H.—4o.

To present some idea of the extent to which this abnormal traffic may be concentrated over a short period the results of a further count taken on the same section of highway on a recent race day reveal that 1,604 motor-vehicles passed in the space of a little more than two hours. This was at the rate of 9-6 vehicles per minute, or equivalent to a daily volume of 13,749 vehicles. During this period there was a peak interval of twenty-six minutes when 559 vehicles passed the tally point — i.e., at the rate of 21-5 per minute, or equal to a daily volume of 30,960. During the densest one-minute interval thirty-three vehicles were recorded, this probably representing about the maximum traffic-capacity of the road.

(/) Analysis of Traffic, by Type of Vehicle. A further analysis discloses the relative use of the main highways by different types of motorvehicles.

Table G. —Analysis of the Vehicle-mileage according to Type of Motor-vehicle.

This table also afiords comparison between the two Islands of the relative use by each type of vehicle. Thus in respect of — (i) Private cars : The Noith Island highways carried 63-55 per cent, and the South 3645 per cent, (ii) Light trucks : The North Island highways carried 60-55 per cent, and the South 39-45 per cent, (iii) Heavy trucks : The North Island highways carried 67-97 per cent, and the South 32-03 per cent, (iv) Service cars : The North Island highways carried 64-26 per cent, and the South 35-74 per cent, (v) Omnibuses: The North Island highways carried 60-74 per cent, and the South 39-26 per cent, (vi) Motor-cycles : The North Island highways carried 59-80 per cent, and the South 40-20 per cent, (vii) Trailers : The North. Island highways carried 50-95 per cent, and the South 49-05 per cent, (viii) Miscellaneous vehicles : The North Island highways carried 56-24 per cent, and the South 43-76 per cent. Of all motor-vehicles : The North Island highways carried 63-57 per cent, and the South 36-43 per cent. The use of the main-highway system by different types of motor-vehicles is compared in Fig. 7 with, the proportions of each type registered in the Dominion at the end of 1934, 4—H. 40,

25

Annual Vehicle-mileage and Percentage of Total. Type of Vehicle. North Island. South Island. New Zealand. Percent- , -i Percent- TT , . , ' Percent-Veliicle-miles. ™e Vehicle-miles. age _ Vehicle-miles. Private cars .. .. 255,005,060 67-57 146,249,295 67-62 401,254,355 67-59 Trade motors — Under 2 tons .. 31,893,700 8-45 20,783,100 9-61 52,676,800 8-87 2 to 4i tons .. 29,146,710 7-72 11,803,735 5-46 40,950,445 6-90 4i to 6i tons .. 23,144,285 6-13 12,039,890 5-57 35,184,175 5-93 Over ef tons .. 4,077,415 1-08 2,716,695 1-26 6,794,110 1-14 Total trade motors 88,262,110 23-38 47,343,420 21-90 135,605,530 22-84 Public passenger vehicles — Service cars .. 8,116,870 2-15 4,514,320 2-09 12,631,190 2-13 Omnibuses.. .. 2,825,830 0-75 1,826,460 0-84 4,652,290 0-78 Total public pas- 10,942,700 2-90 6,340,780 2-93 17,283,480 2-91 aengerī- vehicles ~ Motor-cycles .. 20,145,445 5-34 13,540,770 6-26 33,686,215 5-67 Trailers .. 2,126,855 0-56 2,047,650 0-95 4,174,505 0-70 Miscellaneous.. .. 957,760 0-25 745,330 0-34 1,703,090 0-29 All motor-vehicles 377,439,930 100-00 216,267,245 100-00 593,707,175 100-00