- 27 - 
NT OF SNOW AND ITS TENDENCY TO DRIFTING; AND, SECOND, THE 
ER OF PLOWS AND TRUCKS AVAILABLE FOR USE. THE PLOWS COST 
NOMINAL SUMS, BUT THE TRUCKS ARE COSTLY AND THE NUMBER AVAIL- 
FOR SNOW REMOVAL MUST BE THE DOMINATING FACTOR IN DETERMINING 
LENGTH OF SECTIONS FOR THE UNIT OF WORK. THE SNOW STATES AND 
TIES REPORT 3,940 TRUCKS AS AVAILABLE FOR SNOW REMOVAL WORK, 
IT APPEARS THAT THE SECTIONS FOR TRUCK WORK NEED NOT BE UNDULY 
NDED. NEW JERSEY USUALLY ALLOTS TWO SINGLE TRUCK PLOWS TO 
13 MILES, AND IN MICHIGAN THREE TRUCK PLOWS ARE NECESSARY-TO 
:5 0  MILT ,'s   I~l   Wl-rN  nM"  , AIV  T#P.n  :    r- nWlr-r~d"r

 
CUTS AND PROVIDE ROOM FOR THE SNOW OF FUTURE STORMS. NEW JERSEY 
REQUIRES NO WIDENED CUTS OTHER THAN THOSE NECESSARY TO ACCOMMODATE 
TRAFFIC; THE SNOW OF ONE STORM USUALLY MELTS BEFORE ANOTHER FALLS. 
NEARLY ALL OF THE STATES REPORT THAT NEWLY FALLEN SNOW TO 
A DEPTH OF NINE INCHES, AND SHORT SECTIONS OF RECENTLY DRIFTED BUT 
NOT PACKED OR CRUSTED SNOW TO A DEPTH OF 36 INCHES, CAN BE EFFICIENT- 
LY REMOVED WITH TRUCK PLOWS. TABLE I SHOWS THAT SNOW FALLING TO A 
OEPTH GREATER THAN NINE INCHES IS OF RARE OCCURRENCE, AND OF THOSE 
THAT WERE EXPERIENCED DURING THE FOUR YEARS REPORTED BUT A VERY FEW 
OF THEM FELL WITHIN A 24-HOUR PERIOD. STORMS OF SUCH SEVERITY MUST 
BE TREATED AS EMERGENCY CASES. ALL AVAILABLE EQUIPMENT MUST BE 
PLACED IN USE.  FROM A STUDY OF THE SAME'TABLE IT MAY ALSO BE OB- 
SERVED THAT SNOW FALLING BETWEEN 9 AND 7 INCHES DEEP AVERAGES LESS 
THAN ONE STORM PER WINTER, AND SNOWFALLS AS LIGHT AS BETWEEN 5 AND 7 
INCHES DO NOT OCCUR WITH ALARMING FREQUENCY.  IT IS TRUE THAT SNOW