There is a mounting need from city and road planners to evolve current ground-based infrastructure, especially across transportation networks (Deruytter, 2020). There are a number of technologies, and collections of technologies, that are changing and impacting the mobility space. In Part 4, this writer neglected to acknowledge one of these leading transportation technology centers that is bringing the industry together to develop transportation and mobility solutions—the Infrastructure Automotive Technology Laboratory, or iATL, and iATL Partner Alliance in Georgia. The Intelligent Transportation Society of America (ITSA)—Smarter, Greener, Safer—began in 1991 and has been a primary convention and driver for use of transportation technologies in the intervening 30 years. Below is a brief scan of some of these technologies, each of which could warrant a book to provide a complete coverage.

  • Vehicle-to-Vehicle (V2V) and Vehicle to Infrastructure (V2I): These are the two primary connected vehicle areas and encompass CAV (connected and automated vehicle). The advantage of V2V is to gain capacity from infrastructure and improve safety (NHTSA, n.d.). This technology may also enable increased speeds and reduce travel time. V2I is beginning to advance as a means of further advancing capacity, safety, and speed. Both V2V and V2I offer the potential to expand other technologies such as battery charging while moving, autonomous routing of vehicles, and providing intelligent infrastructure with the capability of autonomously sending condition and other reports back to a central office for planning and response for repair or replace (RoboticsBiz, 2020; 3M, n.d.).
  • Intelligent Infrastructure: In addition to being able to send condition and other reports for action to a central office, emerging AI technologies are allowing for self-healing materials that repair themselves (Flower, 2020; Mazzarol, 2012; McFarlane, 2015; McMillan, 2017; ScienceDirect, n.d.).
  • Internet of Things or IoT: Infrastructure and transportation agencies are leading the way in adopting many IoT technologies, and that will continue. Why? Because they provide tangible results (Center for Digital Government for Spectrum Enterprise, 2019).
  • 3D Printers: These printers have existed for some time but are expanding for construction. This includes the printing of the small 3D plastic models for completing concrete bridges to the printing of steel bridge models (U.S. Bridge, 2020). The basic limitation is only the size of the printing machine and whether that is cost effective.
  • Materials: Whereas 3D printers are limited by the size of the printing machine, new research is revealing the possibility of rationally designing materials to specification at the micro and macro scale and with broad engineering applications (Jenett et al, 2020). Plus, traditional materials continue to be improved such as ultra-high performance concrete (Carter, 2019).
  • Artificial Intelligence (AI): This is a leading technology of technologies, combining various technologies into new ones that can perform tasks thought to be science fiction. One of these is “robotic swarms” of meta materials that turn into buildings, vehicles, bridges—delivered in boxes by drones (Jenett, 2020; Wyss Institute, n.d.). The technology currently exists and the U. S. Army has initiated this development in partnership with the private sector including the Massachusetts Institute of Technology. Still others are in use such as Building Information Technology or BIM. Others include AI-driven asset management for bridges, monitoring the condition of assets on a real and near-real time basis (Stone, 2021). Yet another focuses on road maintenance (Holliday and Frick, 2021). Ford Motor Company has expanded to leverage AI and machine learning to predict and prevent traffic crashes (Mendoza, 2021). The future of AI is enormous in the transportation and mobility space, and society as a whole (The Washington Post, n.d).
  • Virtual (VR) and Augmented Reality (AR): Beginning in the gaming business, these technologies continue to rapidly develop, especially in the design and construction arenas. A recent augmented reality innovation by VW and Mercedes Benz enhances safe navigation through an AR blue line down the center line of the lane, allowing the driver to stay focused on the road ahead (Ligon 2021).
  • Robotics/Drones: These technologies have been in development and use for decades. Like other technologies that reduce the requirement for labor (typically the largest single cost for many organizations) within the mobility space these technologies are increasingly used for terrestrial and aquatic inspections of all kinds, vegetation planting, surveying, aerial photography, movement and delivery of materials, and others. There is continuing discussion on the use of drones, including the potential to lease air space above roads and perhaps generating a new revenue source (Skorup and Harland, 2020;  Pressgrove, 2021).
  • Machine Control: Expanding on robotics and drones that are currently used is the programming of autonomous earthmoving and other equipment, surveying, inspections, etc., on construction sites (TopCon, n.d.; UK Plant Operators, n.d.). These have been in use for some years and allow for greater efficiency at a lower cost. Using currently available technology, other systems are emerging for other activities such as hauling dirt, delivery and placement of materials. Expanding on this area, some years ago the University of Nebraska developed remotely controlled orange work zone barrels to move without the labor required for moving each barrel (Bauer, 2004). This technology could be adopted to other systems, such as the Lindsay Company Road Zipper which moves concrete Jersey barriers on a near-real time basis to adjust lanes and contra flows in conjunction with traffic flow needs, separate bicycle from vehicle traffic, adjust to the needs of construction zones, etc. In effect, this could be done remotely or autonomously. The options are endless and open to continued innovation.
  • Cloud services: There are a growing number of organizations that are leveraging the cloud for more efficient operations. Among them is Amazon Web Services (AWS) which has a growing presence in the transportation and mobility space (Silver, n.d.). Municipal and state agencies continue to expand use of cloud services for construction oversight and other activities (Yoders, 2021).
  • 5G: This technology holds tremendous promise as it increases the speed and capacity of communications essential to the mobility ecosystem (Abbosh and Downes, 2019). The Internet of Things or IoT is a driver of 5G with three broad categories of use: enhanced broadband, massive IoT sensing, and critical IoT. The massive IoT sensing alone will allow 10 times more devices to connect at 100 times the energy efficiency compared to LTE-Advanced (Little, 2019).  Smart cities are being advanced thanks to 5G and other technologies (CBS Interactive Inc., 2020; Abbosh and Downes, 2019). 5G and its capabilities are expanding as this is written. 5G and AI will continue to drive mobility development.
  • Lidar: This technology has been around for some years, allowing for rapid 3D surveying by law enforcement, surveying by drones, autonomous vehicles, improving safety, enhanced BIM (Building Information Modeling), and other diverse applications that go on and on (Shacklett, 2021). One recent application makes transportation infrastructure more efficient and safer (Clark, 2021).
  • Global Positioning Systems (GPS): Although around for decades, GPS is worth mentioning because of its importance in pinpointing locations, navigation, and its ease of use (available on smartphones and many other devices). This is critical for many technologies including autonomous vehicles.
  • 5.9 GHz: This bandwidth had been identified for public safety with important uses in the transportation arena. However, recently the Federal Communications Commission or FCC has given this bandwidth away for other commercial purposes. This sorely complicates an important safety tool for the transportation industry (Fisher, 2020).
  • Communications, integrated and interoperable-voice and data: The most common lesson-learned following disasters is the difficulty of communicating between all parties in both voice and data (FEMA, 2020; FEMA, 2014; OnSolve, n.d.; U.S. Fire Administration, 2015). As such, many states have developed more robust and interoperable communications systems. Nonetheless, effective communications is literally a key to success in responding to man-made or natural disasters and will need to be continually improved and maintained.
  • Solar: Solar power is developing slowly, but surely, as one of the most important renewable energies. For over 100 years, petroleum-based fuels and electricity generation have been separate industries. Oil was for vehicles, coal and water were for electric power. Drillers versus miners, petrostates versus power utilities. With EVs the distinction between petroleum-based fuels and power markets is blurring. Solar power is rapidly becoming the cheapest form of energy in much of the world, which means that as power markets grow to meet the new demand from EVs, oil is being largely displaced by power from the sun. For nearly 20 years, the International Energy Agency has underestimated the rise of solar power. Every year, their estimates expected the rate of solar growth to plateau, but every year it grew (Figure 7).
FIGURE 7. Sunshine may be the new oil. Every year solar was projected to plateau, and every year it set new records. (Sources: International Energy Agency, BloombergNEF, Auke Hoekstra, in “Peak Oil is Suddenly Upon Us” by Tom Randall and Hayley Warren, Bloomberg Green December 1, 2020)

