diff --git a/src/gtfs_tables.sqlite b/src/gtfs_tables.sqlite
index 6de96bd..7f01410 100644
--- a/src/gtfs_tables.sqlite
+++ b/src/gtfs_tables.sqlite
@@ -255,6 +255,7 @@ create table gtfs_stop_times (
 create index arr_time_index on gtfs_stop_times(arrival_time_seconds);
 create index dep_time_index on gtfs_stop_times(departure_time_seconds);
 create index stop_seq_index on gtfs_stop_times(trip_id,stop_sequence);
+create index shape_seq_index on gtfs_shapes(shape_id,shape_pt_sequence);
 
 -- select AddGeometryColumn( 'gtfs_shapes', 'shape', #{WGS84_LATLONG_EPSG}, 'LINESTRING', 2 );
 
diff --git a/src/gtfs_tables_dropindexes.sql b/src/gtfs_tables_dropindexes.sql
index 0fdcb67..ab49f13 100644
--- a/src/gtfs_tables_dropindexes.sql
+++ b/src/gtfs_tables_dropindexes.sql
@@ -1,6 +1,7 @@
 drop index arr_time_index;
 drop index dep_time_index;
 drop index stop_seq_index;
+drop index shape_seq_index;
 
 ALTER TABLE gtfs_agency DROP CONSTRAINT agency_name_pkey CASCADE;
 ALTER TABLE gtfs_stops DROP CONSTRAINT stops_id_pkey CASCADE;
diff --git a/src/gtfs_tables_dropindexes.sqlite b/src/gtfs_tables_dropindexes.sqlite
index d18c652..3cffcad 100644
--- a/src/gtfs_tables_dropindexes.sqlite
+++ b/src/gtfs_tables_dropindexes.sqlite
@@ -2,4 +2,5 @@
 
 drop index arr_time_index;
 drop index dep_time_index;
-drop index stop_seq_index;
\ No newline at end of file
+drop index stop_seq_index;
+drop index shape_seq_index;
diff --git a/src/gtfs_tables_makeindexes.sql b/src/gtfs_tables_makeindexes.sql
index 5ba6d29..85ca693 100644
--- a/src/gtfs_tables_makeindexes.sql
+++ b/src/gtfs_tables_makeindexes.sql
@@ -122,6 +122,7 @@ ALTER TABLE gtfs_stop_times
 create index arr_time_index on gtfs_stop_times(arrival_time_seconds);
 create index dep_time_index on gtfs_stop_times(departure_time_seconds);
 create index stop_seq_index on gtfs_stop_times(trip_id,stop_sequence);
+create index shape_seq_index on gtfs_shapes(shape_id,shape_pt_sequence);
 
 ALTER TABLE gtfs_frequencies ADD CONSTRAINT freq_tid_fkey
       FOREIGN KEY (trip_id)
diff --git a/src/gtfs_tables_makeindexes.sqlite b/src/gtfs_tables_makeindexes.sqlite
index 2ebc2f2..1a7b6a0 100644
--- a/src/gtfs_tables_makeindexes.sqlite
+++ b/src/gtfs_tables_makeindexes.sqlite
@@ -3,4 +3,5 @@
 
 create index arr_time_index on gtfs_stop_times(arrival_time_seconds);
 create index dep_time_index on gtfs_stop_times(departure_time_seconds);
-create index stop_seq_index on gtfs_stop_times(trip_id,stop_sequence);
\ No newline at end of file
+create index stop_seq_index on gtfs_stop_times(trip_id,stop_sequence);
+create index shape_seq_index on gtfs_shapes(shape_id,shape_pt_sequence);