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Driver Assistance > Navigation/Route Guidance


In-vehicle navigation systems with GPS technology may reduce driver error, increase safety, and save time by improving driver decision in unfamiliar areas


Cybersecurity, reliability, and shared cars are the top public concerns regarding Autonomous Vehicles in Austria.(09/20/2019)

Survey data show that vehicle performance data displayed to passengers on board automated shuttles can ease their sense of safety.(07/31/2019)

Organizations embarking on driverless shuttle deployments should set specific project goals, identify operating environment requirements, engage with stakeholders and regulators and establish data needs early for project success.

Organizations considering low-speed automated shuttles should have a good understanding of the technical capabilities, operating environment requirements, and evaluation metrics needed to succeed early on in the project design phase.

The project team of an Automated Shuttle Bus piloted in Minnesota learned that the bus required additional infrastructure at MnROAD and snow and ice removal for future operations.(06/27/2018)

AV testing on Boston’s streets revealed five key success factors relevant to other cities looking to pilot AVs as they prepare for the mobility system of the future.(06/01/2018)

Provide robust online resources for cars equipped with automated vehicle technologies as this is the primary place drivers seek this information, not in their owner's manuals.(May 30, 2017)

Allow one agency to be in charge of the procurement process when implementing ITS technologies designed to coordinate services between urban and rural transit systems.(December 2010)

Provide at least the recommended minimum distance between a GPS antenna and a radio antenna on a transit vehicle.(December 2010)

Sixty-three (63) percent of city officials surveyed agreed that autonomous vehicles can improve the quality of life in U.S. cities.(05/24/2019)

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)

A simulation model estimates that use of route-planning apps can reduce emissions by more than 25 percent.(April 2018)

Connected eco-driving for drayage operations on signalized networks can reduce diesel truck energy consumption by 4.4 to 8.1 percent.(1/13/2018)

Autonomous vehicles are expected to reduce fuel consumption by 15 percent while VMT increases by 23 percent by 2040.(11/06/2017)

Eco-routing optimization strategy focused on shortest routing reduces average trip time by 3.6 to 14.0 percent in simulation.(April 2017)

Eco-routing algorithms can reduce fuel consumption by 2.3 to 6.0 percent when emphasizing routing and by 38 percent when emphasizing fuel consumption reduction.(April 2017)

In Toronto, connected vehicles have potential to reduce travel times by 37 percent, reduce emissions by 30 percent, and improve safety indicators by 45 percent.(12-16 January 2014)

Eco-routing system reduced network-wide fuel consumption by 3.3 to 9.3 percent compared to typical navigation routing strategies designed to minimize travel times.(January 2014)

Eco-routing system reduced travel distance by 5.18 percent in a Cleveland, Ohio network and 5.53 percent in a Columbus, Ohio network.(January 2014)

Green Routing System in Buffalo-Niagara Region shows over 16 percent reduction in CO and NOx.(March 2012)

Using ecological route results in 9 percent lower fuel consumption than time priority route.(16-20 November 2008)

Almost 90 percent of automated shuttle bus riders surveyed in a small-scale field study in Berlin indicated they were not at all worried or only slightly worried about their own sense of safety while riding in an automated shuttle.(07/31/2019)

In Detroit, MI, customer satisfaction went from -30 to +67 after autonomous shuttle was introduced and buyer satisfaction was 100 as measured by Net Promoters Score (NPS).

Autonomous Shuttle Bus piloted in Minnesota is well-received by the public following successful demonstration of navigating in wintry conditions.(06/27/2018)

Rapid deployment of DSRC for connected vehicles can save thousands of lives, regardless of whether a later transition to C-V2X proves advantageous.(12/12/2017)

V2V module capable of routing vehicles around crash-related congestion may reduce waiting time in heavy traffic conditions by approximately 80 percent in urban areas and approximately 42 percent on freeways.(11/11/2017)

GlidePath Prototype application reduces fuel consumption by an average of 17 percent by improving compliance with suggested speed profiles.(11/03/2017)

Drivers using in-vehicle navigation systems change to the target exit/off-ramp lane 400 m sooner than those drivers solely relying on road signage.(May 31, 2017)

More than half of the respondents to a Texas-wide survey indicated $0 willingness-to-pay for self-driving technology (Level 3 or Level 4); however, comparatively fewer (only around 38 percent) indicated $0 willingness-to-pay to add connectivity.(March 2017)

Texas study estimates that CAVs could have a $27,000 net benefit per vehicle with a 90 percent market penetration.(March 2017)

