Default speed limits to mph in Puerto Rico (close #6626)

data/index.js

@@ -8,6 +8,7 @@ export { dataPhoneFormats } from './phone-formats.json';
 export { dataShortcuts } from './shortcuts.json';
 
 export { default as dataImperial } from './imperial.json';
+export { default as dataMPH } from './mph.json';
 export { default as dataDriveLeft } from './drive-left.json';
 export { en as dataEn } from '../dist/locales/en.json';
 

modules/ui/fields/maxspeed.js

@@ -1,7 +1,7 @@
 import { dispatch as d3_dispatch } from 'd3-dispatch';
 import { select as d3_select } from 'd3-selection';
 
-import { dataImperial } from '../../../data';
+import { dataMPH } from '../../../data';
 import { geoPointInPolygon } from '../../geo';
 import { uiCombobox } from '../combobox';
 import { utilGetSetValue, utilNoAuto, utilRebind } from '../../util';
@@ -57,7 +57,7 @@ export function uiFieldMaxspeed(field, context) {
             loc = childNodes[~~(childNodes.length/2)].loc;
         }
 
-        _isImperial = dataImperial.features.some(function(f) {
+        _isImperial = dataMPH.features.some(function(f) {
             return f.geometry.coordinates.some(function(d) {
                 return geoPointInPolygon(loc, d);
             });