For clarity here are the default transport distances and modes for the trade staff / people in eToolLCD (NOTE THAT THIS LIST HAS BEEN UPDATED SINCE POSTING):

LCISource Trades or Equipment Name Default Transport Mode Default Transport Distance (kms) Max Time Increment Between Transport (hrs)
eTool Default Trade Staff (Large Elect Equipment) Trades Vehicle (No Cost) 40 16
eTool Default Trade Staff (Small Electrical Equipment) Trades Vehicle (No Cost) 30 8
eTool Default Remote Trade Staff (Small Electrical Equipment) Trades Vehicle (No Cost) 300 60
eTool Default Trade Staff (Transport Only) Trades Vehicle (No Cost) 30 8
eTool Default Tradestaff, Boiler Maker Trades Vehicle (No Cost) 50 8
eTool Default Trade Staff (No Equipment, labour transport only) Trades Vehicle (No Cost) 30 8
eTool Default Trade Staff (No Travel) Trades Vehicle (No Cost) 30 8
eTool Default Professional Labour Trades Vehicle (No Cost) 5 10
BRE IMPACT Trade Staff (Large Elect Equipment) Transport, lorry 7.5 – 16t ID8058 40 16
BRE IMPACT Trade Staff (Small Electrical Equipment) Transport, lorry 7.5 – 16t ID8058 30 8
BRE IMPACT Remote Trade Staff (Small Electrical Equipment) Transport, lorry 7.5 – 16t ID8058 300 60
BRE IMPACT Tradestaff, Boiler Maker Transport, lorry 7.5 – 16t ID8058 50 8
BRE IMPACT Trade Staff (No Equipment, labour transport only) Transport, lorry 7.5 – 16t ID8058 30 8
BRE IMPACT Trade Staff (Small Equipment, No Travel) Transport, lorry 7.5 – 16t ID8058 30 8

Some of the default distances are potentially a little inflated however there are other considerations.  In many cases the trades don’t get to spend a full 8 hours on the site (in fact I think that’s often a rarity) so they would usually make more trips than one to complete 8 hours of work.  They also often make trips during a day (or take a diversion on-route) to procure supplies.  Trades often aren’t able to choose where they work, they will take the work even if it’s not local.  So in some cases trades will be travelling these distances (or further) each trip.