The ETA is shown in green, yellow or red depending on how much time is left to walk to the stop.

main.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+from curses import COLOR_GREEN, COLOR_RED
 import os
 from glob import glob
 import pygame
@@ -12,8 +13,11 @@ from arrival_times import ArrivalTime
 # The font is JD LCD Rounded by Jecko Development 
 # https://fontstruct.com/fontstructions/show/459792/jd_lcd_rounded
 TEXT_FONT = 'jd_lcd_rounded.ttf'
-LINE_COUNT = 5
-COLOR_LCD : pygame.Color = pygame.Color(244, 203, 96)
+LINE_COUNT = 6
+COLOR_LCD_AMBER : pygame.Color = pygame.Color(0xf4, 0xcb, 0x60)
+COLOR_LCD_GREEN: pygame.Color = pygame.Color(0xb3, 0xff, 0x00)
+COLOR_LCD_RED: pygame.Color = pygame.Color(0xff, 0x3a, 0x4a)
+
 COLOR_BACKGROUND = pygame.Color(0, 0, 0)
 UPDATE_INTERVAL_SECONDS = 30
 TEXT_SIZE = 160  # Size of the font in pixels
@@ -22,11 +26,17 @@ STOPS = [
     1114  # Priory Walk
 ]
 
+# Define how long it takes to walk to a particular stop
+MINUTES_TO_ROUTE = {
+    '15A': 15,
+    '54A': 9
+}
+
 # Offsets of each part within a line
 XOFFSET_ROUTE = 24
 XOFFSET_DESTINATION = 300
 XOFFSEET_TIME_LEFT = 1606
-INTER_LINE_SPACE = 0 # 1920x720 -> 0
+INTER_LINE_SPACE = -20 # 1920x720 -> 0
 
 # Some global variables
 window : pygame.Surface = None
@@ -43,7 +53,7 @@ def get_line_offset(line: int) -> int:
 
 def write_entry(line: int, 
     route: str = '', destination: str = '', time_left: str = '', 
-    time_color: Color = COLOR_LCD, text_color: Color = COLOR_LCD):
+    time_color: Color = COLOR_LCD_AMBER, text_color: Color = COLOR_LCD_AMBER):
     """ Draws on the screen buffer an entry corresponding to an arrival time. """
 
     # Step 1: Render the fragments
@@ -62,12 +72,23 @@ def update_screen(updates: list[ArrivalTime]) -> None:
     """ Repaint the screen with the new arrival times """
     updates = updates[0:LINE_COUNT] # take the first X lines
     for line_num, update in enumerate(updates):
+        # Find what color we need to use for the ETA
+        time_to_walk = update.due_in_minutes - (MINUTES_TO_ROUTE.get(update.route_id) or 0)
+        lcd_color = None
+        if time_to_walk > 5:
+            lcd_color = COLOR_LCD_GREEN
+        elif time_to_walk > 1:
+            lcd_color = COLOR_LCD_AMBER
+        else:
+            lcd_color = COLOR_LCD_RED
+
+        # Draw the line
         write_entry(
             line=line_num,
             route=update.route_id,
             destination=update.destination,
             time_left='Due' if update.isDue() else f'{update.due_in_minutes}min',
-            time_color=COLOR_LCD 
+            time_color=lcd_color
         )