Simplify the following text for a Grade 10 native English-speaking person.
Original: In Eastney and Southsea , he gained his first taste of the complexity of the problems created by traffic , of measures to be taken for its efficient control and of the need to promote road safety .
Simplified: In Eastney and Southsea , he first had to deal with the problems created by traffic , including ways for its efficient control and of the need to promote road safety .