Report On the Traction Improvement And Development Within the Providence Distric
Report On the Traction Improvement And Development Within the Providence Distric
Bion J Bion Joseph Arnold
The book Report On the Traction Improvement And Development Within the Providence Distric was written by author Bion J Bion Joseph Arnold Here you can read free online of Report On the Traction Improvement And Development Within the Providence Distric book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Report On the Traction Improvement And Development Within the Providence Distric a good or bad book?
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For eighteen hour operation, this corresponds to an annual total of 114, 000 car miles per mile of track. Up to this point single track can be operated effectively with the proper number of turn-outs for accommodating the headway, but as a general rule, when necessary turn-outs are more frequent than three per mile, or 1, 750 feet corresponding to an average of 2. 5 minutes headway, dotible-tracking becomes advisable. The average length of a turn-out is perhaps 280 feet, so that the additional ...cost of special work is in the end greater than straight double track. In Providence the minimum spac- ing of turn-outs is about 1, 600 feet on Friendship street and 1, 000 feet on Pocasset avenue. The latter street carries the traffic converging from two lines, — Plainfield street and Dyei avenue, while Friendship street carries but one. In cases where double tracks cannot be located in the centre / of the street and an alternative parallel route does not exist, / side track location must be resorted to, and the objections / of citizens to this method of providing proper transit facilities V.
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