124 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 $64,214 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. 



Lenijth of road, 26 miles, all double track ; branches, sidings, &c., 16f miles : equivalent to 

 6Sf miles single track. Maximum grade, 10 feet for 6 J miles; total rise and fall, 190 feet; 

 minimum radius 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, 27-5,681. 



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 46J double track; branches, sidings, &c., 29J miles: 

 equivalent to 103 J miles single track. Maximum grade, 47 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, 585 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 $55,558 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, 43 miles, of which 15f double track; sidings, branches, &c., 19 miles: equivalent 

 to 78J miles single track. Maximum grade, 37 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 



