Roads

Road contructed to map cell to improve cell speed modification factor.

Roads
Name	Construction Costs			Speed Factor
Paved Road	400 400 800 400 200	0	10h00m	0.65
Roman Road	1600 1600 3200 1600 800	0	01d16h00m	0.5
Trail	100 100 200 100	0	02h30m	0.8