Last week two Midwestern surveys on drinking drivers were issued. Records of two Evanston hospitals showed that of 300 drivers who had been in wrecks causing injury, 24% were intoxicated (at least one part alcohol to 1,000 parts blood). A survey by Northwestern University's Traffic Safety Institute showed that of 2,000 drivers examined, only 4.2% were intoxicated. Comparison of the two figures demonstrated the extent to which alcohol is a factor in traffic accidents.
Method of Northwestern's survey was to stop drivers at selected points on the streets, ask them to blow up small...