71.9 0.1 65.6 65.2 0.4 61.4 61.3 0.1 73.7 73.3 0.4 70.0 69.9 0.1
   600ft-5ft 5 69.7 69.7 0.0 66.6 66.6 0.0 58.2 58.2 0.0 54.1 54.1 0.0 68.5 68.5 0.0 65.1 65.1 0.0 72.4 72.4 0.0 69.3 69.3 0.0 61.6 61.8 -0.2 57.8 57.8 0.0 71.1 71.1 0.0 67.8 67.7 0.1 74.3 74.0 0.3 71.0 70.9 0.1 64.5 64.2 0.3 60.4 60.2 0.2 73.0 72.7 0.3 69.4 69.3 0.1
   700ft-5ft 5 68.9 68.9 0.0 65.7 65.7 0.0 57.3 57.4 -0.1 53.2 53.2 0.0 67.9 67.8 0.1 64.4 64.4 0.0 71.6 71.5 0.1 68.4 68.4 0.0 60.8 60.9 -0.1 56.9 57.0 -0.1 70.4 70.4 0.0 67.1 67.1 0.0 73.5 73.2 0.3 70.2 70.0 0.2 63.7 63.4 0.3 59.6 59.4 0.2 72.4 72.0 0.4 68.7 68.6 0.1
   800ft-5ft 5 68.0 68.0 0.0 64.9 64.9 0.0 56.6 56.7 -0.1 52.5 52.5 0.0 67.4 67.3 0.1 64.0 64.0 0.0 70.8 70.8 0.0 67.7 67.7 0.0 60.1 60.2 -0.1 56.2 56.3 -0.1 70.0 69.9 0.1 66.6 66.6 0.0 72.8 72.4 0.4 69.4 69.3 0.1 63.0 62.6 0.4 58.8 58.7 0.1 71.8 71.5 0.3 68.2 68.1 0.1
   900ft-5ft 5 67.3 67.3 0.0 64.2 64.2 0.0 55.9 56.0 -0.1 51.8 51.8 0.0 66.8 66.7 0.1 63.4 63.3 0.1 70.1 70.1 0.0 67.0 67.0 0.0 59.4 59.5 -0.1 55.5 55.5 0.0 69.3 69.3 0.0 66.0 65.9 0.1 72.1 71.8 0.3 68.7 68.6 0.1 62.3 61.9 0.4 58.1 57.9 0.2 71.2 70.9 0.3 67.6 67.5 0.1
   1000ft-5ft 5 66.7 66.7 0.0 63.5 63.5 0.0 55.2 55.3 -0.1 51.1 51.1 0.0 66.2 66.1 0.1 62.8 62.7 0.1 69.4 69.4 0.0 66.3 66.3 0.0 58.7 58.9 -0.2 54.8 54.9 -0.1 68.7 68.7 0.0 65.4 65.4 0.0 71.5 71.1 0.4 68.1 67.9 0.2 61.6 61.3 0.3 57.4 57.2 0.2 70.6 70.3 0.3 67.1 66.9 0.2
AVERAGE         0.0     0.0     -0.1     0.0     0.1     0.1     0.0     0.0     -0.2     0.0     0.2     0.1     0.3     0.1     0.4     0.2     0.3     0.1
MINIMUM         -0.1     0.0     -0.1     -0.1     0.0     0.0     0.0     -0.1     -0.3     -0.1     0.0     0.0     0.2     0.0     0.3     0.1     -0.6     -0.4
MAXIMUM         0.2     0.1     0.0     0.0     0.9     0.6     0.2     0.1     -0.1     0.1     1.2     1.0     0.4     0.2     0.4     0.2     0.4     0.2
STANDARD DEVIATION     0.1     0.0     0.0     0.1     0.3     0.2     0.1     0.1     0.1     0.1     0.4     0.3     0.1     0.1     0.1     0.0     0.3     0.2
   50ft-15ft 15 80.1 80.0 0.1 77.1 77.1 0.0 77.6 77.9 -0.3 74.0 74.0 0.0 76.5 76.5 0.0 72.7 72.6 0.1 82.2 82.0 0.2 79.2 79.1 0.1 80.2 80.7 -0.5 77.1 77.5 -0.4 78.3 77.7 0.6 74.3 73.8 0.5 83.4 83.1 0.3 80.2 80.2 0.0 82.7 82.1 0.6 79.2 78.9 0.3 79.0 78.7 0.3 74.6 74.7 -0.1
   100ft-15ft 15 77.6 77.5 0.1 74.6 74.6 0.0 71.3 71.3 0.0 67.3 67.2 0.1 75.1 75.1 0.0 71.7 71.6 0.1 79.8 79.7 0.1 76.9 76.8 0.1 75.7 75.8 -0.1 72.8 72.6 0.2 76.9 76.7 0.2 73.1 73.0 0.1 81.2 80.9 0.3 78.1 78.1 0.0 78.0 77.7 0.3 74.4 74.3 0.1 78.2 77.9 0.3 74.2 74.2 0.0
   200ft-15ft 15 74.5 74.6 -0.1 71.7 71.6 0.1 64.7 64.8 -0.1 60.7 60.8 -0.1 72.2 72.1 0.1 68.8 68.7 0.1 77.0 76.9 0.1 74.1 74.1 0.0 69.8 69.6 0.2 65.3 65.2 0.1 74.7 74.5 0.2 71.4 71.3 0.1 78.6 78.4 0.2 75.6 75.4 0.2 72.4 72.0 0.4 68.0 67.8 0.2 76.3 76.0 0.3 72.8 72.7 0.1