Solar roadways have been developed in France these past few years. It was recently announced that the first solar roadway to come on line in the U. S. will be in Georgia (Cooke, 2017; Edelstein, 2020).

  • Cyber-security: There is an arms race going on to hack and secure data. As technology has developed so has the need for adequate cyber-security. It is wise to have one, if not at least two, backup systems to protect transportation/mobility systems, including autonomous vehicles. Every organization continues to struggle with enhancing security (Center for Digital Government, 2020).

There are literally thousands of other technologies and associated tools in the transportation/mobility industry, and other fields, that continue to be developed, some proprietary and some not, in an effort to increase sales/profits and benefit-cost. A scan of printed and electronic trade journals, conferences, proposals, and sales presentations reflects the stunning scale of these developments. A brief scan reveals advanced and integrated project and program management, data collection and workflow automation, big data and analysis, remote piloted aerial and aquatic vehicles or drones, machine learning, Lidar, ground penetrating radar, geomatics, geophysics, Reality Mesh Services (i.e. 3D models out of unordered photographs or laser scans), Building Information Modeling (BIM) across the project life cycle while incorporating Reality Capture for Digital Twins and integrated for Asset Management, and many, many others.

This also does not discount the importance and value of the myriad existing methodologies that continue to advance, have been around for years, and that can increase system efficiency. Just a few include data collection and analysis, signal timing, static signing, variable message signs, 511, video cameras, radar, roadway weather notifications, traffic operations centers and infrastructure sensors, materials, recycling, planning, design, construction, maintenance, operations, and so on.

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