[SixSigma]

Even in your patent-encumbered worst-case scenario I don't think DHL et al will have much problem paying licensing fees.

Urban transport will not be HGV. City limits trans-shipment points will split packages into inner-city deliverables.

Last mile is an active area of research investment e.g. electric cargo bikes [1]

The buzz phrase in the literature is massification to atomisation [2]

[1] https://k4rgo.files.wordpress.com/2013/12/k4rgo-ups-germany....

[2] https://people.hofstra.edu/geotrans/eng/ch1en/conc1en/atomiz...