They're intended to take unnecessary traffic away from town centres, where there could be congestion. Put simply - if you don't need to go through the centre of a town - a bypass road will take you around the outskirts.
Advantage: A bypass can detour heavy traffic round a village, rather than through a village's narrow streets. Disadvantage: The bypass has to go through other peoples' property or through green belt.
If you are referring to modern British and French roads, the stone-paved roads did not have any advantages over modern roads. Tarmac is a more efficient type of surface. Many of the British and French roads follow the course of the road the Romans had built there.
One of its greatest advantages was its network of roads, canals, and railroads.
advantantages anddusadvantanthage of builing new roads
Flat maps can show roads, streets, and towns.
Animals could pull wagons of goods farther and faster.
they found gold and silver for the mining that they did in the rail roads they built
One of the benefits is Jobs!, better roads,cheese trees
Acts like salt and reduces the temperature at which water freezes, thus making roads safer and less icy
Some advantages to traffic rules include that they keep the roads safer, and they alert drivers to upcoming road conditions. A disadvantage to traffic rules is that not everyone understands them, and they are not always enforced.
Collection costs can absorb up to one-third of revenues, and revenue theft is considered to be comparatively easy.
Income tax helps to provide the infrastructure that businesses need to survive. They pay for necessities such as roads and utility services.