diff --git a/Configuration/ProcessModifiers/python/singleIterPatatrack_cff.py b/Configuration/ProcessModifiers/python/singleIterPatatrack_cff.py
new file mode 100644
index 0000000000000..e30f808b98331
--- /dev/null
+++ b/Configuration/ProcessModifiers/python/singleIterPatatrack_cff.py
@@ -0,0 +1,6 @@
+import FWCore.ParameterSet.Config as cms
+
+# This modifier merges the initialStep and highPtTripletStep iterations
+# to a single iteration using Patatrack pixel tracks with >3 hits as seeds
+singleIterPatatrack = cms.Modifier()
+
diff --git a/HLTrigger/Configuration/python/HLT_75e33/modules/hltGeneralTracks_cfi.py b/HLTrigger/Configuration/python/HLT_75e33/modules/hltGeneralTracks_cfi.py
index e0d375fadacfc..1d8fec9523d47 100644
--- a/HLTrigger/Configuration/python/HLT_75e33/modules/hltGeneralTracks_cfi.py
+++ b/HLTrigger/Configuration/python/HLT_75e33/modules/hltGeneralTracks_cfi.py
@@ -25,6 +25,20 @@
     writeOnlyTrkQuals = cms.bool(False)
 )
 
+_hltGeneralTracksSingleIterPatatrack = hltGeneralTracks.clone(
+    TrackProducers = cms.VInputTag("hltInitialStepTrackSelectionHighPurity"),
+    hasSelector = cms.vint32(0),
+    indivShareFrac = cms.vdouble(1.0),
+    selectedTrackQuals = cms.VInputTag(cms.InputTag("hltInitialStepTrackSelectionHighPurity")),
+    setsToMerge = cms.VPSet(cms.PSet(
+        pQual = cms.bool(True),
+        tLists = cms.vint32(0)
+    ))
+)
+
+from Configuration.ProcessModifiers.singleIterPatatrack_cff import singleIterPatatrack
+singleIterPatatrack.toReplaceWith(hltGeneralTracks, _hltGeneralTracksSingleIterPatatrack)
+
 _hltGeneralTracksLST = hltGeneralTracks.clone(
     TrackProducers = cms.VInputTag("hltInitialStepTrackSelectionHighPuritypTTCLST", "hltInitialStepTrackSelectionHighPuritypLSTCLST", "hltInitialStepTracksT5TCLST", "hltHighPtTripletStepTrackSelectionHighPurity"),
     hasSelector = cms.vint32(0,0,0,0),
@@ -39,6 +53,19 @@
 from Configuration.ProcessModifiers.trackingLST_cff import trackingLST
 trackingLST.toReplaceWith(hltGeneralTracks, _hltGeneralTracksLST)
 
+_hltGeneralTracksLSTSingleIterPatatrack = hltGeneralTracks.clone(
+    TrackProducers = cms.VInputTag("hltInitialStepTrackSelectionHighPuritypTTCLST", "hltInitialStepTrackSelectionHighPuritypLSTCLST", "hltInitialStepTracksT5TCLST"),
+    hasSelector = cms.vint32(0,0,0),
+    indivShareFrac = cms.vdouble(0.1,0.1,0.1),
+    selectedTrackQuals = cms.VInputTag(cms.InputTag("hltInitialStepTrackSelectionHighPuritypTTCLST"), cms.InputTag("hltInitialStepTrackSelectionHighPuritypLSTCLST"), cms.InputTag("hltInitialStepTracksT5TCLST")),
+    setsToMerge = cms.VPSet(cms.PSet(
+        pQual = cms.bool(True),
+        tLists = cms.vint32(0,1,2)
+    ))
+)
+
+(singleIterPatatrack & trackingLST).toReplaceWith(hltGeneralTracks, _hltGeneralTracksLSTSingleIterPatatrack)
+
 _hltGeneralTracksLSTSeeding = hltGeneralTracks.clone(
             TrackProducers = cms.VInputTag("hltInitialStepTrackSelectionHighPuritypTTCLST", "hltInitialStepTracksT5TCLST", "hltHighPtTripletStepTrackSelectionHighPuritypLSTCLST"),
             hasSelector = cms.vint32(0,0,0),
diff --git a/HLTrigger/Configuration/python/HLT_75e33/modules/hltPhase2PixelTracksSoA_cfi.py b/HLTrigger/Configuration/python/HLT_75e33/modules/hltPhase2PixelTracksSoA_cfi.py
index d52dbb5f12d09..28978bd358c4d 100644
--- a/HLTrigger/Configuration/python/HLT_75e33/modules/hltPhase2PixelTracksSoA_cfi.py
+++ b/HLTrigger/Configuration/python/HLT_75e33/modules/hltPhase2PixelTracksSoA_cfi.py
@@ -41,3 +41,9 @@
     # autoselect the alpaka backend
     alpaka = cms.untracked.PSet(backend = cms.untracked.string(''))
 )
+
+_hltPhase2PixelTracksSoASingleIterPatatrack = hltPhase2PixelTracksSoA.clone(minHitsPerNtuplet = cms.uint32(3))
+
+from Configuration.ProcessModifiers.singleIterPatatrack_cff import singleIterPatatrack
+singleIterPatatrack.toReplaceWith(hltPhase2PixelTracksSoA, _hltPhase2PixelTracksSoASingleIterPatatrack)
+
diff --git a/HLTrigger/Configuration/python/HLT_75e33/modules/hltPixelSeedInputLST_cfi.py b/HLTrigger/Configuration/python/HLT_75e33/modules/hltPixelSeedInputLST_cfi.py
index 4729efd96cf81..6b08fa9b63706 100644
--- a/HLTrigger/Configuration/python/HLT_75e33/modules/hltPixelSeedInputLST_cfi.py
+++ b/HLTrigger/Configuration/python/HLT_75e33/modules/hltPixelSeedInputLST_cfi.py
@@ -8,3 +8,10 @@
     )
 )
 
