With the arrival of petrodollars, the Kingdom of Saudi Arabia has initiated many mega infrastructure development projects in the country, and the extensive development of the transport network has followed suit in support of various economic developments. As a result, the country now boasts an extensive transport network. Saudi Arabia had encouraged road transportation in the past as had it maintained one of the lowest petrol prices in the world, at $0.13 per litre. In 2018, this price was raised to about $0.54 per litre, which is still not that high global-wise but definitely the highest it had ever been in the oil producing kingdom.