diff --git a/lib/admin/actions/admin.js b/lib/admin/actions/admin.js
index d7dcdb78e..cfb17a104 100644
--- a/lib/admin/actions/admin.js
+++ b/lib/admin/actions/admin.js
@@ -22,11 +22,11 @@ export const receiveUsers = createAction(
 export const requestingUsers = createVoidPayloadAction('REQUESTING_USERS')
 export const setUserPage = createAction(
   'SET_USER_PAGE',
-  (payload: number /* page */) => payload
+  (payload: number) => payload
 )
 export const setUserQueryString = createAction(
   'SET_USER_QUERY_STRING',
-  (payload: string /* queryString */) => payload
+  (payload: string) => payload
 )
 
 export type AdminActions = ActionType<typeof createdUser> |
diff --git a/lib/alerts/actions/alerts.js b/lib/alerts/actions/alerts.js
index b8787576c..be17fae6f 100644
--- a/lib/alerts/actions/alerts.js
+++ b/lib/alerts/actions/alerts.js
@@ -79,6 +79,8 @@ export function setActiveAlert (alertId: number) {
     const alert = getState().alerts.all.find(a => a.id === alertId)
     if (alert) {
       dispatch(updateActiveAlert(alert))
+    } else {
+      console.warn(`Could not find alert with id: ${alertId}`)
     }
   }
 }
diff --git a/lib/editor/actions/editor.js b/lib/editor/actions/editor.js
index 857891270..db7de941d 100644
--- a/lib/editor/actions/editor.js
+++ b/lib/editor/actions/editor.js
@@ -51,7 +51,10 @@ function getCloneProps (entityId: string, component: string, state: AppState) {
   const activeTable = getTableById(tables, component)
   switch (component) {
     case 'trippattern':
-      if (!active.entity) return
+      if (!active.entity) {
+        console.warn('no entity is active, unable to get clone props')
+        return
+      }
       const pattern = active.entity.tripPatterns.find(tp => tp.id === entityId)
       const newPatternId = generateUID()
       const newShapeId = generateUID()
diff --git a/lib/gtfs/components/GtfsMap.js b/lib/gtfs/components/GtfsMap.js
index 0c3f28f51..88a7df07f 100644
--- a/lib/gtfs/components/GtfsMap.js
+++ b/lib/gtfs/components/GtfsMap.js
@@ -199,7 +199,7 @@ export default class GtfsMap extends Component<Props, State> {
     const zoomLevel: number = this.refs.map.leafletElement.getZoom()
     const feedsToSearch = feeds || this.props.feeds || []
     const ents = entities || this.props.entities
-    if ((feedsToSearch && feedsToSearch.length === 0) || zoomLevel > 13) {
+    if (feedsToSearch.length === 0 || zoomLevel > 13) {
       refreshGtfsElements(feedsToSearch, ents)
     }
   }
diff --git a/lib/gtfs/components/PatternGeoJson.js b/lib/gtfs/components/PatternGeoJson.js
index 1fec31255..78f8a5f69 100644
--- a/lib/gtfs/components/PatternGeoJson.js
+++ b/lib/gtfs/components/PatternGeoJson.js
@@ -26,9 +26,7 @@ export default class PatternGeoJson extends Component<Props> {
   _onClickAction = () => {
     const {onRouteClick, newEntityId, pattern} = this.props
     const {feed, route} = pattern
-    if (onRouteClick) {
-      onRouteClick(route, feed, newEntityId)
-    }
+    onRouteClick && onRouteClick(route, feed, newEntityId)
   }
 
   render () {
diff --git a/lib/gtfs/components/StopMarker.js b/lib/gtfs/components/StopMarker.js
index 6d765849f..7700d2336 100644
--- a/lib/gtfs/components/StopMarker.js
+++ b/lib/gtfs/components/StopMarker.js
@@ -23,9 +23,7 @@ export default class StopMarker extends Component<Props> {
   _onClick = () => {
     const {newEntityId, onStopClick, stop} = this.props
     const {feed} = stop
-    if (onStopClick) {
-      onStopClick(stop, feed, newEntityId)
-    }
+    onStopClick && onStopClick(stop, feed, newEntityId)
   }
 
   render () {
diff --git a/lib/index.css b/lib/index.css
index 34b3c8af3..33e55ca6f 100644
--- a/lib/index.css
+++ b/lib/index.css
@@ -1,6 +1,6 @@
 
