The following two elements are not in Transmodel 5.1 but are convenience artefacts added by SIRI:

VehicleJourneyInfo groups certain common properties of vehicle journeys so they be referenced without stating the whole vehicle journey.

DatedCall (SIRI), : is a grouping of several different types of passing times with other stop data.
It is useful to know also that a Route is made up of RouteLinks.

A JourneyPattern is made up of a Sequence of JourneyPatternTimingLinks (constrained to join the points of RouteLinks of the Route of the JourneyPattern). Can also be seen as a sequence of
StopPoints

A VehicleJouney is made up of a sequence of VehicleJourneyTimingLinks (constrained by the
JourneyPatternTimingLinks). route
1
Route
1
© 2007 SIRI directions
Line
1
1
0..*
0..* route
1 service pattern 0..1
pattern line
JourneyPattern from
0..*
*
1
0..1
0..*
ServicePattern 1 info
VehicleJourney
1 stops stops 0..1
1
0..*
VehicleJourneyInfo Block
Direction
Interchange to runs
2..* origin
0..*
0..* 0..*
0..1
* passing times
StopPointInSequence block
CourseOfJourney
0..1
0..* at
0..1
0..1
destination
0..* 0..* run
0..1
StopPoint
DatedVehicleJourney
1 points
0..*
0..*
* time
1 calls
0..1
PassingTime
2..* 1
StopArea
0..*
Siri Mdl::DatedCall stop point
DataFrame
TimetableVersion
DayType
TransportMode
TrainPart train
TrainBlockPart
Vehicle
*
Operator
0..1
division of
Place
Network