GM4 Standard fitting speed paths

summon FallingSand ~ ~1.5 ~ {Motion:[0.0,-1.0,0.0],Time:1,DropItem:0,Block:redstone_block,Passengers:[{id:FallingSand,Time:1,DropItem:0,Block:activator_rail},
{id:MinecartCommandBlock,Command:setblock ~2 ~-2 ~0 command_block 5 replace {CustomName:Made,TrackOutput:0b,Command:summon FallingSand ~ ~0.5 ~ {Block:redstone_block,Motion:[0.0,0.15,0.0]}}},
{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~0 chain_command_block 5 replace {auto:1,TrackOutput:0b,Command:execute @a ~ ~ ~ detect ~ ~-0.8 ~ grass_path -1 scoreboard players tag @p add GM4_HasSpeed {ActiveEffects:[{Id:1b,ShowParticles:1b}]}}},
{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~0 chain_command_block 5 replace {auto:1,TrackOutput:0b,Command:execute @a[tag=!GM4_HasSpeed] ~ ~ ~ detect ~ ~-0.8 ~ grass_path -1 effect @p minecraft:speed 1 0 true}},
{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~0 chain_command_block 5 replace {auto:1,TrackOutput:0b,Command:scoreboard players tag @a[tag=GM4_HasSpeed] remove GM4_HasSpeed}},
{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4},
{id:MinecartCommandBlock,Command:"blockdata ~1 ~-2 ~ {Text2:\"{\\\"text\\\":\\\"Speed Paths\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/tellraw @p [{\\\\\\\"text\\\\\\\":\\\\\\\"[GM4] Speed Paths V2.0 Click for Commands, Updates & Info\\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"aqua\\\\\\\",\\\\\\\"clickEvent\\\\\\\":{\\\\\\\"action\\\\\\\":\\\\\\\"open_url\\\\\\\",\\\\\\\"value\\\\\\\":\\\\\\\"http://gm4.co/v/?48,2.0\\\\\\\"}}]\\\"}}\",Text3:\"{\\\"text\\\":\\\"Click For Info\\\"}\"}"},
{id:MinecartCommandBlock,Command:summon ArmorStand ~2 ~-1.9 ~ {CustomName:GM4_speedPaths,Tags:["2.0",GM4],NoGravity:1}},
{id:MinecartCommandBlock,Command:setblock ~2 ~-1 ~ redstone_block},
{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=0]}]}