diff --git a/src/main/java/org/mtransit/parser/DefaultAgencyTools.java b/src/main/java/org/mtransit/parser/DefaultAgencyTools.java
index e1c6120..3aa15ae 100644
--- a/src/main/java/org/mtransit/parser/DefaultAgencyTools.java
+++ b/src/main/java/org/mtransit/parser/DefaultAgencyTools.java
@@ -118,6 +118,7 @@ public class DefaultAgencyTools implements GAgencyTools {
 	private static final Integer OVERRIDE_DATE;
 
 	static {
+		//noinspection SpellCheckingInspection
 		OVERRIDE_DATE = null; // yyyyMMdd
 	}
 
@@ -466,13 +467,13 @@ public Long convertRouteIdFromShortNameNotSupported(@NotNull String routeShortNa
 	@Nullable
 	@Override
 	public Long convertRouteIdNextChars(@NotNull String nextChars) {
-		return null;
+		return Configs.getRouteConfig().convertRouteIdNextChars(nextChars);
 	}
 
 	@Nullable
 	@Override
 	public Long convertRouteIdPreviousChars(@NotNull String previousChars) {
-		return null;
+		return Configs.getRouteConfig().convertRouteIdPreviousChars(previousChars);
 	}
 
 	@Override
@@ -568,10 +569,19 @@ public boolean tryRouteDescForMissingLongName() {
 		return false; // OPT-IN feature
 	}
 
+	@Override
+	public boolean removeRouteIdFromRouteLongName() {
+		return Configs.getRouteConfig().getRouteLongNameRemoveRouteId();
+	}
+
 	@NotNull
 	@Override
 	public String getRouteLongName(@NotNull GRoute gRoute) {
 		String routeLongName = gRoute.getRouteLongNameOrDefault();
+		//noinspection DiscouragedApi
+		if (removeRouteIdFromRouteLongName() && routeLongName.equals(gRoute.getRouteId())) {
+			routeLongName = "";
+		}
 		if (tryRouteDescForMissingLongName()
 				&& org.mtransit.commons.StringUtils.isEmpty(routeLongName)) {
 			routeLongName = gRoute.getRouteDescOrDefault();
@@ -1205,13 +1215,22 @@ public String getStopOriginalId(@NotNull GStop gStop) {
 		return null; // only if not stop code or stop ID
 	}
 
+	@Override
+	public boolean useStopIdHashCode() {
+		return Configs.getRouteConfig().getUseStopIdHashCode();
+	}
+
 	@Override
 	public int getStopId(@NotNull GStop gStop) {
 		try {
 			//noinspection DiscouragedApi
+			final String gStopId = gStop.getStopId();
+			if (useStopIdHashCode()) {
+				return Math.abs(gStopId.hashCode());
+			}
 			final String stopIdS =
 					useStopCodeForStopId() ? cleanStopOriginalId(getStopCode(gStop))
-							: gStop.getStopId();
+							: gStopId;
 			if (!CharUtils.isDigitsOnly(stopIdS)) {
 				final Integer stopIdSInt = convertStopIdFromCodeNotSupported(stopIdS);
 				if (stopIdSInt != null) {
diff --git a/src/main/java/org/mtransit/parser/config/gtfs/data/RouteConfig.kt b/src/main/java/org/mtransit/parser/config/gtfs/data/RouteConfig.kt
index 926855e..59c250a 100644
--- a/src/main/java/org/mtransit/parser/config/gtfs/data/RouteConfig.kt
+++ b/src/main/java/org/mtransit/parser/config/gtfs/data/RouteConfig.kt
@@ -23,6 +23,10 @@ data class RouteConfig(
     val useRouteIdForRouteShortName: Boolean = false, // OPT-IN feature
     @SerialName("route_short_name_to_route_id_configs")
     val routeShortNameToRouteIdConfigs: List<RouteShortNameToRouteIdConfig> = emptyList(),
+    @SerialName("route_id_next_char_configs")
+    val routeIdNextCharConfigs: List<RouteIdCharToRouteIdPartConfig> = emptyList(),
+    @SerialName("route_id_previous_char_configs")
+    val routeIdPreviousCharConfigs: List<RouteIdCharToRouteIdPartConfig> = emptyList(),
     // short-name
     @SerialName("use_route_long_name_for_missing_route_short_name")
     val useRouteLongNameForMissingRouteShortName: Boolean = false, // OPT-IN feature
@@ -35,6 +39,8 @@ data class RouteConfig(
     val defaultRouteLongNameEnabled: Boolean = false, // OPT-IN feature
     @SerialName("route_long_name_cleaners")
     val routeLongNameCleaners: List<Cleaner> = emptyList(),
+    @SerialName("route_long_name_remove_route_id")
+    val routeLongNameRemoveRouteId: Boolean = false, // OPT-IN feature
     // colors
     @SerialName("route_colors")
     val routeColors: List<RouteColor> = emptyList(),
@@ -81,6 +87,8 @@ data class RouteConfig(
     val stopCodeToStopIdConfigs: List<StopCodeToStopIdConfig> = emptyList(),
     @SerialName("stop_code_prepend_if_missing")
     val stopCodePrependIfMissing: String? = null, // optional
+    @SerialName("use_stop_id_hash_code")
+    val useStopIdHashCode: Boolean = false, // OPT-IN feature
     @SerialName("stop_headsign_remove_trip_headsign")
     val stopHeadsignRemoveTripHeadsign: Boolean = false, // OPT-IN feature
     @SerialName("stop_headsign_remove_route_long_name")
@@ -102,6 +110,14 @@ data class RouteConfig(
         val routeId: Long,
     )
 
+    @Serializable
+    data class RouteIdCharToRouteIdPartConfig(
+        @SerialName("char")
+        val char: String,
+        @SerialName("route_id_part")
+        val routeIdPart: Long,
+    )
+
     @Serializable
     data class RouteIdToRouteShortNameConfig(
         @SerialName("route_id")
@@ -154,6 +170,14 @@ data class RouteConfig(
         this.routeShortNameToRouteIdConfigs
             .singleOrNull { it.routeShortName == routeShortName }?.routeId
 
+    fun convertRouteIdNextChars(nextChars: String) =
+        this.routeIdNextCharConfigs
+            .singleOrNull { it.char == nextChars }?.routeIdPart
+
+    fun convertRouteIdPreviousChars(previousChars: String) =
+        this.routeIdPreviousCharConfigs
+            .singleOrNull { it.char == previousChars }?.routeIdPart
+
     fun getRouteShortNameFromRouteId(routeId: String) =
         this.routeIdToRouteShortNameConfigs
             .singleOrNull { it.routeId == routeId }?.routeShortName
diff --git a/src/main/java/org/mtransit/parser/gtfs/GAgencyTools.java b/src/main/java/org/mtransit/parser/gtfs/GAgencyTools.java
index 334b15a..05a7931 100644
--- a/src/main/java/org/mtransit/parser/gtfs/GAgencyTools.java
+++ b/src/main/java/org/mtransit/parser/gtfs/GAgencyTools.java
@@ -141,6 +141,8 @@ public interface GAgencyTools {
 
 	boolean tryRouteDescForMissingLongName();
 
+	boolean removeRouteIdFromRouteLongName();
+
 	@NotNull
 	String getRouteLongName(@NotNull GRoute gRoute);
 
@@ -277,6 +279,8 @@ public interface GAgencyTools {
 
 	boolean excludeStopTime(@NotNull GStopTime gStopTime);
 
+	boolean useStopIdHashCode();
+
 	// STOP
 	int getStopId(@NotNull GStop gStop);