 @import url(node_modules/font-awesome/css/font-awesome.css);
-@import url(https://unpkg.com/leaflet@1.0.3/dist/leaflet.css);
+@import url(node_modules/leaflet/dist/leaflet.css);
 
 @import url(node_modules/bootstrap/dist/css/bootstrap.min.css);
 @import url(node_modules/react-bootstrap-table/dist/react-bootstrap-table.min.css);
diff --git a/lib/manager/actions/deployments.js b/lib/manager/actions/deployments.js
index a9f2c3408..e1036c504 100644
--- a/lib/manager/actions/deployments.js
+++ b/lib/manager/actions/deployments.js
@@ -16,7 +16,7 @@ const DEPLOYMENT_URL = `/api/manager/secure/deployments`
 // Deployment Actions
 export const createDeployment = createAction(
   'CREATE_DEPLOYMENT',
-  (payload: string /* project id */) => payload
+  (payload: string) => payload
 )
 const receiveDeployment = createAction(
   'RECEIVE_DEPLOYMENT',
diff --git a/lib/manager/actions/feeds.js b/lib/manager/actions/feeds.js
index 7be5dd58c..bfded3016 100644
--- a/lib/manager/actions/feeds.js
+++ b/lib/manager/actions/feeds.js
@@ -35,7 +35,7 @@ export const receiveFeedSource = createAction(
 )
 export const createFeedSource = createAction(
   'CREATE_FEEDSOURCE',
-  (payload: string /* project id */) => payload
+  (payload: string) => payload
 )
 
 export type FeedActions = ActionType<typeof requestingFeedSource> |
diff --git a/lib/manager/actions/languages.js b/lib/manager/actions/languages.js
index 6e00db7db..59682cd4b 100644
--- a/lib/manager/actions/languages.js
+++ b/lib/manager/actions/languages.js
@@ -4,7 +4,7 @@ import {createAction, type ActionType} from 'redux-actions'
 
 export const setActiveLanguage = createAction(
   'SET_ACTIVE_LANGUAGE',
-  (payload: string /* languageId */) => payload
+  (payload: string) => payload
 )
 
 export type LanguageActions = ActionType<typeof setActiveLanguage>
diff --git a/lib/manager/components/validation/ServicePerModeChart.js b/lib/manager/components/validation/ServicePerModeChart.js
index 5feec3570..2a23980d9 100644
--- a/lib/manager/components/validation/ServicePerModeChart.js
+++ b/lib/manager/components/validation/ServicePerModeChart.js
@@ -14,6 +14,8 @@ type Props = {
   validationResult: ValidationResult
 }
 
+const maxDaysToShow = 500
+
 export default class ServicePerModeChart extends Component<Props> {
   _getData = (validationResult: ValidationResult) => {
     const {dailyBusSeconds, dailyTramSeconds, dailyMetroSeconds, dailyRailSeconds, dailyTotalSeconds, firstCalendarDate} = validationResult
@@ -24,7 +26,8 @@ export default class ServicePerModeChart extends Component<Props> {
     const hasRail = dailyRailSeconds.filter(s => s > 0).length > 0
     let hasOther = false
     const data = []
-    for (let i = 0; i < dailyTotalSeconds.length; i++) {
+    const limit = Math.min(dailyTotalSeconds.length, maxDaysToShow)
+    for (let i = 0; i < limit; i++) {
       const column = {}
       column.date = firstDate.clone().add(i, 'days')
       let other = dailyTotalSeconds[i]
@@ -84,6 +87,7 @@ export default class ServicePerModeChart extends Component<Props> {
     for (let i = yAxisPeriod; i <= yAxisMax; i += yAxisPeriod) {
       yAxisLabels.push(i)
     }
+    const curtailed = maxDaysToShow < validationResult.dailyTotalSeconds.length
     return (
       <div
         className='text-center'
@@ -174,6 +178,11 @@ export default class ServicePerModeChart extends Component<Props> {
               </text>
             </g>
           ))}
+          {curtailed &&
+            <text x={100 * modes.length} y={graphHeight + 43}>
+              * only first 500 days of service shown
+            </text>
+          }
         </svg>
       </div>
     )
diff --git a/lib/manager/components/validation/TripsChart.js b/lib/manager/components/validation/TripsChart.js
index c80776500..8e29beb2d 100644
--- a/lib/manager/components/validation/TripsChart.js
+++ b/lib/manager/components/validation/TripsChart.js
@@ -18,6 +18,7 @@ const COLORS = {
   SATURDAY: '#66c2a5',
   SUNDAY: '#fc8d62'
 }
+const maxDaysToShow = 500
 
