The following example is an ASCII representation of a full-dataset Trip Update feed.
For more details on how to construct a Trip Update feed, see Provide realtime
trip information with TripUpdates
.
#
header
information
header
{
#
version
of
speed
specification
.
Currently
"2.0"
gtfs_realtime_version
:
"2.0"
#
DIFFERENTIAL
is
unsupported
.
use
FULL_DATASET
only
incrementality
:
FULL_DATASET
#
The
moment
where
this
dataset
was
generated
on
the
server
.
timestamp
:
1656230726
}
#
A
definition
(
or
update
)
of
an
entity
in
the
transit
feed
.
#
Multiple
entities
can
be
included
in
the
feed
.
#
be
sure
to
provide
information
about
EVERY
active
trip
on
every
feed
update
entity
{
#
unique
identifier
for
the
entity
within
the
feed
update
message
id
:
"simple-trip"
#
"type"
of
the
entity
trip_update
{
#
a
descriptor
that
identifies
an
instance
of
a
GTFS
trip
#
defines
the
identifier
of
a
trip
in
reference
to
the
trips
.
txt
file
#
it
is
recommended
to
provide
trip_id
,
which
should
be
one
of
the
following
#
(
1
)
a
trip
defined
in
the
static
feed
#
(
2
)
a
duplicate
trip
with
schedule_relationship
ADDED
and
new
start
time
#
(
3
)
a
frequency
based
trip
with
a
clearly
defined
start
time
trip
{
#
the
trip_id
from
the
GTFS
feed
that
this
trip
refers
to
trip_id
:
"trip1"
#
the
start
time
of
this
trip
instance
as
specified
from
the
GTFS
feed
start_time
:
"14:05:00"
#
the
start
date
of
this
trip
instance
start_date
:
"20220628"
#
The
relation
between
this
trip
and
the
static
schedule
schedule_relationship
:
SCHEDULED
#
the
route
id
from
the
GTFS
feed
that
this
trip
belongs
to
route_id
:
"ROUTE1"
#
the
direction_id
from
the
GTFS
feed
that
this
trip
refers
to
direction_id
:
0
}
#
schedule
information
update
stop_time_update
{
#
this
must
be
the
same
as
in
stop_times
.
txt
in
the
GTFS
feed
#
if
stop_id
is
unique
within
the
trip
,
use
either
stop_sequence
or
stop_id
#
if
a
stop_id
appears
more
than
once
within
the
trip
,
use
stop_sequence
and
optionally
stop_id
stop_sequence
:
3
#
vehicle
'
s
arrival
time
arrival
{
#
delayed
by
5
seconds
#
with
respect
to
the
arrival
time
defined
in
static
feed
delay
:
5
}
departure
{
#
delayed
by
5
seconds
#
with
respect
to
the
departure
time
defined
in
static
feed
delay
:
5
}
}
#
this
stop
’
s
delay
is
propagated
to
subsequent
stops
#
until
the
upcoming
stop
with
realtime
schedule
defined
#
i
.
e
.
stop
4
-
9
will
have
5
seconds
delay
#
update
on
the
vehicle
'
s
schedule
for
stop
sequence
10
stop_time_update
{
stop_sequence
:
10
#
dynamically
assign
a
new
platform
by
providing
its
stop_id
#
together
with
the
stop_sequence
#
the
new
platform
assigned
must
be
part
of
the
same
station
#
as
the
original
stop
/
platform
stop_id
:
platform_id_123
arrival
{
#
with
the
default
delay
of
0
(
on
time
)
delay
:
0
}
}
stop_time_update
{
stop_sequence
:
11
arrival
{
#
the
time
of
arrival
in
seconds
after
epoch
time
:
1656230830
}
departure
{
#
the
time
of
departure
in
seconds
after
epoch
time
:
1656230890
}
}
stop_time_update
{
stop_sequence
:
11
#
the
stop
is
skipped
,
i
.
e
.
the
vehicle
will
not
stop
at
this
stop
schedule_relationship
:
SKIPPED
}
stop_time_update
{
stop_sequence
:
12
arrival
{
#
negative
delay
means
vehicle
is
2
seconds
ahead
of
schedule
delay
:
-
2
}
}
}
}
#
second
entity
containing
update
information
for
another
trip
entity
{
id
:
"2"
trip_update
{
trip
{
#
the
trip_id
from
the
GTFS
feed
that
this
added
trip
is
duplicated
after
trip_id
:
"trip2"
#
the
start
time
of
the
new
added
trip
instance
start_time
:
"14:05:00"
start_date
:
"20220628"
#
use
“
ADDED
”
to
specify
an
extra
trip
that
was
added
in
addition
to
#
a
running
schedule
schedule_relationship
:
ADDED
}
stop_time_update
{
stop_sequence
:
1
arrival
{
#
It
'
s
recommended
to
provide
an
absolute
timestamp
#
for
easy
calculation
of
relative
time
time
:
1656239890
}
}
}
}
#
third
entity
containing
update
information
for
a
canceled
trip
entity
{
id
:
"3"
trip_update
{
trip
{
trip_id
:
"trip2"
start_time
:
"14:05:00"
start_date
:
"20220628"
#
use
“
CANCELED
”
to
specify
a
trip
that
existed
in
static
GTFS
but
was
canceled
schedule_relationship
:
CANCELED
}
}
}
