. Electric railway journal . 6x6x6, Special Filler Brick atGaqe Line,.2 Sana1. 2 Coarse Sand 6 Concrete Bal/asf Slab Sub -ballasf k - -—16 Width of Roadbed 29 for Double - - Track, 13C. to C. r EMBANKMENT EXCAVATION FIG. 6 MINIMUM WIDTHS OF ROADBED AND SOME TYPICAL ROADBED SECTIONS Fig. 4—Minimum widths for single-track road-bed recommended by the American RailwayEngineering Association. Fig. 5—Typical roadbed sections. Fig. 6—Roadbed and ballast section, MichiganUnited Railways. Fig. 7—Construction for interurban track inpaved streets, Michigan United Railways. the cost of main
. Electric railway journal . 6x6x6, Special Filler Brick atGaqe Line,.2 Sana1. 2 Coarse Sand 6 Concrete Bal/asf Slab Sub -ballasf k - -—16 Width of Roadbed 29 for Double - - Track, 13C. to C. r EMBANKMENT EXCAVATION FIG. 6 MINIMUM WIDTHS OF ROADBED AND SOME TYPICAL ROADBED SECTIONS Fig. 4—Minimum widths for single-track road-bed recommended by the American RailwayEngineering Association. Fig. 5—Typical roadbed sections. Fig. 6—Roadbed and ballast section, MichiganUnited Railways. Fig. 7—Construction for interurban track inpaved streets, Michigan United Railways. the cost of maintenance of rolling stock as well as of thetrack. For instance, a dusty ballast will cause a morerapid wear of journals and other exposed moving partsof cars, while the differing character of materials re-quires varying degrees of tamping and which does not drain readily will hasten thedestruction of ties from decay, and material which re-quires frequent tamping will cause damage to the tiesfrom the tamping tools. Rail and tie-plate cutting ofties is found t
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