2012 Budget Book.indd - Metra

and periodic replacement of switches and switch
machines. Turnouts must be inspected and replaced
frequently to protect against derailment. While
minor defects in switch points and turnouts can be
remedied with eld welding, their replacement over
time is required to ensure reliable operations.
PE 4633 RAIL, UPR
This project provides for the replacement of rail
on the Union Paci c Commuter Lines. Speci c
locations are to be determined. In the course of
installing the rail, a portion of the ties, ballast, and
other track material is typically replaced as well. Rail
replacement provides assurance of continued safe
operations, reduction of maintenance costs, and a
smoother, quieter ride for commuters.
PE 4635 BRIDGE IMPROVEMENTS, BNSF
PE 4636 BRIDGE IMPROVEMENTS, MET
PE 4637 BRIDGE IMPROVEMENTS, UPR
These projects fund the improvement of bridges
along the BNSF Railway, the Metra system, and
the Union Paci c commuter rail lines. These
improvements can include such rehabilitation items
as timber wingwalls and fencing, cracked bearing
blocks, and cracked bridge seats on abutments.
Speci c improvements will be determined based on
a survey of eld conditions.
PE 4640 BRIDGE FILL, Z92, MWD
This project consists of removal of an existing bridge
at the Chicago Gravel Company (M.P. 34.2) on the
Milwaukee District West Line. The steel structure
will be removed and will be replaced with earth
ll. Utility lines will be relocated and/or modi ed as
necessary.
PE 4648 ROW FENCING, UPR
This project consists of the materials and labor
necessary to erect fencing along the railroad rightof-way
on the Union Paci c commuter rail lines.
Speci c locations are determined based on eld
conditions and are subject to change in the course of
consultation with local o cials.
SIGNAL, ELECTRICAL and
COMMUNICATIONS
PE 2938 A-5 INTERLOCKER RENEWAL
This project consists of the modernization and
upgrade of the A-5 interlocker at Paci c Junction
in Chicago, Illinois. This is the point where the
Milwaukee district main line diverges into the West
and North lines.
Under this project, signal system components will be
replaced. The interlocker control will be upgraded
to a solid state system. Additionally, the control
point will be shifted from the A-5 Tower to Metra’s
Consolidated Control Facility (CCF) at 1501 S. Canal
Street, Chicago.
PE 3337 LAKE STREET INTERLOCKER, UPR
This project consists of the modernization and
upgrading of the Lake Street interlocker, at the north
end of the Ogilvie Transportation Center (OTC). It will
replace track, trackbed, switches, switch machines,
switch heaters, dwarf signals, and signal cable for the
remaining facilities. In addition, in a future year, the
interlocking control machine in Lake Street Tower will
be replaced by modern solid state equipment.
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