Conduct interoperability test to identify potential issues that would require resolution prior to the sites advancing to an operational phase. The three-day testing event was a major victory for the…
Leverage supplementary communication protocols to disseminate traveler information messages (TIMs) beyond the deployment region to maximize CV impacts. When there were a limited number of roadside…
Broaden the definition and concept of technical maturity to increase stakeholder knowledge and allow for better risk management. The lack of technology maturity resulted in challenges such as…
Educate the public on the CV technology’s capabilities and highlight the difference between connected vehicles and autonomous vehicle operations. There was confusion between the public’s thoughts on…
Deliver updates to the on-board units (OBUs) remotely to improve operating efficiency. Updating the firmware and configuration parameters remotely allowed the THEA CVPD team to push updates to the…
Some key lessons learned from the Tampa, Florida CVP program included:
Utilize secure data storage platforms when analyzing data that may contain personally identifiable information (PII).…
The following are several lessons learned from the projects for the development of future surveys about automated shuttles as they relate to survey population, survey approach, and questionnaire…
To enable assessment of detection accuracy, researchers installed video cameras to record observations for later comparison with the system’s detection output.
All three systems were able to…
One of the goals of the CV Pilot Program was to resolve technical deployment issues. THEA's pilot deployment exposed challenges implementing the system's …
One of the program goals is to resolve technical deployment issues. During one year of continuous testing, the THEA Pilot found that four of the forty-four installed roadside units (RSUs) were not…
The following considerations summarize the CV Pilots’ experiences with mounting and installing CV devices along roadways and inside vehicles.
Utilize professionals where possible for installations…
The following lessons outline any changes needed to prepare roadways and intersections for the installation of CV devices.
Consider the location of existing ITS and line of sight when selecting…
The following lessons address changes agencies may have to make to their existing systems and/or operations to accommodate the security needs of CV technology. Emphasis is particularly placed on the…
The following lessons were identified regarding the sensitivities with the type and amount of data that needs to be collected and the need for a data governance framework that outlines how data will…
The following lessons are reflections of the challenges uncovered by the sites during system acceptance testing of the technology and what future deployers should be conscious of.
Arrange a testing…
The following lessons were identified regarding engaging with project partners and device vendors.
Utilize RFPs to scrutinize and select the best suppliers
It is suggested that agencies conduct…
The following lessons were identified regarding institutional arrangements that need to be made to outline the expectations of partners in terms of service, outcomes and reporting.
Have governance…
The following lessons were identified regarding assessing the infrastructure an agency currently has versus what infrastructure they will need to deploy a robust connected vehicle environment.…
One of the goals of the CV Pilot Deployments is to accelerate the deployment of interoperable connected vehicle technologies in the advancement of the national highway system. The vision for…
Each of the three Connected Vehicle Pilot Deployment sites (Wyoming, Tampa, NYC), while unique regarding size, features, and functionality to be deployed, are all examples of large disparate systems…
All of the connected vehicle applications being implemented and evaluated in the Connected Vehicle Pilot Deployment Program did not need to be developed from scratch. Software developers for the…
All of the connected vehicle applications being implemented and evaluated in the Connected Vehicle Pilot Deployment Program did not need to be developed from scratch. Software developers for the…
In Tampa, the project involves installing radios and computers in over 1600 vehicles and in over 40 fixed locations at downtown intersections to enable vehicle-to-vehicle (V2V) and vehicle-to-…
Lessons Learned from the Tampa (THEA) Connected Vehicle Pilot Update at the System Design Milestone webinar:
Use a professional to manage and perform privately owned vehicle installs
Since…
Tampa-Hillsborough Expressway Authority (THEA) will implement multiple connected vehicle applications in the Tampa Central Business District (CBD) to improve safety, mobility, and environmental…
The THEA project involves installing radios and computers in over 1600 vehicles (including private cars, buses, and streetcars) and in over 40 fixed locations at downtown intersections to enable…
The THEA project involves installing radios and computers in over 1600 vehicles (including private cars, buses, and streetcars) and in over 40 fixed locations at downtown intersections to enable…
LESSONS LEARNED FROM USDOT PERSPECTIVE:
Program Management (Acquisition Strategy and Outreach)
Conduct consistent and organized meetings with the entire acquisition team (federal…
Higher call volume leads to greater system efficiency of 511 systems because O&M costs can be distributed over many callers. Despite this fact, marketing and evaluation was the smallest cost…
METHODOLOGY
The data collection process utilized two devices: a smart sensor which records vehicle speed per lane, and a camera which is used to document traffic conditions, traffic signal…
METHODOLOGY
The study utilized the SHRP2 NDS database that consisted of over 5.5 million trips driven by 3,542 drivers across six sites in the U.S. First, relevant events from the database were…
METHODOLOGY
The hierarchical clustering algorithm was used to recognize lighting patterns based on the similarity of a photometric measure (average illuminance or uniformity). Safety performance…
METHODOLOGY
The stakeholder acceptance evaluation used qualitative interviews, an online survey, and a virtual workshop. The user satisfaction evaluation was conducted via online surveys…
Methodology
The results from a deployed use case, congestion reduction and collision avoidance due to queuing on the exit ramp from the Reversible Express Lanes (REL) during the morning peak, were…
Methodology
The study was split into treatment (HMI enabled) and control (HMI disabled) groups using a randomized two-to-one matching (two treatment to one control) stratified by gender, age, income…
THEA led the CV Pilot Deployment in Tampa, Florida, which included as a goal the use of CV technology to reduce the risk of collisions. One scenario being targeted in the deployment…
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Methodology
The transit agency and a research team pursued a small-scale launch of a transit traveler information system that provided RTI for HART buses. The study’s 268 participants were randomly…
In September of 2015, USDOT selected New York City Department of Transportation (NYCDOT), Wyoming Department of Transportation (WYDOT) and Tampa Hillsborough Expressway Authority (THEA) as the…
In September of 2015, USDOT selected New York City Department of Transportation (NYCDOT), Wyoming Department of Transportation (WYDOT) and Tampa Hillsborough Expressway Authority (THEA) as the…