diff --git a/SAS/TMSS/frontend/tmss_webapp/src/layout/sass/_timeline.scss b/SAS/TMSS/frontend/tmss_webapp/src/layout/sass/_timeline.scss
index e9e71c99a8042f651bc6227ef639e90b6f6841b5..5f79c6623120f16b346a9cdd7edc07d08925b8b8 100644
--- a/SAS/TMSS/frontend/tmss_webapp/src/layout/sass/_timeline.scss
+++ b/SAS/TMSS/frontend/tmss_webapp/src/layout/sass/_timeline.scss
@@ -149,6 +149,22 @@
     color: orange;
 }
 
+.su-visible {
+    margin-top: 30px;
+    // margin-left: -59px !important;
+}
+
+.su-hidden {
+    margin-left: -20px !important;
+    z-index: 0 !important;
+    margin-top:40px;
+}
+
+.su-hidden>button {
+    width: 80px;
+    transform: translateX(-50%) translateY(-50%) rotate(-90deg);
+    height: 20px;
+}
 .resize-div,
 .resize-div-min,
 .resize-div-avg,
diff --git a/SAS/TMSS/frontend/tmss_webapp/src/routes/Timeline/view.js b/SAS/TMSS/frontend/tmss_webapp/src/routes/Timeline/view.js
index 7c8436aeacf4e17fa5b73fef1a7c73b81b7eb308..608e07899781932d50e5f30c2cbd3de6d5796fad 100644
--- a/SAS/TMSS/frontend/tmss_webapp/src/routes/Timeline/view.js
+++ b/SAS/TMSS/frontend/tmss_webapp/src/routes/Timeline/view.js
@@ -63,6 +63,7 @@ export class TimelineView extends Component {
             isTaskDetsVisible: false,
             canExtendSUList: true,
             canShrinkSUList: false,
+            isSUListVisible: true,
             selectedItem: null,
             mouseOverItem: null,
             suTaskList:[],
@@ -872,6 +873,7 @@ export class TimelineView extends Component {
         //  if (this.state.loader) {
         //     return <AppLoader />
         // }
+        const isSUListVisible = this.state.isSUListVisible;
         const isSUDetsVisible = this.state.isSUDetsVisible;
         const isReservDetsVisible = this.state.isReservDetsVisible;
         const isTaskDetsVisible = this.state.isTaskDetsVisible;
@@ -898,8 +900,10 @@ export class TimelineView extends Component {
                 { this.state.isLoading ? <AppLoader /> :
                         <div className="p-grid">
                             {/* SU List Panel */}
-                            <div className={isSUDetsVisible || isReservDetsVisible || isTaskDetsVisible || (canExtendSUList && !canShrinkSUList)?"col-lg-4 col-md-4 col-sm-12":((canExtendSUList && canShrinkSUList)?"col-lg-5 col-md-5 col-sm-12":"col-lg-6 col-md-6 col-sm-12")}
-                                 style={{position: "inherit", borderRight: "5px solid #efefef", paddingTop: "10px"}}>
+                            <div className={isSUListVisible && (isSUDetsVisible || isReservDetsVisible || isTaskDetsVisible || 
+                                            (canExtendSUList && !canShrinkSUList)?"col-lg-4 col-md-4 col-sm-12":
+                                            ((canExtendSUList && canShrinkSUList)?"col-lg-5 col-md-5 col-sm-12":"col-lg-6 col-md-6 col-sm-12"))}
+                                 style={isSUListVisible?{position: "inherit", borderRight: "3px solid #efefef", paddingTop: "10px"}:{display: 'none'}}>
                                 <ViewTable 
                                     viewInNewWindow
                                     data={this.state.suBlueprintList} 
@@ -924,8 +928,14 @@ export class TimelineView extends Component {
                                 />
                             </div>
                             {/* Timeline Panel */}
-                            <div className={isSUDetsVisible || isReservDetsVisible || isTaskDetsVisible || (!canExtendSUList && canShrinkSUList)?"col-lg-5 col-md-5 col-sm-12":((canExtendSUList && canShrinkSUList)?"col-lg-7 col-md-7 col-sm-12":"col-lg-8 col-md-8 col-sm-12")}>
+                            <div className={isSUListVisible?((isSUDetsVisible || isReservDetsVisible)?"col-lg-5 col-md-5 col-sm-12":
+                                                (!canExtendSUList && canShrinkSUList)?"col-lg-6 col-md-6 col-sm-12":
+                                                ((canExtendSUList && canShrinkSUList)?"col-lg-7 col-md-7 col-sm-12":"col-lg-8 col-md-8 col-sm-12")):
+                                                ((isSUDetsVisible || isReservDetsVisible || isTaskDetsVisible)?"col-lg-9 col-md-9 col-sm-12":"col-lg-12 col-md-12 col-sm-12")}
