SIMULATION ASSIGNMENT THE UITHOFLIJN: Information
(from www.uithoflijn.nl)
Research questions
In this simulation study, we will consider the Uithoflijn, a new tram line between the central station of
Utrecht and de Uithof which will start operating in summer 2018.
(see also www.uithoflijn.nl
and movie)
We will study the operational performance of this line. Important questions are:
 What are feasible frequencies for the Uithoflijn?
 What is the maximum amount of passengers the line can handle?
 What is a good layout at end points? (optional)
 What measures do you recommend to improve the operational performance? (optional)
Performance measures
Important performance measures are:
 Punctuality: this is computed from the departure delays at the end stations (CS and P+R), i.e. the difference between the actual departure time of a tram and the
departure time in the timetable. Important measure for punctuality are the percentage of trams with a departure delay of 1 minute or more, the average departure delay and the maximum departure delay. You should distinguish the different end stations.
 Passenger waiting times
Problem description
The Uithoflijn consists of 7.9 km of track, with 9 stops. In the following
tables, a list of all stops are given. In these tables, some more information
is given. Because the tram follows more or less the same route as bus route
12, the corresponding stops are also given. In the last column of each table,
the average driving time between each pair of stops is given. Note that this
driving time is pure driving time, without the dwell time at the stop.
Stop 
Corr. stop route 12 
Distance(km) 
Avg. Driving time(sec) 
Centraal Station 
CS Centrumzijde 


Vaartsche Rijn 
Bleekstraat 
1.4 
134 
Galgenwaard 
Galgenwaard 
3.1 
243 
Kromme Rijn 
De Kromme Rijn 
0.6 
59 
Padualaan 
Padualaan 
0.8 
101 
Heidelberglaan 
Heidelberglaan 
0.4 
60 
UMC 
AZU 
0.4 
86 
WKZ 

0.6 
78 
P+R De Uithof 

0.6 
113 
Table 1: Route information Uithoftram Centraal Station to Uithof
Stop 
Corr. stop route 12 
Distance(km) 
Avg. Driving time(sec) 
P+R De Uithof 



WKZ 

0.6 
110 
UMC 
AZU 
0.6 
78 
Heidelberglaan 
Heidelberglaan 
0.4 
82 
Padualaan 
Padualaan 
0.4 
60 
Kromme Rijn 
De Kromme Rijn 
0.8 
100 
Galgenwaard 
Galgenwaard 
0.6 
59 
Vaartsche Rijn 
Bleekstraat 
3.1 
243 
Centraal Station 
CS Centrumzijde 
1.4 
135 
Table 2: Route information Uithoftram Uithof to Centraal Station
Timetable
Qbuzz (UOV) works with a timetable for the departure at the end
stations. This timetable is defined as follows. We first fix our frequency,
suppose for example that this is 15 (trams per hour). Than we fix the departure
times at P+R de Uithof as
In the timetable we use a oneway driving time of 17 minutes. Each timetable
is based on a specific turnaround time
q at the endstations. Suppose
that we choose
q=5 minutes. Then a tram that the leaves P+R at
t, leaves CS at
t+22 and then P+R again at
t+44, etc. Consequently
the departure times at CS will be:
 .02
 .06
 .10
 .14
 .18
 .22
 etc.
In your simulation study, you should test different values for
q.
Modelling assumption: Passenger arrivals
You may assume that the passengers arrive at the stops according to a Poisson
Proces from which the rate varies over the day. This rate is determined per 15 minutes.
Optional features
 It may be interesting to consider the following disturbance:
at each stop there is a probability of X % that the doors block (X
can be 1, 3, 5 or 10). Then the door safety system needs to be reset,
which takes 1 minute.
 Another option: introduce a dependency of the dwell time on the
number of patients in the tram.
Data for the Simulation
Here you find files that contains data that you will need for the tram simulation.
These files are:
Material lecture Jos Jongerius (Provincie Utrecht)