Evaluating Alternative Operations Strategies to Improve Travel Time ...
Evaluating Alternative Operations Strategies to Improve Travel Time ...
Evaluating Alternative Operations Strategies to Improve Travel Time ...
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SHRP 2 L11: Final Report<br />
Table 6.3 Key Information Collection and Dissemination <strong>Strategies</strong> – Continued<br />
Strategy<br />
2.3.Pre-trip<br />
Information<br />
2.4.Real-time<br />
Information<br />
2.5.Roadside<br />
Messages<br />
Treatments<br />
National Traffic and Road<br />
Closure Information<br />
Planned Special Events<br />
Management<br />
Pre-trip information by 511,<br />
web sites, subscription alerts,<br />
511, real-time navigation<br />
systems<br />
Road Weather Information<br />
Systems (RWIS)<br />
Freight Shipper Congestion<br />
Information/Commercial<br />
Vehicle <strong>Operations</strong><br />
(CVO)/Border Technology<br />
Systems/Smart<br />
Freight/Weigh in Motion<br />
<strong>Travel</strong> <strong>Time</strong> Message Signs<br />
for <strong>Travel</strong>ers (DMS)/Queue<br />
Warning Systems<br />
SWOT Technology Status Application<br />
Low, Current, <strong>to</strong> Sources<br />
Medium, Emerging, of<br />
High New Congestion<br />
Strengths Weaknesses Opportunities Threats<br />
<strong>Improve</strong><br />
reliability<br />
and<br />
mobility<br />
<strong>Improve</strong><br />
reliability<br />
and<br />
mobility<br />
<strong>Improve</strong><br />
reliability<br />
and<br />
mobility<br />
<strong>Improve</strong><br />
reliability<br />
and<br />
mobility<br />
<strong>Improve</strong><br />
reliability<br />
and<br />
mobility<br />
<strong>Improve</strong><br />
reliability<br />
and<br />
mobility<br />
Accuracy,<br />
Variability in<br />
traffic conditions<br />
not quickly<br />
reflected by the<br />
system<br />
Lack of<br />
coordination<br />
between event<br />
and<br />
transportation<br />
agencies<br />
Accuracy,<br />
Variability in<br />
traffic conditions<br />
not quickly<br />
reflected by the<br />
system<br />
Variability in<br />
traffic conditions<br />
not quickly<br />
reflected by the<br />
system<br />
Cost, driver<br />
acceptance ,<br />
multiple agency<br />
cooperation<br />
required<br />
Variability in<br />
traffic conditions<br />
not quickly<br />
reflected by the<br />
system<br />
Simple<br />
improvements <strong>to</strong><br />
remedy accuracy<br />
Public demand<br />
Implementation on<br />
remote areas<br />
where weather<br />
information is<br />
critical <strong>to</strong> drivers<br />
Implementation on<br />
remote areas<br />
where weather<br />
information is<br />
critical <strong>to</strong> drivers.<br />
Increased freight<br />
activity<br />
Integration with<br />
other ITS<br />
technologies for<br />
faster information<br />
update<br />
Diversity (size,<br />
location,<br />
purpose)<br />
Other<br />
technologies<br />
(vehicle<br />
integrated)<br />
Other<br />
technologies<br />
(vehicle<br />
integrated)<br />
Other freight<br />
modes. May<br />
require sharing<br />
private company<br />
information, lack<br />
of standards<br />
Other<br />
technologies<br />
(vehicle<br />
integrated)<br />
Medium<br />
Medium<br />
High<br />
Current<br />
Current<br />
Emerging<br />
Weather<br />
Work Zones<br />
Special<br />
Events<br />
All but Traffic<br />
Control<br />
Devices<br />
Low-Medium Current Weather<br />
Medium<br />
Current<br />
and<br />
Emerging<br />
All<br />
High Emerging All<br />
OPERATIONS STRATEGIES AND TREATMENTS TO IMPROVE TRAVEL-TIME RELIABILITY Page 70
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