+                                // style={{borderLeft: "3px solid #efefef"}}
+                                >
                                 {/* Panel Resize buttons */}
+                                {isSUListVisible &&
                                 <div className="resize-div">
                                     <button className="p-link resize-btn" disabled={!this.state.canShrinkSUList} 
                                             title="Shrink List/Expand Timeline"
@@ -933,12 +943,28 @@ export class TimelineView extends Component {
                                         <i className="pi pi-step-backward"></i>
                                     </button>
                                     <button className="p-link resize-btn" disabled={!this.state.canExtendSUList} 
-                                            title="Expandd List/Shrink Timeline"
+                                            title="Expand List/Shrink Timeline"
                                             onClick={(e)=> { this.resizeSUList(1)}}>
                                         <i className="pi pi-step-forward"></i>
                                     </button>
                                 </div> 
-                            
+                                }
+                                <div className={isSUListVisible?"resize-div su-visible":"resize-div su-hidden"}>
+                                    {isSUListVisible &&
+                                    <button className="p-link resize-btn" 
+                                            title="Hide List"
+                                            onClick={(e)=> { this.setState({isSUListVisible: false})}}>
+                                        <i className="pi pi-eye-slash"></i>
+                                    </button>
+                                    }
+                                    {!isSUListVisible &&
+                                    <button className="p-link resize-btn"
+                                            title="Show List"
+                                            onClick={(e)=> { this.setState({isSUListVisible: true})}}>
+                                        <i className="pi pi-eye"> Show List</i>
+                                    </button>
+                                    }
+                                </div>
                                 <div className={`timeline-view-toolbar ${this.state.stationView && 'alignTimeLineHeader'}`}>
                                     <div  className="sub-header">
                                         <label >Station View</label>
diff --git a/SAS/TMSS/frontend/tmss_webapp/src/routes/Timeline/week.view.js b/SAS/TMSS/frontend/tmss_webapp/src/routes/Timeline/week.view.js
index 08322699a4c79cdcfe50a79e093874b69509c2ad..03a38109bd1fd8963783774bc55eb331a4f3e4d3 100644
--- a/SAS/TMSS/frontend/tmss_webapp/src/routes/Timeline/week.view.js
+++ b/SAS/TMSS/frontend/tmss_webapp/src/routes/Timeline/week.view.js
@@ -50,6 +50,7 @@ export class WeekTimelineView extends Component {
             suBlueprintList: [],    // SU Blueprints filtered to view
             group:[],               // Timeline group from scheduling unit draft name
             items:[],               // Timeline items from scheduling unit blueprints grouped by scheduling unit draft
+            isSUListVisible: true,
             isSUDetsVisible: false,
             canExtendSUList: true,
             canShrinkSUList: false,
@@ -771,6 +772,7 @@ export class WeekTimelineView extends Component {
         if (this.state.redirect) {
             return <Redirect to={ {pathname: this.state.redirect} }></Redirect>
         }
+        const isSUListVisible = this.state.isSUListVisible;
         const isSUDetsVisible = this.state.isSUDetsVisible;
         const isReservDetsVisible = this.state.isReservDetsVisible;
         const canExtendSUList = this.state.canExtendSUList;
@@ -803,8 +805,10 @@ export class WeekTimelineView extends Component {
                         </div> */}
                         <div className="p-grid">
                             {/* SU List Panel */}
