The Interstate 5 in Portland, abbreviated "i-5 Portland",
is the main north-south interstate highway route across the metro Portland area.
There are 2 main auxiliary highways to the
i-5 in Portland;
Interstate 205 and
Interstate 405. Both the
i-405 connect to the i-5 north and south of downtown Portland...
i-205 travels around the east side of Portland... while the
i-405 travels around the west side of Portland.
The map above shows the
i-5 in Portland (highlighted in pink) and
where the i-5 travels through the metro Portland area.