 export default class TripsChart extends Component<Props> {
   render () {
@@ -27,8 +28,9 @@ export default class TripsChart extends Component<Props> {
     }
     const {dailyTripCounts, firstCalendarDate} = validationResult
     const firstDate = moment(firstCalendarDate)
-    const data = dailyTripCounts.map((count, index) =>
-      [firstDate.clone().add(index, 'days'), count])
+    const data = dailyTripCounts
+      .slice(0, maxDaysToShow)
+      .map((count, index) => [firstDate.clone().add(index, 'days'), count])
     const graphHeight = 300
     const spacing = 8
     const leftMargin = 50
@@ -43,6 +45,7 @@ export default class TripsChart extends Component<Props> {
     for (var i = yAxisPeriod; i <= yAxisMax; i += yAxisPeriod) {
       yAxisLabels.push(i)
     }
+    const curtailed = maxDaysToShow < dailyTripCounts.length
     return (
       <div
         className='text-center'
@@ -123,6 +126,11 @@ export default class TripsChart extends Component<Props> {
               </text>
             </g>
           ))}
+          {curtailed &&
+            <text x={100 * Object.keys(COLORS).length} y={graphHeight + 43}>
+              * only first 500 days of service shown
+            </text>
+          }
         </svg>
       </div>
     )
diff --git a/lib/manager/reducers/projects.js b/lib/manager/reducers/projects.js
index 88760e982..b196a6a1e 100644
--- a/lib/manager/reducers/projects.js
+++ b/lib/manager/reducers/projects.js
@@ -3,8 +3,8 @@
 import update from 'react-addons-update'
 import {getConfigProperty} from '../../common/util/config'
 import {defaultSorter} from '../../common/util/util'
+import {getIndexesFromFeed} from '../util'
 
-import type {FeedVersion} from '../../types'
 import type {Action} from '../../types/actions'
 import type {ProjectsState} from '../../types/reducers'
 
@@ -458,50 +458,4 @@ const projects = (state: ProjectsState = defaultState, action: Action): Projects
   }
 }
 
-// helper function to get indexes
-function getIndexesFromFeed ({
-  errorType,
-  feedSourceId,
-  feedVersionId,
-  projectId,
-  state
-}: {
-  errorType?: string,
-  feedSourceId?: string,
-  feedVersionId?: FeedVersion,
-  projectId: string,
-  state: ProjectsState
-}): {
-  errorIndex: number,
-  projectIndex: number,
-  sourceIndex: number,
-  versionIndex: number
-} {
-  const projectIndex = state.all.findIndex(p => p.id === projectId)
-  if (!feedSourceId || projectIndex < 0) {
-    return { projectIndex, sourceIndex: -2, versionIndex: -2, errorIndex: -2 }
-  }
-  const project = state.all[projectIndex]
-  if (!project.feedSources) {
-    return { projectIndex, sourceIndex: -2, versionIndex: -2, errorIndex: -2 }
-  }
-  const sourceIndex = project.feedSources.findIndex(s => s.id === feedSourceId)
-  if (!feedVersionId || sourceIndex < 0 || !project.feedSources) {
-    return { projectIndex, sourceIndex, versionIndex: -2, errorIndex: -2 }
-  }
-  const feedSource = project.feedSources[sourceIndex]
-  if (!feedSource.feedVersions) {
-    return { projectIndex, sourceIndex, versionIndex: -2, errorIndex: -2 }
-  }
-  const versionIndex = feedSource.feedVersions.findIndex(v => v.id === feedVersionId)
-  if (!errorType || !feedSource.feedVersions || versionIndex < 0) {
-    return { projectIndex, sourceIndex, versionIndex, errorIndex: -2 }
-  }
-  const feedVersion = feedSource.feedVersions[versionIndex]
-  const errorIndex = feedVersion.validationResult.error_counts.findIndex(
-    e => e.type === errorType
-  )
-  return { errorIndex, projectIndex, sourceIndex, versionIndex }
-}
-
 export default projects
diff --git a/lib/manager/util/index.js b/lib/manager/util/index.js
index d3c73a9fe..a5238ca79 100644
--- a/lib/manager/util/index.js
+++ b/lib/manager/util/index.js
@@ -1,7 +1,6 @@
 // @flow
-
-import type {Feed, Project} from '../../types'
-import type {ManagerUserState} from '../../types/reducers'
+import type {Feed, FeedVersion, Project} from '../../types'
+import type {ManagerUserState, ProjectsState} from '../../types/reducers'
 
