No trips data is missing [Car Access] variable

[audev]

In the No trips data dataset read here:

https://github.com/ITHIM/ICT-Model/blob/master/0_topflow2-2012.R#L74

the Car Access variable is empty, so it can't produce correct aggregates in:

https://github.com/ITHIM/ICT-Model/blob/master/3_CBM2_Aggregates-2012.R