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FIGURE 38.5<br />

K Units<br />

FIGURE 38.6<br />

7000<br />

6000<br />

5000<br />

4000<br />

3000<br />

2000<br />

1000<br />

0<br />

As one can easily see, VICS is not likely to reduce traffic congestion and accidents in a direct way. But<br />

according to some statistics it is said that VICS also provides people with a kind of comfort when they<br />

drive. So VICS is very useful to reduce traffic problems.<br />

At the time the VICS service started, Tokyo, Aichi, and Kansai were the only three available areas to<br />

receive the information provided by VICS service. But now the service areas have spread to almost all<br />

over Japan. Figure 38.6 shows how rapidly both in-vehicle navigation system and VICS terminals grow<br />

in Japan. White bars in Fig. 38.6 show the accumulated number of in-vehicle navigation units in Japan. At<br />

the end of the last year, the number reached to about 6 million units. Getting along the growth of in-vehicle<br />

© 2002 by CRC Press LLC<br />

��������������<br />

���<br />

��� ���<br />

Nine fields of Japanese ITS.<br />

Accumulated numbers of units.<br />

���<br />

����<br />

����<br />

�������<br />

��� ���<br />

Enlargement of<br />

Vehicle Navigation<br />

, 92<br />

, 93<br />

, 94<br />

, 95<br />

, 96<br />

, 97<br />

�����<br />

Enlargement of<br />

VICS terminal<br />

, 98<br />

,<br />

99<br />

3/2000

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