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CHARACTERISTICS AND COST OF RAILWAYS. 
Superstructure, per mile of single track. $7,243 78 
Engineering, per mile of main road... $1,105 74 
Total cost of road in complete running order, per mile of main road. $04,214 56 
Total cost of road in running order, exclusive of land damages and stations, per 
mile of main road. $60,042 52 
Velocity of express trains, 35 miles ; accommodation trains, 28 miles ; freight trains, 15 miles 
per hour. 
2 . Boston and Lowell railway. 
Length of road, 26 miles, all double track ; branches, sidings, &c., 16f miles : equivalent to 
68 f miles single track. Maximum grade, 10 feet for 6 J miles; total rise and fall, 190 feet; 
minimum l'adius of curvature, 1,975 feet ; total degrees of curvature, 665°; weight of rail per 
yard, 56, 60, 63 pounds ; 9 way stations, 22 engines, 22 passenger-cars, 11 baggage-cars, 308 
freight-cars ; miles run in one year, 275,6S1. 
Graduation and masonary, per mile of main road. $15,475 00 
Wooden bridges, (2,397 feet,) per running foot. $18 81 
Superstructure, per mile of single track. $4,967 60 
Engineering, per mile of main road. $1,632 35 
Total cost of road, equipment, &c., in complete running order, per mile of main 
road. $78,636 00 
Total cost of road in running order, exclusive of land damages and stations, per 
mile of main road. $39,090 34 
On the road the land damages and cost of depots, stations, &c., were enormous. Velocity 
of express trains, 35 miles ; accommodation, 25 miles; freight, 12 miles per hour. 
3. Boston and Maine railway. 
Length of road, 74 miles, of which 46£ double track ; branches, sidings, &c., 29£ miles: 
equivalent to 103 4 miles single track. Maximum grade, 474 feet for three-fourths of a mile; 
total rise and fall, 1,498 feet; minimum radius of curvature, 1,050 feet; total degrees of curva¬ 
ture, 1,988®; weight of rail per yard, 56 and 60 pounds; 18 way-stations; 28 engines; 35 
passenger-cars, 13 baggage-cars, 5S5 freight-cars; number of miles run in one year, 516,328. 
Graduation and masonry per mile of main road. $11,920 00 
Wooden bridges, (9,619 feet,) per foot. $38 61 
Superstructure, per mile of single track. $9,517 67 
Total cost, in complete running order, per mile of main road. $55,55S 71 
Total cost in running order, exclusive of land damages, stations, &c., per mile 
of main road. $38,525 78 
Velocity of express trains, 36 miles per hour. 
Velocity of accommodation trains, 24 miles per hour. 
Velocity of freight trains, 11 miles per hour. 
4. Boston and Providence railway. 
Length, 43J miles, ol which 15f double track; sidings, branches, &c., 19 miles: equivalent 
to 784 miles single track. Maximum grade, 37J feet; total rise and fall, 505 feet; minimum 
radius of curvature, 1,910 feet; total degrees of curvature, 342°; weight of rail yer yard, 56 to 
58 pounds; 26 way-stations; 20 engines; 31 passenger-cars; 9 baggage-cars; 125 freight- 
cars ; number of miles run in one year, 305,734. 
Graduation and masonry, per mile, main road. $17,625 50 
Wooden bridges, per running foot. $32 00 
