Route table from Arnold Report

[Jim Holland]

Greetings!

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Dr. Don Galt said:

	Assuming that I have interpreted the column correctly, I am at a loss
to explain how, for example, the short Charles Street Transfer and
Library Street lines would be assigned 6 cars. Such over-assignment
seems too consistent among short shuttle lines to be a mistake.

		Cars	Seats        Headways  	Round trip
Rte #	Name	Aft.	Aft.	Mid-	Aft.	   Mileage
		Peak	Peak	day	Peak	Run’ng	Dead

- 314	Bon Air	 4	 96	15	15	.70	3.60

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	How do we explain four cars on the Bon Air - a totally single track
line without passing sidings not even 3/4 miles?

	Also, how do we explain one car after peak on Washington to Pittsburgh
with 60 minute headways and 58.02 miles round trip?  Also, how do we
explain 2 cars after peak on Charleroi with 30 minute headways and 65.24
miles roundtrip?  The PCC was  a-l-m-o-s-t  that fast (?!!!) but it
wouldn't debut for another 40 years!

	What I *assume*  ---  in the case of the interurbans  ---  is that this
is the car assignment from the local Car House - Charleroi or
Tylerdale.  In 1910, this was the only interurban Car House as Castle
Shannon didn't come into play until 1912 and car assignments were split
between locations  --  so even that can't be an explanation.  I have
glanced thru the list and don't see any other car assignments for the
interurbans.

	We must be missing some other interpretation - like number of trips per
hour.  That would make more sense.  Six trips/hour on Charles Street - 4
trips/hour on Bon Air - 2 trips an hour on Charleroi - 1 trip an hour on
Washington.  All this matches the headway information but seems
redundant!

James B. Holland
------- -- ---------
        Pittsburgh Railways Company (PRCo), June of 1949 -- June of 1953
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