Election results from all three of Portland, Oregon's  largest suburban counties indicate a reaction against what has been called  "Portland Creep," the expansion of the expansive light rail system  without voter approval and the imposition of restrictive densification measures  by Metro, the regional land-use agency.
Portlanders in the three largest Oregon counties (Multnomah,  Washington and Clackamas) have previously voted against financing light rail  extensions, however the transit agency has found ways to continue the expansion  and now operates five lines, with a sixth under construction. While urban rail  aficionados tout the success of the Portland system, transit use by commuters  has fallen significantly in relative terms from before the opening of the first  light rail line. At the same time, working at home, which does not need  billions in taxpayer subsidies, has caught up to and passed transit (Figure).

The electoral events of the past 60 days could severely  limit future expansion. 
Clackamas County: Chicanery  and its Price
In a September 2012 election, voters  in Clackamas County approved a measure by a 60% - 40% majority requiring  that any commitment of funding to rail would require a vote of the people. Perhaps  fearing a negative result in the election, the pro-rail Clackamas County  commission hastily  approved $20 million to support the under construction Portland to  Milwaukie (Clackamas County) light rail line.
Things were to become substantially more difficult for light  rail in the November election. In Clackamas County, the two incumbent  commissioners on the ballot, both of whom voted for the $20 million bond issue,  lost their seats. Voters rewarded their chicanery by replacing them with anti-rail  commissioners, leaving the Clackamas County commission with a 3 to 2 anti-rail  majority. The Oregonian characterized  the election as "a  referendum on light rail."
John Ludlow, who defeated Clackamas County commission chair  Charlotte Lehan by a 52% to 48% margin, told The Oregonian:
"I think the biggest boost my  campaign got was when those commissioners agreed to pay that $20 million to  TriMet" for Portland-Milwaukie light rail four days before the September  election. I think that put Tootie and me over the top." 
"Tootie" is Tootie Smith, a former state  legislator who unseated commissioner Jamie Damon in the same election by a  similar margin.
Washington County,  Oregon: Taxpayers Take Control
Meanwhile, light rail has run into substantial difficulty in  suburban Washington County. In September, voters in King  City approved a measure to require all light rail funding to be approved by  the voters. In the more recent November election, voters in Tigard,  the 6th largest city (50,000 population) in the metropolitan area, voted 81%-19%  to subject all light rail expenditures to a vote of the people.
Clark County,  Washington: Voters Say No 
Portland's transit agency also had its eye on expanding light  rail service across the state line and the Columbia River to Vancouver, in  Clark County, Washington. The plan was to build a new "Interstate  Bridge" (Interstate 5) across the river, which would include light rail.  The voters of Clark County were asked in a referendum to approve funding for  the light rail system and turned  it down soundly according to the Columbian,  by a 56% – 44% margin. 
But there was more. For some time, citizen activist and  business leader David Madore has been working to stop both tolls on the new  bridge and light rail service. Madore  was elected to the board of commissioners of Clark County at the same time  that the light rail referendum was being defeated. Madore, like the two other  Clark County commissioners, also hold seats on the transit agency board.
Tri-Met's Death  Spiral?
Further, Tri-Met's dire financial situation could be another  barrier to future expansion. As John Charles of the Cascade Policy Institute  has shown, Tri-Met's fringe-benefit bill is astronomically high, at  $1.63 for each $1.00 in wages. This is more than five times the average for public employers, according to US  Department of Commerce Bureau of Economic Analysis data. Charles refers to  Tri-Met as being in a "death  spiral" and says that:  
"The agency is steadily devolving from a transit  district to a retirement and health-care center, with unsustainable fringe  benefit costs that now far exceed the mere cost of wages."