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Mon Line

Mon Line
A double-stack container train on the Mon Line in South Side, Pittsburgh.
Overview
StatusOperational
Owner
Localesouthwestern Pennsylvania
Termini
Service
TypeFreight rail
SystemNorfolk Southern
Operator(s)Norfolk Southern
History
Opened1872
Technical
Line length85 mi (137 km)
Number of tracks1-2[1]
Track gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
Route map

Legend
 Fort Wayne Line
Ohio Connecting Railroad Bridge
CSX Pittsburgh Subdivision
Pittsburgh & Ohio Central Railroad
Allegheny River
AVRR W&P Subdivision
Homestead
Union Railroad
via yard
 Union Railroad Port Perry Bridge
Port Perry Branch
Union Railroad
Union Railroad
W&LE Clairton Branch
Shire Oaks Yard
Ellsworth Secondary
W&LE Speers Railroad Bridge
CSX Mon Subdivision
West Brownsville Junction Bridge
Loveridge Secondary
West Brownsville
street running
 Monongahela River
Manor Branch
to Bailey Mine
 Waynesburg Southern Branch

The Mon Line is an 85-mile long[2] Norfolk Southern rail line which runs along the Monongahela River for most of its route.[3]

History

The predecessor of this line is the Pittsburgh, Virginia and Charleston Railway. The northern portion (Pittsburgh to West Brownsville) of the line is the former main line of the Monongahela Division of the Pennsylvania Railroad, and the southern portion (West Brownsville to Waynesburg) was once part of the Monongahela Railway's Waynesburg Southern Branch.

Its northern terminus was formerly at the junction with the Panhandle Route at the Panhandle Bridge in Pittsburgh, and its southern terminus was near Brownsville, Pennsylvania where it had a connection to the Monongahela Railway.

Conrail transferred the West Brownsville to Waynesburg trackage from the Waynesburg Southern Branch to the former main line of the PRR Monongahela Division and it became the new Mon Line.

In the 1990s, the northern section of the Mon Line began to be used, together with the Port Perry Branch, as a high-clearance route for double-stack container trains.[4][5]

In 2016, a landslide occurred on the Mon Line at the foot of Mount Washington, on part of the line used for double-stack trains.[6] Due to the landslide, Norfolk Southern sought funding in 2017 in order to create an alternative double-stack route through Pittsburgh, using the Pittsburgh Line and the Fort Wayne Line.[7][8]

On August 5, 2018, a train running on the Mon Line derailed east of Pittsburgh's Station Square complex and blocked the tracks, forcing freight service to be suspended. The derailed cars fell down the hillside and onto the tracks below at the "T" light rail system's Station Square station and damaged 1,600 feet (490 m) of light rail tracks; 4,000 feet (1,200 m) of overhead electrical wires; and some concrete on the Panhandle Bridge. The derailment caused no injuries as it occurred 2 minutes after a light rail train departed the station. During cleanup and inspections of the area, the Mount Washington Transit Tunnel was closed and "T" trains were rerouted via the former Brown Line through Allentown. The outbound light rail tracks were opened on August 23, while inbound light rail service resumed on August 25 after repairs were completed. A preliminary report by the Federal Railroad Administration's investigation team found that a fractured track caused the derailment. Norfolk Southern filed a lawsuit in December 2018 seeking $1.1 million in reimbursements from the city for the incident, claiming that they had neglected to maintain the hillside.

Route

The line begins at CP-BELL, at a junction with the Fort Wayne Line,[1] and then crosses the Ohio River on the Ohio Connecting Railroad Bridge, and proceeds along the southern side of the Ohio and Monongahela rivers. The Port Perry Branch joins the line at the PRR Port Perry Bridge near Duquesne, Pennsylvania. There is a section of on-street running track in West Brownsville, Pennsylvania. The line ends near Waynesburg, Pennsylvania.[1]

Usage

The Mon Line is used for high-clearance double stack container trains between the Fort Wayne Line and the Port Perry Branch,[4][5] which continues on to join the Pittsburgh Line to points further east. This bypasses the easternmost portion of the Fort Wayne Line and the westernmost part of the Pittsburgh Line,[3] which have clearance issues for double-stack trains as of 2016.

The line also serves coal mines south of Pittsburgh, including the Bailey Mine.[9]

See also

References

  1. ^ a b c "Pittsburgh Division. Track Charts" (PDF). multimodalways.org. 2012. Retrieved 6 March 2023.
  2. ^ "Norfolk Southern supports shippers and receivers with improvements to major Pennsylvania rail line $22.6 million in improvement projects completed on important coal line".
  3. ^ a b Borkowski, Richard C. (2008). Norfolk Southern Railway. Voyageur Press. pp. 117–118. ISBN 9781616739553.
  4. ^ a b "12. WORK CREW REMOVING CROSS BRACE AT U2, PART OF CONRAil's PROGRAM TO INCREASE CLEARANCE ON ITS BRIDGES AND OVERPASSES FOR DOUBLE-STACK TRAINS. - Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, Allegheny County, PA". Library of Congress. 1994.
  5. ^ a b "Written and historical descriptive data" (PDF). tile.loc.gov. Retrieved 6 March 2023.
  6. ^ "Pittsburgh Landslide Hindered NS Mon Line". 2 July 2016.
  7. ^ "NS to Create Second Stack Route in Pittsburgh |". Archived from the original on 2017-08-03. Retrieved 2017-07-26.
  8. ^ "Norfolk Southern to develop second Pittsburgh route for double-stack freight cars".
  9. ^ "Bailey".
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