San Diego Savings Exceed Light Rail Construction Costs January 30, 1997 San Diego has converted 37 percent of its bus system to competitive tendering (competitive
contracting) since 1979.(1) San Diego is continuing its conversion at a rate that guarantees the jobs
of present public transit agency employees (there have been no layoffs). More than 100 buses are
now competitively contracted. Policy is separated from operations.
Competitively tendered
costs per vehicle mile
are 50 percent below
1979 costs and 34
percent below the non-competitive costs of
the public operator.
In the competitive
environment, system-wide bus costs per
vehicle hour have
dropped 30 percent
(inflation adjusted).
From 1979 to 1996,
bus costs were $475 million less than if costs had risen at industry rates.(2) This is nearly
$100 million more than San Diego spent to build its first two light rail lines (inflation
adjusted).
System-wide bus costs have risen three percent, which has made it possible to increase
service levels by 47 percent since 1979.
"Ripple effect" savings have reduced the costs of non-competitive (former public
monopoly) service by 25 percent per vehicle hour (inflation adjusted).
The former public monopoly has won competitive contracts.
Footnotes 1. Information calculated from data in San Diego Metropolitan Transit Development Board Short
Range Transit Plans (multiple annual editions).
2. Based upon the national annual rate of increase in cost per vehicle mile from 1979 to 1994.
Before conversion to competitive tendering began, transit costs in San Diego were rising at above
industry rates.
Wendell Cox (Principal)
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