-                            <div className={isSUDetsVisible || isReservDetsVisible || (canExtendSUList && !canShrinkSUList)?"col-lg-4 col-md-4 col-sm-12":((canExtendSUList && canShrinkSUList)?"col-lg-5 col-md-5 col-sm-12":"col-lg-6 col-md-6 col-sm-12")}
-                                 style={{position: "inherit", borderRight: "5px solid #efefef", paddingTop: "10px"}}>
+                            <div className={isSUListVisible && (isSUDetsVisible || isReservDetsVisible || 
+                                                (canExtendSUList && !canShrinkSUList)?"col-lg-4 col-md-4 col-sm-12":
+                                                ((canExtendSUList && canShrinkSUList)?"col-lg-5 col-md-5 col-sm-12":"col-lg-6 col-md-6 col-sm-12"))}
+                                 style={isSUListVisible?{position: "inherit", borderRight: "5px solid #efefef", paddingTop: "10px"}:{display: "none"}}>
                                 <ViewTable viewInNewWindow
                                     data={this.state.suBlueprintList} 
                                     defaultcolumns={[{name: "Name",
@@ -822,8 +826,14 @@ export class WeekTimelineView extends Component {
                                 />
                             </div>
                             {/* Timeline Panel */}
-                            <div className={isSUDetsVisible || isReservDetsVisible || (!canExtendSUList && canShrinkSUList)?"col-lg-5 col-md-5 col-sm-12":((canExtendSUList && canShrinkSUList)?"col-lg-7 col-md-7 col-sm-12":"col-lg-8 col-md-8 col-sm-12")}>
+                            <div className={isSUListVisible?((isSUDetsVisible || isReservDetsVisible)?"col-lg-5 col-md-5 col-sm-12": 
+                                                (!canExtendSUList && canShrinkSUList)?"col-lg-6 col-md-6 col-sm-12":
+                                                ((canExtendSUList && canShrinkSUList)?"col-lg-7 col-md-7 col-sm-12":"col-lg-8 col-md-8 col-sm-12")):
+                                                ((isSUDetsVisible || isReservDetsVisible)?"col-lg-9 col-md-9 col-sm-12":"col-lg-12 col-md-12 col-sm-12")}
+                                // style={{borderLeft: "3px solid #efefef"}}
+                                >
                                 {/* Panel Resize buttons */}
+                                {isSUListVisible &&
                                 <div className="resize-div">
                                     <button className="p-link resize-btn" disabled={!this.state.canShrinkSUList} 
                                             title="Shrink List/Expand Timeline"
@@ -835,7 +845,24 @@ export class WeekTimelineView extends Component {
                                             onClick={(e)=> { this.resizeSUList(1)}}>
                                         <i className="pi pi-step-forward"></i>
                                     </button>
-                                </div> 
+                                </div>
+                                }
+                                <div className={isSUListVisible?"resize-div su-visible":"resize-div su-hidden"}>
+                                    {isSUListVisible &&
+                                    <button className="p-link resize-btn" 
+                                            title="Hide List"
+                                            onClick={(e)=> { this.setState({isSUListVisible: false})}}>
+                                        <i className="pi pi-eye-slash"></i>
+                                    </button>
+                                    }
+                                    {!isSUListVisible &&
+                                    <button className="p-link resize-btn"
+                                            title="Show List"
+                                            onClick={(e)=> { this.setState({isSUListVisible: true})}}>
+                                        <i className="pi pi-eye"> Show List</i>
+                                    </button>
+                                    }
+                                </div>
                                 <div className={`timeline-view-toolbar ${this.state.reservationEnabled && 'alignTimeLineHeader'}`}>
                                     <div  className="sub-header">
                                         <label >Show Reservations</label>