emona and Verona to Aquileia, and thus connected the Tyrrhenian
and Adriatic seas; to which was added the communication established
in 645 by Marcus Aemilius Scaurus between Luna and Genua, which
connected the Postumian road directly with Rome. Gaius Gracchus
exerted himself in another way for the improvement of the Italian
roads. He secured the due repair of the great rural roads by
assigning, on occasion of his distribution of lands, pieces of
ground alongside of the roads, to which was attached the obligation
of keeping them in repair as an heritable burden. To him,
moreover, or at any rate to the allotment-commission, the custom
of erecting milestones appears to be traceable, as well as that
of marking the limits of fields by regular boundary-stones. Lastly
he provided for good -viae vicinales-, with the view of thereby
promoting agriculture. But of still greater moment was the
construction of the imperial highways in the provinces, which
beyond doubt began in this epoch. The Domitian highway after long
preparations(16) furnished a secure land-route from Italy to Spain,
and was closely connected with the founding of Aquae Sextiae and
Narbo;(17) the Gabinian(18) and the Egnatian (19) led from the
principal places on the east coast of the Adriatic sea--the former
from Salona, the latter from Apollonia and Dyrrhachium--into
the interior; the network of roads laid out by Manius Aquillius
immediately after the erection of the Asiatic province in 625
led from the capital Ephesus in different directions towards the
frontier. Of the origin of these works no mention is to be found
in the fragmentary tradition of this epoch, but they were
nevertheless undoubtedly connected with the consolidation
of the Roman rule in Gaul, Dalmatia, Macedonia, and Asia Minor,
and came to be of the greatest importance for the centralization of
the state and the civilizing of the subjugated barbarian districts.
In Italy at least great works of drainage were prosecuted as well
as the formation of roads. In 594 the drying of the Pomptine
marshes--a vital matter for Central Italy--was set about with great
energy and at least temporary success; in 645 the draining of the
low-lying lands between Parma and Placentia was effected in
connection with the construction of the north Italian highway.
Moreover, the government did much for the Roman aqueducts, as
indispensable for the health and comfort of the capital as they
were costly. Not only
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