Evaluating Alternative Operations Strategies to Improve Travel Time ...

SHRP 2 L11: Final Report
Table 6.6 Key Infrastructure Improvements and Demand Optimization Strategies
Strategy
5.1.Geometric
Design
Treatments
5.2.Access
Management
Treatments
Bottleneck Removal
(Weaving,
Alignment)
Geometric
Improvements
(Interchange, Ramp,
Intersections,
Narrow Lanes,
Temporary Shoulder
Use)
Access Management
(Driveway location,
Raised medians,
channelization,
frontage road)
Transportation
Management Center
(TMC)
SWOT Technology Status Application
Low, Current, to Sources
Strengths Weaknesses Opportunities Threats Medium, Emerging, of
High New Congestion
Reduce
congestion
Improve mobility
Improve mobility
and safety
More efficient
coordination and
operation of
various
transportation
systems
Cost
Difficulty of postconstruction
Cost
Cost
Difficulty of
postconstruction
N/A
Current
Sustainability Low Current
Incorporated into
regional
planning/land use
programs
Technology
development and
deployment may
reduce installation
costs
Difficult to
implement in
post
development
stage
Low
Medium
Current
Current and
Emerging
Physical
Bottlenecks
Physical
Bottlenecks
Traffic
Incidents
Traffic
Incidents
All but
Bottlenecks
5.3.Signal
Timing/ ITS
Signal Retiming/
Optimization
Improved
mobility/ reduced
fuel consumption
Cost - Corridor
Implementation
Overall network –
wide optimization
Low
Current
Traffic Control
Devices
Traffic Signal
Preemption at Grade
Crossings
Reduce delay
and improve
safety
Highway/
railroad
interagency
cooperation
Better traffic
management
strategy due to the
interconnection
highway and rail
signal systems
Increasing
highway and
rail traffic
volumes
Medium
Emerging
Traffic Control
Devices
OPERATIONS STRATEGIES AND TREATMENTS TO IMPROVE TRAVEL-TIME RELIABILITY Page 75