Table of Contents

Exhibit 1-9 Labor Force Participation Rates, 1947–2012 and Projected Rates for 2022 ........................................ 1-11
Exhibit 1-10 Regional Migration and Growth .................................................................................................... 1-12
Exhibit 1-11 Percentage Point Change in Young Adult Population (Ages 20–34 Years) by Neighborhood
Type, 2000–2010 .............................................................................................................................................. 1-13
Exhibit 1-12 Emerging Megaregions of the United States .................................................................................. 1-14
Exhibit 1-13 Impact of Carshare Membership on Household Vehicle Miles Traveled, Gasoline
Consumption, and Greenhouse Gas Emissions................................................................................................... 1-18
Exhibit 1-14 Teleworking Population, 2005 and 2009 ........................................................................................ 1-19
Exhibit 1-15 Top 10 U.S. Metropolitan Statistical Areas Ranked by Percentage of Workers 16 Years Old
and Older Who Worked from Home ................................................................................................................. 1-19
Exhibit 1-16 Goods Movement by Mode, 2012 ................................................................................................. 1-23
Exhibit 1-17 Tonnage on Highways, Railroads, and Waterways, 2010 ................................................................ 1-24
Exhibit 1-18 Average Daily Long-Haul Freight Truck Traffic on the National Highway System, 2011 ..................... 1-25
Exhibit 1-19 Annual Freight Transportation Services Index Values, 2000–2014 ................................................... 1-25
Exhibit 1-20 Weight of Shipments by Transportation Mode .............................................................................. 1-26
Exhibit 1-21 Average Daily Long-Haul Freight Truck Traffic on the National Highway System, 2040 ..................... 1-26
Exhibit 1-22 The Spectrum of Freight Moved, 2007 ........................................................................................... 1-27
Exhibit 1-23 Major Truck Routes on the National Highway System, 2011 ........................................................... 1-28
Exhibit 1-24 Trucks and Truck Miles by Range of Operations ............................................................................. 1-29
Exhibit 1-25 Total U.S.-Canada Trade Value by Transportation Mode, 2000–2014 .............................................. 1-29
Exhibit 1-26 Total U.S.-Canada Trade Tonnage by Transportation Mode, 2000–2013 ......................................... 1-29
Exhibit 1-27 Total U.S.-Mexico Trade Value by Transportation Mode, 2000–2014 .............................................. 1-30
Exhibit 1-28 Total U.S.-Mexico Trade Tonnage by Transportation Mode, 2000–2013 .......................................... 1-30
Exhibit 2-1 Highway and Bridge Ownership by Level of Government ................................................................... 2-4
Exhibit 2-2 Highway Miles, Lane Miles, Vehicle Miles Traveled, Passenger Miles Traveled, and Bridges,
2002–2012 ......................................................................................................................................................... 2-5
Exhibit 2-3 Annual Growth Rates in Vehicle Miles Traveled, 1992–2012 .............................................................. 2-6
Exhibit 2-4 Federal-Aid Highway Miles, Lane Miles, Vehicle Miles Traveled, and Number of Bridges,
2002–2012 ......................................................................................................................................................... 2-6
Exhibit 2-5 Share of Highway Miles, Lane Miles, Vehicle Miles Traveled, and Truck Vehicle Miles
Traveled On and Off the National Highway System, 2012 .................................................................................... 2-7
Exhibit 2-6 Interstate Highway Miles, Lane Miles, Vehicle Miles Traveled, and Numbers of Bridges,
2002–2012 ......................................................................................................................................................... 2-8
Exhibit 2-7 National Network for Conventional Combination Trucks, 2013 .......................................................... 2-9
Exhibit 2-8 Functional Classifications ................................................................................................................ 2-12
Exhibit 2-9 Highway Functional Classification System Hierarchy ........................................................................ 2-13
Exhibit 2-10 Percentages of Highway Miles, Lane Miles, Vehicle Miles Traveled, Bridges, Bridge Deck
Area, and Bridge Traffic by Functional System, 2012 .......................................................................................... 2-14
List of Exhibits xv