Knowledge Resources

A Federal report highlights best practices for ITS programs that plan to implement connected vehicle (CV) technology.(07/01/2018)

Greater adoption of CAV may result in long-term benefits but mid-term fluctuations for costs and congestion, according to predictive model.(01/11/2019)

CAVs are expected to decrease congestion up to 50 percent, increasing the effective capacity of urban networks leading to a new equilibrium with more users but with negligibly less congestion than the current system.(01/11/2019)

CV-based adaptive signal control has potential to increase mainline arterial speeds by an average of 5 percent and reduce maximum intersection queue lengths by 66.7 percent even with low market penetration (5 percent CV).

A connected automated-vehicle velocity control and separation strategy improved the performance of platoons on a signalized arterial reducing travel times by 19.2 percent.(07/17/2018)

A connected automated-vehicle velocity control and separation strategy improved the performance of platoons on a signalized arterial reducing fuel consumption by 18.1 percent. (07/17/2018)

An intersection Eco-signal System can reduce fuel consumption up to 45 percent.(1/13/2018)

V2I data used to support adaptive signal control applications can reduce fuel consumption by 19 percent in scenarios with 70 percent CV market penetration.(January 2018)

Compared to the performance of a well-tuned fully actuated signal control system, proactive signal control supported by connected vehicle data can reduce fuel consumption by 18 percent.(January 2018)

Simulation effort shows that connected vehicle-enabled proactive signal control systems can reduce vehicle stops by 40 percent with full market penetration.(January 2018)

Compared to the performance of a well-tuned fully actuated signal control system, proactive signal control supported by connected vehicle data can reduce total vehicle delay up to 59 percent.(January 2018)

Simulation effort shows that connected vehicle-enabled proactive signal control systems can reduce fuel consumption by 18 percent with full market penetration.(January 2018)

Applying a proactive signal control system to a connected vehicle network can reduce fuel consumption by 24 percent.(July 2017)

Applying a proactive signal control system to a connected vehicle network can reduce total vehicle delay up to 89 percent.(July 2017)

A signal control system that uses SPaT messages and vehicle trajectory information to advise connected vehicles can improve throughput by up to 11 percent.(6/1/2017)

A signal control system that uses SPaT messages and vehicle trajectory information to advise connected vehicles can reduce fuel consumption up to 58 percent.(6/1/2017)

Eco-Approach and Departure (EAD) techniques for connected vehicles can save six percent energy for trip segments within range of DSRC enabled signal controllers.(01/11/2017)

Eco-Signal Operations applications could provide up to 11 percent decrease in fuel consumption and CO2 emissions.(January 26, 2015)

Intelligent intersection signal control systems that use connected vehicle data to optimize approach and departure speeds of vehicles equipped with cooperative adaptive cruise control (CACC) systems can reduce fuel consumption by 21.8 percent.(02/18/2014)

Preliminary modeling results for Eco-Traffic Signal Timing show 5 percent reduction in fuel consumption.(01/29/2014)

Eco-driving can reduce emissions by more than 50 percent at signalized intersections.(01/12/2014)

Eco-speed control applications for connected vehicles can reduce fuel consumption 30 percent at urban intersections.(12-16 January 2014)

Eco-approach and departure technology provides an additional 4 -5 percent improvement on top of a coordinated corridor.(November 2013)

Connected vehicles that receive future state intersection signal control data to support predictive cruise control functions can reduce fuel consumption 24 to 47 percent.(05/01/2011)

In Detroit, the design and construction of traffic signal interconnection upgrades, DSRC field infrastructure, and communication systems designed to support CV applications cost $1.33 million on a 6-mile corridor and $1.42 million on a 12-mile corridor.(3/25/2019)

DSRC Roadside Unit(10/23/2018)

In Atlanta, the cost to purchase, install, configure, and support 600 RSUs for DSRC SPaT/MAP applications was estimated at $2,490,000 (FY2018).(10/23/2018)

Onboard Unit (OBU)(10/23/2018)

Onboard Unit (OBU)(10/23/2018)

Estimated capital costs to equip 10 intersections with DSRC radio communications and backhaul needed to support V2I applications can range from $443,000 to $644,000.(06/01/2016)

DSRC Roadside Unit - Capital cost/unit - $1000(10/23/2018)

Onboard Unit (OBU) - Capital cost/unit - $1000(10/23/2018)

SCMS Certificate License - Capital cost/unit - $3500 - Lifetime - 10 years(06/27/2014)

DSRC Communication Connection Equipment - Capital cost/unit - $3500 - Lifetime - 10 years(06/27/2014)

Wireless short to medium range communications equipment - Capital cost/unit - $3500 - Lifetime - 10 years(06/27/2014)

DSRC Construction Inspection labor - Capital cost/unit - $3500 - Lifetime - 10 years(06/27/2014)

DSRC Map / GID Generation - Capital cost/unit - $3500 - Lifetime - 10 years(06/27/2014)

DSRC Radio Survey - Capital cost/unit - $3500 - Lifetime - 10 years(06/27/2014)

DSRC Installation labor - Capital cost/unit - $3500 - Lifetime - 10 years(06/27/2014)

DSRC Power Connection Equipment - Capital cost/unit - $3500 - Lifetime - 10 years(06/27/2014)

DSRC System Integration and License - Capital cost/unit - $3500 - Lifetime - 10 years(06/27/2014)

DSRC Site Planning - Capital cost/unit - $3500 - Lifetime - 10 years(06/27/2014)

Wireless short to medium range communications equipment - Capital cost/unit - $3500 - Lifetime - 10 years(06/27/2014)

DSRC Site Design - Capital cost/unit - $3500 - Lifetime - 10 years(06/27/2014)