Rpp Our Busy Roads
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The long straight roads built by the Romans wherever they conquered have, in many cases, become just as famous names in history as their greatest emperors and generals. Building upon more ancient routes and creating a huge number of new ones, engineers were audacious in their plans to join one point to another in as straight a line as possible whatever the difficulties in geography and the costs in manpower. Consequently, roads used bridges, tunnels, viaducts, and many other architectural and engineering tricks to create a series of breathtaking but highly practical monuments which spread from Portugal to.
The network of public Roman roads covered over 120,000 km, and it greatly assisted the free movement of armies, people, and goods across the. Roads were also a very visible indicator of the power of, and they indirectly helped unify what was a vast melting pot of cultures, races, and institutions.The Roman Road NetworkThe Romans did not invent roads, of course, but, as in so many other fields, they took an idea which went back as far as the and extended that concept, daring to squeeze from it the fullest possible potential.
The first and most famous great Roman road was the Via Appia (or Appian Way). Constructed from 312 BCE and covering 196 km (132 Roman miles), it linked Rome to Capua in as straight a line as possible and was known to the Romans as the Regina viarum or 'Queen of Roads'. Much like a modern highway, it did not go through less important towns along the way, and it largely ignored geographical obstacles. For example, the impressive 90 km stretch from Rome to Terracina was built in a single straight line.
The road would later be extended all the way to and thus reach 569 km in length (385 Roman miles). The network gradually spread across the empire from to and certain roads became as well-known and well-travelled as those around Rome itself.Other famous roads in were the Via Flaminia which went from Rome to Fanum (Fano), the Via Aemilia from Placentia to Augusta Praetoria (Aosta), the Via Postumia from to Genua (Genoa), the Via Popillia from Ariminum (Rimini) to Padova in the north and from Capua to Rheghium (Reggio Calabria) in the south, and many more besides, all with extensions made over time. The roads became so famous that they even gave their names to places and regions. The network gradually spread across the empire from Britain to Syria, and certain roads became as well-known and well-travelled as those around Rome itself. For example, the Via Domitia (begun in 116 BCE) went from the French Alps to the Pyrenees and was invaluable for troop movements in the campaigns in Spain.
There was also the Via Egnatia (begun in the mid-second century BCE), which crossed the Balkan Peninsula and ended at, making it a vital land route between the western and eastern parts of the empire.To achieve the objective of constructing the shortest routes possible between two points (often not visible one to the other), all manner of engineering difficulties had to be overcome. Once extensive surveying was carried out to ensure the proposed route was actually straight and determine what various engineering methods were required, marshes had to be drained, forests cut through, creeks diverted, bedrock channelled, mountainsides cut into, rivers crossed with bridges, valleys traversed with viaducts, and tunnels built through mountains. Once all that was done, roads had to be levelled, reinforced with support walls or terracing and then, of course, maintained, which they were for over 800 years.Besides permitting the rapid deployment of troops and, more importantly, the wheeled vehicles which supplied them with food and equipment, Roman roads allowed for an increase in and cultural exchange. Roads were also one of the ways Rome could demonstrate its authority. For this reason many roads began and ended in a, and the imperial prestige associated with realising the project was demonstrated in the fact that roads were very often named after the magistrate official who funded it; hence, for example, the Via Appia takes its name from the Appius Caecus. Road Design & MaterialsMajor roads were around a standard 4.2 m wide, which was enough space for two wheeled-vehicles to pass each other. Roads were finished with a gravel surface sometimes mixed with lime or, for more prestigious sections such as near towns, with dressed stone blocks of volcanic tuff, cobbles, or paving stones of basalt ( silice) or limestone.
First a trench was dug and a foundation ( rudus) was laid using rough gravel, crushed brick, clay materials or even wooden piles in marshy areas, and set between curb stones. On top of this a layer of finer gravel was added ( nucleus) and the road was then surfaced with blocks or slabs ( summum dorsum). Mountain roads might also have ridges running across the surface to give people and animals better traction and have ruts cut into the stone to guide wheeled vehicles.Roads were purposely inclined slightly from the centre down to the curb to allow rainwater to run off along the sides, and for the same purpose many also had drains and drainage canals. A path of packed gravel for pedestrians typically ran along each side of the road, varying in width from 1-3 metres. Separating the path from the road, the curb was made of regular upright slabs. In addition, every 3-5 metres there was a higher block set into the curb which stopped wheeled traffic riding onto the footpath and allowed people to mount their horses or pack animals.
Rpp Our Busy Roads In America
Busier stretches of main roads had areas where traffic could pull over and some of these had services for travellers and their animals too. Milestones were also set up at regular intervals and these often recorded who was responsible for the upkeep of that stretch of the road and what repairs had been made. Bridges, Viaducts, & TunnelsLasting symbols of the imagination of Roman engineers are the many arched bridges and viaducts still standing around the empire. From early bridges such as the Ponte di Mele near Velletri with its single vault and modest span of 3.6 m to the 700 m long, 10-arch viaduct over the Carapelle River, these structures helped achieve the engineers' straight-line goal. The Romans built to last, and the piers of bridges which crossed rivers, for example, were often built with a more resistant prow-shape and used massive durable blocks of stone, while the upper parts were either built of stone blocks strengthened with iron clamps, used cheaper concrete and brick, or supported a flat wooden superstructure. Perhaps the most impressive bridge was at Narni.
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180 m long, 8 m wide and as high as 33 m, it had four massive semicircular arches, one of which, stretching 32.1 m, ranks as one of the longest block-arch spans in the ancient world. Two of the best surviving bridges are the Milvian bridge in Rome (109 BCE) and the bridge over the river Tagus at Alcantara (106 BCE) on the Spanish-Portuguese border.