Transportation's Role in Reducing U.S. Greenhouse Gas Emissions ...

Table 3.5 Findings by Strategy: System Efficiency
Transportation's Role in Reducing U.S. Greenhouse Gas Emissions: Volume 1
Effectiveness
Percent Reduction in 2030
Transportation
Sector
Relevant
Subsector(s)
Reduction for
Subsector
Absolute GHG
Reduction in 2030
(mmt CO2e/year)
Timing
of
Benefits
Cost Effectiveness
($/tonne CO2e)
Direct
Implemen
-tation
Costs
Only
Net
Included
Costs a
Strategy Name
System Efficiency
Key Deployment
Assumptions
Highway Operations and Management
Traffic
Deployment of full range of n/a On-road n/a n/a Short-Mid $40->$2,000 ($120)-
Management traffic management strategies
on freeways and arterials at rate
of 700 to 1,400 miles/year
vehicles
>$2,000
Real-Time Deployment of highway traffic n/a On-road n/a n/a Short-Mid $160->$600 0->$500
Traveler information at same rate as
vehicles
Information traffic management
Highway Improve top 100 to 200
n/a On-road n/a n/a Mid-Long n/a n/a
Bottleneck Relief bottlenecks by 2030
vehicles
Reduced Speed 55 mph national speed limit 1.2-2.0% On-road 1.7-2.7% 27-43 Short $10 ($320)
Limits
vehicles
Truck Operations and Management
Truck Idling 26-100% of sleeper cabs with on- 0.1-0.3% HDV 0.4-1.2% 2-6 Short-Mid $20 ($420)-
Reduction board idle reduction technology
($480)
Truck Size and Allow heavy/long trucks for 0.03% HDV