diff --git a/original_data/shp/switzerland/switzerland.cpg b/original_data/shp/switzerland/switzerland.cpg
new file mode 100644
index 0000000..3ad133c
--- /dev/null
+++ b/original_data/shp/switzerland/switzerland.cpg
@@ -0,0 +1 @@
+UTF-8
\ No newline at end of file
diff --git a/original_data/shp/switzerland/switzerland.ctf b/original_data/shp/switzerland/switzerland.ctf
new file mode 100644
index 0000000..014cb42
--- /dev/null
+++ b/original_data/shp/switzerland/switzerland.ctf
@@ -0,0 +1,65 @@
+Name;Alias
+NO;NO
+NAME;NAME
+AGGLO_ID;AGGLO_ID
+AMR_ID;AMR_ID
+MUN_ID;MUN_ID
+KT_ID;KT_ID
+MSR_ID;MSR_ID
+SL3_ID;SL3_ID
+AGGLO_NAME;AGGLO_NAME
+AMR_NAME;AMR_NAME
+MUN_NAME;MUN_NAME
+KT_NAME;KT_NAME
+MSR_NAME;MSR_NAME
+SL3_NAME;SL3_NAME
+AMGR_ID;AMGR_ID
+AMGR_NAME;AMGR_NAME
+AREA_LAND;AREA_LAND
+MOTORISATION_LEVEL;MOTORISA~1
+ZONE_INDEX;ZONE_INDEX
+VISIT_L;VISIT_L
+VISIT_S;VISIT_S
+VISIT_S_ST;VISIT_S_ST
+VISIT_S_LT;VISIT_S_LT
+SCHL_ENR_1;SCHL_ENR_1
+SCHL_ENR_2;SCHL_ENR_2
+SCHL_APPR;SCHL_APPR
+SCHL_ENR_3;SCHL_ENR_3
+AREA_LAND;AREA_LAND
+DENSITY;DENSITY
+POP_TOTAL;POP_TOTAL
+POP_EMPL;POP_EMPL
+POP_PUP_1;POP_PUP_1
+POP_PUP_2;POP_PUP_2
+POP_APPR;POP_APPR
+POP_STUD_3;POP_STUD_3
+POP_0017;POP_0017
+POP_1824;POP_1824
+POP_2544;POP_2544
+POP_4564;POP_4564
+POP_6574;POP_6574
+POP_75XX;POP_75XX
+POP_DL;POP_DL
+POP_CARS;POP_CARS
+POP_CARAVL;POP_CARAVL
+POP_HT;POP_HT
+POP_GA;POP_GA
+POP_VA;POP_VA
+POP_VA_HT;POP_VA_HT
+JOBS_TOTAL;JOBS_TOTAL
+JOBS_ENDO;JOBS_ENDO
+FTE_TOTAL;FTE_TOTAL
+FTE_ENDO;FTE_ENDO
+AT_CAR;AT_CAR
+AT_RIDE;AT_RIDE
+PC_CAR;PC_CAR
+PC_RIDE;PC_RIDE
+ACCSIB_MUL;ACCSIB_MUL
+ACCSIB_CAR;ACCSIB_CAR
+ACCSIB_PT;ACCSIB_PT
+ACCSIB_JOB_45MIN_PT;ACCSIB_J~2
+CAR_TTIMES;CAR_TTIMES
+PT_TTIMES;PT_TTIMES
+PT_TRSFERS;PT_TRSFERS
+PT_FREQNCY;PT_FREQNCY
diff --git a/original_data/shp/switzerland/switzerland.dbf b/original_data/shp/switzerland/switzerland.dbf
new file mode 100644
index 0000000..44627d4
Binary files /dev/null and b/original_data/shp/switzerland/switzerland.dbf differ
diff --git a/original_data/shp/switzerland/switzerland.prj b/original_data/shp/switzerland/switzerland.prj
new file mode 100644
index 0000000..a63c61d
--- /dev/null
+++ b/original_data/shp/switzerland/switzerland.prj
@@ -0,0 +1 @@
+PROJCS["CH1903+_LV95_TOWGS",GEOGCS["GCS_CH1903+_LV95_TOWGS",DATUM["D_CH1903+",SPHEROID["Bessel_1841",6377397.155,299.1528128],TOWGS84[674.4,15.1,405.3,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["Degree",0.0174532925199432955]],PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"],PARAMETER["False_Easting",2600000],PARAMETER["False_Northing",1200000],PARAMETER["Scale_Factor",1],PARAMETER["Azimuth",90],PARAMETER["Longitude_Of_Center",7.439583333333333],PARAMETER["Latitude_Of_Center",46.95240555555556],UNIT["Meter",1]]
\ No newline at end of file
diff --git a/original_data/shp/switzerland/switzerland.shp b/original_data/shp/switzerland/switzerland.shp
new file mode 100644
index 0000000..f98074a
Binary files /dev/null and b/original_data/shp/switzerland/switzerland.shp differ
diff --git a/original_data/shp/switzerland/switzerland.shx b/original_data/shp/switzerland/switzerland.shx
new file mode 100644
index 0000000..a4efed7
Binary files /dev/null and b/original_data/shp/switzerland/switzerland.shx differ
diff --git a/src/main/java/ch/sbb/prepare/GenerateRailsimInput.java b/src/main/java/ch/sbb/prepare/GenerateRailsimInput.java
index f8d9896..2961308 100644
--- a/src/main/java/ch/sbb/prepare/GenerateRailsimInput.java
+++ b/src/main/java/ch/sbb/prepare/GenerateRailsimInput.java
@@ -46,21 +46,29 @@
 
 public final class GenerateRailsimInput {
 
-	// input files
+	// input osm and gtfs file
 	private static final String INPUT_OSM_FILE = "original_data/osm/switzerland_railways.osm";
 	private static final String INPUT_GTFS_FILE = "original_data/gtfs/gtfs_fp2024_2024-03-20_04-15.zip";
-    private static final String areaShpFileForTrimming = null;
+	
+	// optional: trim the schedule
+    // private static final String areaShpFileForTrimming = null;
     // private static final String areaShpFileForTrimming = "original_data/shp/olten/olten.shp";
-    private static final Set<String> transitLineNamePrefixesToKeep = CollectionUtils.stringToSet("IC,IR,RE");
+    private static final String areaShpFileForTrimming = "original_data/shp/switzerland/switzerland.shp";
+    
+    // optional: filter by line name prefix
+    // private static final Set<String> transitLineNamePrefixesToKeep = CollectionUtils.stringToSet("IC,IR,RE,S");
+    private static final Set<String> transitLineNamePrefixesToKeep = null;
+
 	private static final String EPSG2056 = "EPSG:2056";
 	
-	// final matsim input files
+	// matsim input files to write
 	private static final String MATSIM_INPUT = "matsim_input/";
 	private static final String VEHICLES_GTFS = MATSIM_INPUT + "transitVehicles.xml.gz";
 	private static final String NETWORK_FINAL = MATSIM_INPUT + "transitNetwork.xml.gz";
 	private static final String SCHEDULE_FINAL = MATSIM_INPUT + "transitSchedule.xml.gz";
 	
 	// intermediate files
+	
 	private static final String MATSIM_INPUT_TMP = "matsim_input/tmp/";
     
 	private static final String PT2MATSIM_OSM_CONVERTER_CONFIG_DEFAULT = MATSIM_INPUT_TMP + "pt2matsim_osm_converter_config_default.xml";