   300ft-15ft 15 72.6 72.5 0.1 69.7 69.7 0.0 62.3 62.3 0.0 58.2 58.3 -0.1 71.3 71.1 0.2 68.0 67.9 0.1 75.1 75.1 0.0 72.3 72.3 0.0 65.8 66.0 -0.2 62.1 62.1 0.0 73.5 73.3 0.2 70.3 70.2 0.1 77.0 76.6 0.4 73.9 73.7 0.2 69.6 69.1 0.5 65.2 64.9 0.3 75.0 74.7 0.3 71.6 71.6 0.0
   400ft-15ft 15 71.2 71.1 0.1 68.3 68.3 0.0 60.5 60.5 0.0 56.5 56.5 0.0 69.9 69.7 0.2 66.7 66.6 0.1 73.8 73.7 0.1 70.9 70.9 0.0 64.0 64.2 -0.2 60.2 60.3 -0.1 72.2 72.0 0.2 69.1 68.9 0.2 75.6 75.3 0.3 72.6 72.5 0.1 67.0 66.6 0.4 62.9 62.7 0.2 73.8 73.5 0.3 70.4 70.4 0.0
   500ft-15ft 15 70.0 70.0 0.0 67.0 67.1 -0.1 59.2 59.2 0.0 55.1 55.1 0.0 69.1 69.1 0.0 66.0 66.0 0.0 72.6 72.6 0.0 69.8 69.8 0.0 62.7 62.8 -0.1 58.8 58.9 -0.1 71.6 71.3 0.3 68.5 68.3 0.2 74.6 74.2 0.4 71.4 71.3 0.1 65.6 65.2 0.4 61.5 61.4 0.1 73.1 72.8 0.3 69.8 69.7 0.1
   600ft-15ft 15 69.0 69.0 0.0 66.0 66.0 0.0 58.1 58.1 0.0 53.9 54.0 -0.1 68.2 68.2 0.0 65.1 65.1 0.0 71.7 71.7 0.0 68.8 68.8 0.0 61.5 61.7 -0.2 57.7 57.8 -0.1 70.8 70.6 0.2 67.6 67.5 0.1 73.7 73.3 0.4 70.5 70.4 0.1 64.5 64.1 0.4 60.4 60.2 0.2 72.4 72.1 0.3 69.1 69.0 0.1
   700ft-15ft 15 68.1 68.2 -0.1 65.2 65.2 0.0 57.1 57.2 -0.1 53.0 53.0 0.0 67.5 67.4 0.1 64.4 64.4 0.0 70.9 70.8 0.1 67.9 67.9 0.0 60.6 60.8 -0.2 56.7 56.8 -0.1 70.1 70.1 0.0 67.1 67.0 0.1 72.8 72.5 0.3 69.6 69.5 0.1 63.6 63.3 0.3 59.5 59.3 0.2 71.9 71.6 0.3 68.6 68.5 0.1
   800ft-15ft 15 67.4 67.4 0.0 64.4 64.4 0.0 56.4 56.4 0.0 52.3 52.3 0.0 66.8 66.8 0.0 63.7 63.7 0.0 70.1 70.1 0.0 67.2 67.1 0.1 59.9 60.0 -0.1 56.0 56.1 -0.1 69.5 69.5 0.0 66.5 66.4 0.1 72.1 71.8 0.3 68.9 68.7 0.2 62.8 62.5 0.3 58.7 58.5 0.2 71.4 71.0 0.4 68.1 67.9 0.2
   900ft-15ft 15 66.7 66.7 0.0 63.6 63.6 0.0 55.6 55.7 -0.1 51.5 51.5 0.0 66.2 66.2 0.0 63.1 63.1 0.0 69.4 69.4 0.0 66.4 66.4 0.0 59.1 59.3 -0.2 55.2 55.3 -0.1 69.0 69.0 0.0 65.9 65.9 0.0 71.5 71.1 0.4 68.2 68.0 0.2 62.1 61.7 0.4 57.9 57.7 0.2 70.9 70.6 0.3 67.6 67.5 0.1
   1000ft-15ft 15 66.1 66.1 0.0 62.9 62.9 0.0 55.0 55.0 0.0 50.8 50.8 0.0 65.7 65.7 0.0 62.6 62.6 0.0 68.8 68.8 0.0 65.7 65.7 0.0 58.4 58.6 -0.2 54.5 54.6 -0.1 68.4 68.4 0.0 65.4 65.3 0.1 70.8 70.5 0.3 67.5 67.4 0.1 61.4 61.0 0.4 57.2 57.0 0.2 70.4 70.1 0.3 67.1 66.9 0.2
AVERAGE         0.0     0.0     -0.1     0.0     0.1     0.0     0.1     0.0     -0.2     -0.1     0.2     0.1     0.3     0.1     0.4     0.2     0.3     0.1
MINIMUM         -0.1     -0.1     -0.3     -0.1     0.0     0.0     0.0     0.0     -0.5     -0.4     0.0     0.0     0.2     0.0     0.3     0.1     0.3     -0.1
MAXIMUM         0.1     0.1     0.0     0.1     0.2     0.1     0.2     0.1     0.2     0.2     0.6     0.5     0.4     0.2     0.6     0.3     0.4     0.2
STANDARD DEVIATION     0.1     0.0     0.1     0.1     0.1     0.1     0.1     0.0     0.2     0.1     0.2     0.1     0.1     0.1     0.1     0.1     0.0     0.1

Updated: 5/17/2017
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