When the Los Angeles-Chicago train is ready to depart at 7:40
AM (after a 1,500-mile inspection), it follows the same route the northbound Texas Eagle uses
today. It shoves west from station track # 3 to Del Rio Main Track # 1 and back to Tower 112.
Then when it is clear of the Austin Subdivision Track 2 switch at Tower 112, the train begins to
travel railroad north on the Austin Subdivision Track 2.
When did 22 depart north by backing out of San Antonio? Its already facing north, it used to depart heading north,when did it change?
There is no direct connection between either of the tracks that go north out of San Antonio and the east-west line on which the Amtrak Station is located that permits the Texas Eagle to move directly into and out of the Amtrak San Antonio station.
A little history:
(In these following descriptions I am using east and west or north and south based on railroad east and west or north and south. The ex-SP I am calling east-west in orientation. In reality, the SP makes two 90 degree turns so that the compass orientation of the line through the station is north-south, with the north end of the station described as “east.”)
The east-west track is the former Southern Pacific line, and the station is at/adjacent to the Southern Pacific station. The SP station is on the east side of downtown.
There were and are two lines going generally north out of San Antonio. These lines come together about 50 miles north of San Antonio.
The former Missouri Pacific main came in from the north and northeast and was the route of the original Texas Eagle, to St. Louis which, by the way did not go through Dallas. The MoPac had a station on the west side of downtown. This station no longer exists. This track crosses the ex-SP line at and continues south to Laredo.
The former Missouri Kansas Texas main came in from the northeast and was the route of the Texas Special, to St. Louis which did not go through Dallas. The MKT also had their own station. It was a stub end station, located somewhat south of downtown in between the other two stations. This station no longer exists.
The ex-Missouri Pacific and ex-Missouri Kansas Texas both went through Austin, partly each on their own track and partly with MKT trackage rights on the MoPac. The each also had their own station in Austin.
These lines are now both in the Union Pacific house. They now are both listed in the Up employee timetable as part of the Austin Subdivision. The track designated as track 1 of this subdivision is the ex-Missouri Pacific main. The track designated as track 2 of this subdivision is the ex-Missouri Kansas Texas main. These lines come together about 50 miles north of San Antonio.
The ex-SP main crosses over the ex-MKT track (now called track 2 of the UP Austin Subdivision) approximately 2 miles east of the Amtrak station. This is not a grade crossing. The ex-SP is above the ex-MKT. There is not connection at this location. Looking at an aerial photo, there appears to have been one in the past.
The junction between these two lines is at Tower 112, which is 1.7 miles west of the SP station.
The ex-MKT turns out of the SP at tower 112 toward the south side. It heads compass east for about 3 miles, then turns north, crossing under the SP about 5 miles from tower 112.
The ex-SP main crosses ex-MoPac at Tower 105, which is 1.7 miles beyond tower 112, placing it 3.4 miles beyond the Amtrak station. There is also a secondary track connecting these two lines between tower 112 and a point called Apache Junction. This distance between these points is 1.6 miles. Apache Junction is 0.5 miles north of tower 105.
The normal route of the southbound Texas Eagle into town is to come in on Track 1. Whether it goes to Tower 105 and then backs to the station or goes through Apache Junction on the connection to Tower 112 and pulls into the station, I do not know. However, if it goes through the connection, it will enter the station aimed east (compass north). Anyone who has ridden through cars from the Texas Eagle to the Sunset could answer that one. If they leave town on the Sunset facing backward from that of their trip south, then they went through the connection. If they back into the San Antonio station and then leave San Antonio aimed the same direction as the normal for their trip in, they went through Tower 105.
The normal direction for northbound trains out of San Antonio is by way of Track 2. For the northbound Texas Eagle to get on track 2, it will leave station backing up westbound on the ex-SP to Tower 112, then going forward on Track 2 is the normal route of the northbound Texas Eagle.
These junctions, slow tracks, and reversals are the reasons for the very slow Austin to San Antonio times for the TE in both directions.