Town Traffic in Accra, but Where's the Solution?

With the great number of cars on the road, is this phenomenon really that inevitable?

What is curious, however, is the number of roadworthy cars that make it on the road and which go on the road in disproportionate fashion to the number of good roads that are built.

Ghana has seen an increase in well-constructed roads all round the country, but the capital seems to suffer the most when these roads are completed. This is because good roads invite more people with cars to use them, especially because they get to their destination in a hassle-free manner.

What's the science for ridding Accra of a considerable degree of traffic other than...more flyovers??