 export function findProjectByFeedSource (
   allProjects: ?Array<Project>,
@@ -55,3 +54,51 @@ export function isEditingDisabled (
     )
   )
 }
+
+/**
+ * Helper function to get the index of various things from the project state.
+ */
+export function getIndexesFromFeed ({
+  errorType,
+  feedSourceId,
+  feedVersionId,
+  projectId,
+  state
+}: {
+  errorType?: string,
+  feedSourceId?: string,
+  feedVersionId?: FeedVersion,
+  projectId: string,
+  state: ProjectsState
+}): {
+  errorIndex: number,
+  projectIndex: number,
+  sourceIndex: number,
+  versionIndex: number
+} {
+  const projectIndex = state.all.findIndex(p => p.id === projectId)
+  if (!feedSourceId || projectIndex < 0) {
+    return { projectIndex, sourceIndex: -2, versionIndex: -2, errorIndex: -2 }
+  }
+  const project = state.all[projectIndex]
+  if (!project.feedSources) {
+    return { projectIndex, sourceIndex: -2, versionIndex: -2, errorIndex: -2 }
+  }
+  const sourceIndex = project.feedSources.findIndex(s => s.id === feedSourceId)
+  if (!feedVersionId || sourceIndex < 0 || !project.feedSources) {
+    return { projectIndex, sourceIndex, versionIndex: -2, errorIndex: -2 }
+  }
+  const feedSource = project.feedSources[sourceIndex]
+  if (!feedSource.feedVersions) {
+    return { projectIndex, sourceIndex, versionIndex: -2, errorIndex: -2 }
+  }
+  const versionIndex = feedSource.feedVersions.findIndex(v => v.id === feedVersionId)
+  if (!errorType || !feedSource.feedVersions || versionIndex < 0) {
+    return { projectIndex, sourceIndex, versionIndex, errorIndex: -2 }
+  }
+  const feedVersion = feedSource.feedVersions[versionIndex]
+  const errorIndex = feedVersion.validationResult.error_counts.findIndex(
+    e => e.type === errorType
+  )
+  return { errorIndex, projectIndex, sourceIndex, versionIndex }
+}
diff --git a/package.json b/package.json
index d428a6531..16e8d640b 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "isomorphic-fetch": "^2.2.1",
     "jszip": "^3.0.0",
     "jwt-decode": "^2.1.0",
-    "leaflet": "1.0.3",
+    "leaflet": "^1.3.4",
     "lodash": "^4.17.10",
     "moment": "^2.11.2",
     "numeral": "2.0.4",
diff --git a/yarn.lock b/yarn.lock
index 6782ecacc..bf8466c88 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5400,9 +5400,9 @@ lcid@^1.0.0:
   dependencies:
     invert-kv "^1.0.0"
 
-leaflet@1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/leaflet/-/leaflet-1.0.3.tgz#1f401b98b45c8192134c6c8d69686253805007c8"
+leaflet@^1.3.4:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/leaflet/-/leaflet-1.3.4.tgz#7f006ea5832603b53d7269ef5c595fd773060a40"
 
 left-pad@^1.2.0:
   version "1.3.0"