+_hltPixelSeedInputLSTSingleIterPatatrack = hltPixelSeedInputLST.clone(
+    seedTracks = cms.VInputTag('hltInitialStepSeedTracksLST')
+)
+
+from Configuration.ProcessModifiers.singleIterPatatrack_cff import singleIterPatatrack
+singleIterPatatrack.toReplaceWith(hltPixelSeedInputLST, _hltPixelSeedInputLSTSingleIterPatatrack)
+
diff --git a/HLTrigger/Configuration/python/HLT_75e33/sequences/HLTInitialStepSequence_cfi.py b/HLTrigger/Configuration/python/HLT_75e33/sequences/HLTInitialStepSequence_cfi.py
index e0c701dc03a35..1ad1443df74b8 100644
--- a/HLTrigger/Configuration/python/HLT_75e33/sequences/HLTInitialStepSequence_cfi.py
+++ b/HLTrigger/Configuration/python/HLT_75e33/sequences/HLTInitialStepSequence_cfi.py
@@ -44,6 +44,9 @@
 from Configuration.ProcessModifiers.trackingLST_cff import trackingLST
 trackingLST.toReplaceWith(HLTInitialStepSequence, _HLTInitialStepSequenceLST)
 
+from Configuration.ProcessModifiers.singleIterPatatrack_cff import singleIterPatatrack
+(singleIterPatatrack & trackingLST).toReplaceWith(HLTInitialStepSequence, HLTInitialStepSequence.copyAndExclude([HLTHighPtTripletStepSeedingSequence,hltHighPtTripletStepSeedTracksLST]))
+
 from Configuration.ProcessModifiers.seedingLST_cff import seedingLST
 (seedingLST & trackingLST).toReplaceWith(HLTInitialStepSequence, _HLTInitialStepSequenceLST.copyAndExclude([hltInitialStepTrackspLSTCLST,hltInitialStepTrackCutClassifierpLSTCLST,hltInitialStepTrackSelectionHighPuritypLSTCLST]))
 
diff --git a/HLTrigger/Configuration/python/HLT_75e33/sequences/HLTTrackingV61Sequence_cfi.py b/HLTrigger/Configuration/python/HLT_75e33/sequences/HLTTrackingV61Sequence_cfi.py
index e10294c40bb74..9d0a9a0aa92e1 100644
--- a/HLTrigger/Configuration/python/HLT_75e33/sequences/HLTTrackingV61Sequence_cfi.py
+++ b/HLTrigger/Configuration/python/HLT_75e33/sequences/HLTTrackingV61Sequence_cfi.py
@@ -10,3 +10,7 @@
 from ..sequences.HLTOtLocalRecoSequence_cfi import *
 
 HLTTrackingV61Sequence = cms.Sequence((HLTItLocalRecoSequence+HLTOtLocalRecoSequence+hltTrackerClusterCheck+HLTPhase2PixelTracksSequence+hltPhase2PixelVertices+HLTInitialStepSequence+HLTHighPtTripletStepSequence+hltGeneralTracks))
+
+from Configuration.ProcessModifiers.singleIterPatatrack_cff import singleIterPatatrack
+singleIterPatatrack.toReplaceWith(HLTTrackingV61Sequence, HLTTrackingV61Sequence.copyAndExclude([HLTHighPtTripletStepSequence]))
+