Methods of Avalanche Control on Washington Mountain Highways

This Summary Report synthesizes the work on avalanche control carried out at the University of Washington from 1970 through 1974. Five problem areas are addressed:

  1. Identification of avalanche paths.
  2. Description of historical frequency and size of avalanches.
  3. Prediction of avalanching.
  4. Identification of control methods.
  5. Inclusion of control and prediction schemes in highway design and operation.
Publication Date: 
Monday, July 1, 1974
Publication Number: 
WA-RD 8.6
Last modified: 
10/12/2016 - 15:41
E.R. LaChapelle, C.B. Brown, R.J. Evans.
University of Washington. Dept. of Civil Engineering; University of Washington. Geophysics Program.
Number of Pages: 
Avalanches, Highway design, Mountain roads, Operations, Roadside hazards, Snow, Snow and ice control, Terrain evaluation, Topography, Weather, Winter maintenance.