U.S. Drivers Not The Speed Demons You May Think
Data from GPS users show drivers stay within speed limit range on most major U.S. highways; the fastest highway, “America’s Autobahn,” is on I-15 in Utah and Nevada, while the slowest road is in Washington D.C.
Concord, MA - TomTom, the world’s leading provider of navigation solutions and digital maps, today revealed the first fully detailed view of which interstate highways are the fastest and slowest in the United States. Although the average speed on some U.S. roads slightly exceeded the speed limit, data from GPS users show that, overall, drivers tend to stay within speed limit range on most major U.S. highways.
The results were calculated using data from Speed Profiles™, the historical speed database from TomTom’s map business unit Tele Atlas that helps personal and professional fleet drivers find the best routes. Speed Profiles is integrated as IQ Routes™ on TomTom devices. It aggregates, anonymously, the actual speeds that millions of GPS-enabled drivers have traveled over the last two years to provide the most accurate view of historic speeds available.
Data were organized to show the average speeds on interstate highways and to reflect only free flow speed data, or average speeds when there is no traffic present. When compared to a database of posted speed limits, the results indicate that the average U.S. driver stays within the speed limit range on most urban and rural interstate highways:
o Even drivers in the fastest states tend to stay within the speed limit range. Across all interstate highways, Mississippi has the fastest roads, with average speeds of just over 70 MPH and posted speed limits ranging from 65-70 MPH. New Mexico (70 MPH actual average, 70-75 MPH posted speed limits), Idaho (70 MPH actual average, 65-75 MPH posted speed limits), Utah (70 MPH actual average, 65-75 MPH posted speed limits) and Alabama (70 MPH actual average, 60-70 MPH posted speed limits), round out the top five states with the fastest interstates in the country;
o Famous worldwide as a road network where drivers can go as fast as they like, Germany’s Autobahn has speed limits in some areas, but drivers typically travel over 100 MPH in unregulated spots. Where is America’s Autobahn? Our fastest road is on I-15 in Utah and Nevada, with speeds averaging 77.67 MPH, although some spots on that highway allow 80 MPH;
o The nation’s fastest area is in the middle part of the country. Seven of the top 15 states with the fastest highways are in that area. The average speeds on roads in Mississippi, Nebraska, Kansas, Iowa, Idaho, Alabama and Missouri exceed 67 MPH; the average posted speed limits in those states is 70 MPH;
o Speeds on single interstate highways that span a number of states, such as the
I-95 route running from Northern Maine to Southern Florida, differ dramatically depending on where you are. Along that highway, the fastest section is in South Carolina; the slowest sections are in Virginia, New York, New Jersey and Connecticut.
o Findings for the Washington D.C. area echo results found in TomTom’s recent study of the most congested traffic spots in the U.S. (see http://www.teleatlas.com/WhyTeleAtlas/Pressroom/PressReleases/TA_CT038317) Washington D.C. has the slowest average MPH on its interstate highways, at 46 MPH. After Washington D.C., the states with the slowest interstate average MPH are: Hawaii (53 MPH); Delaware (61 MPH); Rhode Island (63 MPH); and Oregon (63 MPH).
The Speed Profiles database currently covers 85,000 miles of interstate highways in the United States. To see lists of the top 20 states with the highest MPH averages, maps of the fastest and slowest highways in the U.S. and for further information, go to www.teleatlaspresskit.com.
TomTom NV (AEX: TOM2) is the world’s leading provider of navigation solutions and digital maps. TomTom NV has over 3,300 employees working in four business units – TomTom, Tele Atlas, Automotive and WORK.
TomTom’s products are developed with an emphasis on innovation, quality, ease of use, safety and value. TomTom’s products include all-in-one navigation devices which enable customers to navigate right out of the box; these are the award-winning TomTom GO family, the TomTom XL and TomTom ONE ranges and the TomTom RIDER. Additionally, independent research proves that TomTom products have a significant positive effect on driving and road safety.
Tele Atlas delivers the digital maps and dynamic content that power some of the world’s most essential navigation and location-based services (LBS). Through a combination of its own products and partnerships, Tele Atlas offers digital map coverage of more than 200 countries and territories worldwide. The Automotive business unit develops and sells navigation systems and services to car manufacturers and OEMs. TomTom WORK combines industry leading communication and smart navigation technology with leading edge tracking and tracing expertise.
TomTom NV was founded in 1991 in Amsterdam and has offices in Europe, North America, Middle East, Africa and Asia Pacific. TomTom is listed at Euronext Amsterdam in The Netherlands. For more information, go to www.tomtom.com.
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