The bar chart illustrates the proportion of funds that authorities invest on roads and transport in four specific countries from 1990 to 2005.
Overall, there was a downward trend in all categories over the period. Notably, while the figure for Portugal was the highest figure, the traffic system in UK seemed not to be considered by the governments.
Regarding the statistics for Portugal and UK, in 1990, the proportion of government spending on traffic in Portugal accounted for about 27% and then decreased rapidly with exactly 20% in 1995. By contrast, there was a gentle increase in the figure for UK from 1990 to 1995, but this figure experienced a dramatical fall in 2000 and then recovered to approximately 8% in 2005. Furthermore, the statistic for Portugal declined continually from 1995 to 2005 and ended with over 15%.
Between 1990 and 1995, there was the same trend in the figures for Italy and USA, they decreased with over 15% and about 13% respectively. However, in 2000, the percentage of funds spend on roads and transportation in USA rose slightly with about 14% that surpassed the figure in Italy. Additionally, while the proportion of authorities spend on traffic system in Italy recovered to about 14% in 2005, that in USA fell with about 13% with ranking third.
