Lake Highlands LRT Station Categorical Exclusion Page: 9
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DART Lake Highlands LRT Station
CATEGORICAL EXCLUSION
H. & I. NOISE AND VIBRATION
A complete noise and vibration assessment was conducted for the proposed
Lake Highlands LRT Station. This assessment is detailed in Appendix D. The
following is a summary of the findings:
The major source of noise and vibration along the Northeast Corridor and at the
proposed Lake Highlands LRT Station is the operation of the LRT vehicle. Both
noise and vibration levels are dependent on the speed of the vehicle. As the
speed of the vehicle increases, the noise and vibration levels increase and as the
speed decreases, the noise and vibration levels decrease. The current Blue Line
LRT speeds in the area are 50-55 mph. The effective speed for the proposed
station would only be 20 mph. Based on this lower speed, both the noise and
vibration levels generated by the LRT are projected to drop significantly with the
addition of the proposed station.
Potential noise impacts resulting from construction activities are expected to be
minimal. Noise associated with the construction of the proposed station would
result from heavy machinery. Construction normally occurs during daylight hours
when occasional load noises are tolerable. No extended disruption of normal
activities is expected. Provisions would be included in the proposed station plans
and specifications that require the contractor to make every reasonable effort to
minimize construction noise through abatement measures such as work-hour
controls and proper maintenance of muffler systems.
Finding: Based on the modeled reduction, there are no noise or vibration
impacts projected in association with the proposed Lake Highlands LRT
Station.
J. ACQUISITIONS AND RELOCATIONS REQUIRED
The proposed Lake Highlands LRT Station is completely contained within an
existing DART owned LRT ROW that is 16.7 miles in length. The additional
Phase II parking area would be located on Prescott Realty property and would be
used with an agreement with the private land owner. The pedestrian walkway
would be constructed partly within the City of Dallas-owned Walnut Hill Lane
ROW and would be utilized with an agreement with the City of Dallas.
Finding: DART currently owns this parcel, or is developing agreements for
the use of the necessary land; therefore, no land acquisitions or property
displacements would be required for the proposed Lake Highlands LRT
Station.Page 9
DART
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Dallas Area Rapid Transit. Lake Highlands LRT Station Categorical Exclusion, report, September 2009; (https://texashistory.unt.edu/ark:/67531/metapth1148407/m1/19/?rotate=270: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting Dallas Area Rapid Transit (DART).