Tram

local Location = 1

local Junctions = {
                   {    0, 2048,    5,    9,    1,    3,   19,   51,  243,  371,  627, 1651, 3699},
                   { 2048,    0,    5,    9,    1,    3,   19,   51,  243,  371,  627, 1651, 3699}
                  }
term.clear()
term.setCursorPos(1,1)
print("                    Welcome to")
print("  Transport for Regions Around Marbleville (TRAM)")
print("---------------------------------------------------")
print("          Please select your destination:")
print()
print("ts = Train Station       pt = Processing Towers")
print("pc = Computers           ap = Advanced Processing")
print("br = Bedroom             as = Automated Storage")
print("gs = General Storage     ab = Assembly")
print("fi = Fields              rf = Refinery")
print("cp = Coal Processing     eg = Engines")
print("fs = Factory Storage")
print()
print("Please use lower case symbols for your station code (2 letters)")
local Destination_Code = read()
term.clear()
term.setCursorPos(1,1)
local Destination_Table = {"ts","pc","br","gs","fi","cp","fs","pt","ap","as","ab","rf","eg"}
local Destination = 1
while Destination_Code ~= Destination_Table[Destination] do
  Destination = Destination + 1
  if (Destination > 16) or (Destination_Code == 0) then
    print("Invalid destination code!")
    sleep(3)
    os.reboot()
  end
end
if Destination == Location then
  print("You're already there you dumbass!")
  sleep(3)
  os.reboot()
end