In networks with work zones, connected vehicle market penetration rates under 40 percent may contribute to a safer traffic network, while market penetrations above 40 percent may decrease network safety.(03/24/2015)

Approximately 73 percent of commercial vehicle drivers and 62 percent of carriers trust the accuracy of in-vehicle navigation systems.(4/1/2013)

Approximately 80 percent of drivers in a large-scale field operational test felt that blind spot information systems increased safety.(11/21/2012)

Results from a driver survey in a large-scale field operational test found the Built-in navigation systems received more positive ratings than mobile devices.(11/21/2012)

Adaptive cruise control can reduce fuel consumption by 2.8 percent on highways.(11/21/2012)

Navigation systems with eco-routing features can improve fuel economy by 15 percent.(January 2011)

Joint deployment of scheduling software and Automatic Vehicle Location/Mobile Data Terminals (AVL/MDT) increased ridership and quality of service for two rural transit providers.(December 2010)

CO2 emissions can be reduced up to 15 percent using in-vehicle performance monitoring systems for Eco-Driver Coaching.(September 16, 2009)

Use of Navigation systems combined with traveler information can reduce Vehicle Miles Traveled by 16 percent, and drivers can save up to 30 percent in mileage when searching for a parking space.(November 2008)

HAZMAT safety and security technologies can have tremendous societal cost savings well beyond the break even point for benefits and costs.(11 November 2004)

HAZMAT safety and security technologies can reduce the potential for terrorist consequences by approximately 36 percent.(11 November 2004)

In Toronto, Canada, accident prediction models show that traffic-sensitive route guidance can increase crashes at low market penetrations and decrease crashes at higher market penetrations.(7-11 January 2001)

In Toronto, Canada, simulation models show that traffic-sensitive dynamic route guidance systems can reduce travel times.(7-11 January 2001)

In Toronto, Canada, simulation models show that traffic-sensitive dynamic route guidance systems can increase throughput.(7-11 January 2001)

Modeling performed as part of an evaluation of nine ITS implementation projects in San Antonio, Texas indicated that drivers of vehicles with in-vehicle navigation devices could experience an 8.1 percent reduction in delay.(May 2000)

In San Antonio, Texas, 60 percent of drivers of transit vehicles equipped with in-vehicle navigation devices reported that they saved time and felt safer.(May 2000)

In 1999, a study in Seattle, Washington indicated that participants who used traveler information devices including wrist watches, in-vehicle components, and portable computers found the information was useful for making travel decisions.(5 January 1999)

The Japanese Vehicle Information and Communication System (VICS) began operations in Spring 1994 and according to the results of several road tests, the amount of time saved with the dynamic route guidance system in VICS was approximately 15 percent.(January 1998)

The Advanced Driver and Vehicle Advisory Navigation Concept (ADVANCE) simulation study in the Northwest suburbs of Chicago indicated that motorists could use dynamic route guidance and reduce travel time by 4 percent under normal or recurring conditions.(July 1996)

A TravTek simulation found that using a market penetration rate of 30 percent and a constant average trip duration as a surrogate for maintaining a given level-of-service, dynamic route guidance would allow the system to handle a 10 percent increase in demand.(March 1996)

A TravTek evaluation found that the availability of navigational information may help reduce travel stress for drivers in unfamiliar areas; 38 percent of rental car users and 63 percent of local drivers found the device helpful for finding specific destinations in unfamiliar territory.(March 1996)

In Orlando, a TravTek simulation study found that motorists that use navigation devices reduce their crash risk by 4 percent as a result of improved wrong turn performance and the tendency of the system to route them through higher class (normally safer) facilities.(January 1996)

A study found that use of the TravTek system for route planning yielded a time savings of 80 percent.(October 1995)

In Denver, the cost for a pilot of self-driving low-speed shuttles was $150,000.(01/31/2019)

In Columbus, OH, the cost for a three phased demonstration of autonomous public shuttles was estimated at $4 million(12/04/2018)

In Minneapolis, a four-month autonomous public shuttle bus field test cost approximately $200,000.(12/12/2017)

A maintenance contract for an AVL system with 265 fleet vehicles was estimated to cost $64,719 (CAN) per year.(03/17/2014)

Various safety- and driver assistance-related systems such as blind spot monitoring, route guidance, adaptive cruise control, automatic collision notification, and lane departure warning are available for purchase as an individual option or a bundled-options package at costs that vary widely.(February 2006)

TMC central hardware costs can exceed $200,000 if regional communications and system integration are required.(5 August 2004)

In-vehicle navigation units and real-time traveler information software development were the main cost drivers for the San Antonio TransGuide MMDI project to improve operations at several public agencies.(May 2000)