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I-25 Southeast Corridor
and CTMS Integration Activities
C.D.O.T. is currently working on two major ITS projects. The first is
the Colorado Transportation Management System (CTMS), which is underway
and encompasses a number of statewide ITS integration activities. The
CTMS builds on the ITS systems and architecture developed in recent years
during the state-funded Revised Model Deployment Initiative (RMDI). The
second is the I-25 Southeast Corridor project. This is a $1.5 billion
program to provide capacity and transit improvements to the I-25 corridor
from south Denver through the Denver Technological Center (DTC) in the
southern suburbs, the most heavily traveled segment of interstate highway
in Colorado. ITS planning activities for that project are in progress
as C.D.O.T. realizes that active ITS measures will be required to operate
and mange the corridor over the required five to seven year construction
period.
The original language
attached to the FY 2000 Congressionally Designated Earmark calls for
the project funding to be used within Arapahoe and Jefferson Counties
in the Denver area. As a large portion of the Southeast Corridor (SEC)
project passes through Arapahoe County, the first component of the project
will focus on start-up integration activities for the SEC. That work
will concentrate on development of center-to-center interfaces between
C.D.O.T. and the following agencies, all of which currently participate
in ongoing task forces planning the SEC project:
· Arapahoe
County
· Aurora
· Colorado State Patrol
· Denver
· Douglas County
· Englewood
· Greenwood Village
· Littleton
· Regional Transportation District (RTD)
Integration activities
undertaken herein will allow a jump start of the SEC deployment program
such that C.D.O.T. is better positioned to successfully operate, manage,
and maintain I-25 when construction starts in earnest. Early integration
will allow corridor agencies to share information, manage incidents,
pool surveillance data and other resources, and determine efficient
methodologies with which to disseminate traveler information to the
public. Simply stated, the funding for this project will be used to
help mitigate the impact of the SEC construction work.
Pending Federal
Highway Association approval, C.D.O.T. may also use a component of the
funding to help accelerate development of the Colorado Transportation
Management Center (CTMC) to Colorado Spring's interface, a project that
is underway as part of the CTMS. The Colorado Springs Traffic Operations
Center provides freeway and surface street management in Colorado Springs
(El Paso County) and southern Douglas County. In addition, this center
can be used to provide information to the traveler heading north to
Denver along I-25. As of this date, the theory of operations and system
requirements for that interface are complete, and the two parties have
initiated a work station exchange as an interim measure; however, there
may be insufficient funding allocated to move beyond the design stage.
The Jefferson County
component of the project will be addressed as follows. As part of the
CTMS, C.D.O.T. is developing a C2C interface with the City of Lakewood.
Additional CTMS activities include development of a low-speed communications
architecture intended for deployment activities, and enhancing or providing
better internal integration for the following subsystems: weather, "central"
closed circuit television (CCTV), automated traffic recorder (ATR),
highway advisory radio (HAR), variable message signs (VMS), and enhancing
C.D.O.T.'s kiosk and Internet information dissemination subsystems.
As the CTMC and Lakewood are within Jefferson County, C.D.O.T. proposes
to use a second component of the project funding to accelerate the referenced
integration activities (including the Lakewood interface), as well as,
develop initial planning for additional Jefferson County C2C interfaces.
C.D.O.T. Region
6 (R6) is a Colorado leader in the development of incident management
and response planning. I-25 through the DTC (i.e. SEC through Arapahoe
County and the surrounding) has a mature incident management plan, and
6th Avenue (US-6) through Denver and the western suburbs (i.e. Jefferson
County) is a second corridor, which R6 will study in additional detail
this year. Both plans call for coordinated incident management between
a number of enforcement and response agencies. Consequently, at C.D.O.T.'s
discretion and with the approval of FHWA, portions of the project funding
will be used for integration to enforcement or emergency response agencies
in order to enhance coordination and information exchange.
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