Team # 28079 Page 3 of 35
1 Introduction
Generally, overtaking takes place when a car is driven at a higher speed than the car before it.
In that way, the car can’t move at the speed it expected, so it will try to exceed the car before
which academic term is overtaking. The drivers can drive their cars at a higher speed on the
highway in contrast to driving on the normal roads. However the phenomenon of overtaking
is ubiquity as a result of the personal factors of different drivers and the wide range of speed
limits.
It is dangerous to overtake cars for lots of factors affect the process like the way of overtaking,
the reaction time of driver and environment factors, etc. Also overtaking will affect the traffic
on the highway because of it need time to adjust when a car exceeds another through which
might lead to partial blockage and even traffic jam.
In countries where driving automobile on the right is the rule (that is, USA, China and most
other countries except for Great Britain Australia and some former British colonies),
multi-lane freeways often employ a rule that requires drivers to driver in the right-most lane
unless they are passing another vehicle to ensure the safety of drivers driving on the freeway
and the traffic of the freeway. As the tradition rule, it is important to improve safety and
traffic.
Things change as time passes by. Nowadays there are more and more cars but the number of
roads and highways didn’t catch the pace. So it is common to see the traffic jam on the roads.
It inspires us start to think about: How does ‘The Keep-Right-Except-To-Pass-Rule’ influence
the traffic on the road? What does the speed limit do? Is there any other improved rule or
alternative rules that may cause better influence? What makes difference of driving on the
right and driving on the left?
In order to address problems above, we conclude four sub-problems to tackle in our paper:
Model building of the keep right except to pass rule to simulate the traffic. Find out the
relation between the safety and flow, the role of speed limit and other factors that may be
important.
Finding out improved rule or alternative rules that may have better influence.
Model building and analysis the influence of rules in the situation of driving automobile
on the left and find out what change should be make.
Model building of the intelligent transportation system and analysis what changes it
brings to the traffic.
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