One of your ideas has been delivered from your suggestion.Service Time Adjustment Factor

This factor adjusts the transit time for three types of rate services. This allows you to speed up or slow down the calculated service time by a factor. This factor only applies to External Drive, Lookup, and Simulation. The factor is configured on the Rate Service. It does NOT alter data nor is it cached. 

Service Time Adjustment Factor

Service Time Adjustment Factor

Allows you to adjust the transit times that you receive from an External Service Engine.  This padding factor can model the case where you want the driver and truck to arrive ahead of a delivery to avoid a penalty for being late. It is not a fixed amount of time but is a factor. One is the default value and the typical case is to set it to 1.05 for a 5% padding factor. Likewise, the transit can be sped up with a factor less than one. (0.95)

Steps to Enable

The configuration change is on the Rate Service.

Setup for Service Time Adjustment Factor

Setup for Service Time Adjustment Factor

Tips And Considerations

This does change times. The percentage is even for short and long hauls.