Levels of Service
LOS is reported on a scale of “A” through “F”. The general definition
of each LOS is as follows:
LOS “A” – This is a very high service level in which the roadway
and associated features are in excellent condition. All systems
are operational and users experience no delays.
LOS “B” – This is a high maintenance service level in which the
roadway and associated features are in good condition. All systems
are operational. Users may experience occasional delays.
LOS “C” – This is a medium maintenance service level in which
the roadway and associated features are in fair condition. Systems
may
occasionally be inoperable and not available to users. Short term
delays may be experienced when repairs are being made, but would
not
be excessive.
LOS “D” – This is a low maintenance service level in which the
roadway and associated features are kept in generally poor condition.
Systems failures occur because it is impossible to react in a timely
manner to all problems. Occasionally delays may be significant.
LOS “F” – This is a very low service level in which the roadway
and associated features are kept in poor and failing condition.
A backlog of systems failures would occur because it is impossible
to react in a timely manner to all problems. Significant delays
occur on a regular basis.
If you have questions, please contact Rico Baroga at (360) 705-7864,
or email barogar@wsdot.wa.gov.
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