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One key difference between USPS and UPS/Fedex is that USPS does not do freight, and they do a lot more lightweight items (i.e. letters), so cargo capacity is much less of a concern. The fact that junk mail is so common actually reduces the need for cargo capacity since their routes tend to be made long not because of physical volume/distance so much as dwell time (that is, if someone is using EDDM[0] to target a neighborhood, you have to stop at every mailbox in that neighborhood, even if it's just to deliver that one piece of junk mail which will immediately get thrown away, and this takes far more time than delivering a bundle of packages to a handful of houses).

I remember reading about the NGDV, and one of the reasons it looks so weird is because USPS wanted a vehicle that was low to the ground (to make it easier to climb in and out of) and easy to see over the hood, even for very short drivers[1]. Given that they are in residential areas (and thus, in proximity of kids playing outside) far more often than UPS/Fedex, I can't say I disagree with that requirement. (Also, if you have a tall truck like UPS and Fedex typically roll, good luck delivering to the average mailbox while staying in your seat.)

USPS has certainly evaluated more traditional designs; in fact, they are actively using ~20k Ram ProMasters (a rebadged Fiat Ducato), which are quite similar to the Mercedes Sprinter, alongside ~9k mini vans[2].

[0]: https://www.usps.com/business/every-door-direct-mail.htm

[1]: https://x.com/Nir_Kahn/status/1364465483911675905

[2]: https://www.uspsoig.gov/sites/default/files/reports/2023-01/... (PDF page 6)

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bigstrat2003 14 hours ago | parent [-]

> Given that they are in residential areas (and thus, in proximity of kids playing outside) far more often than UPS/Fedex...

That isn't the case at all in my experience. In any neighborhood I've ever lived in, you see at least one van from each organization come through daily. And if anything, UPS and FedEx come through more than once per day sometimes, whereas USPS doesn't.

Per your earlier point about freight I can imagine that UPS/FedEx have a lower percentage of company traffic in residential areas than USPS does. But I find it difficult to imagine that the total number of trips to residential areas is lower for them. They simply have more non-residential traffic than USPS, not less residential traffic.

	▲	saltminer 14 hours ago \| parent \| next [-]
		I wish there were publicly available data on this stuff, as we can only discuss anecdotes. In any case, in the neighborhoods I've lived in, it's not uncommon for UPS and Fedex to have zero deliveries at least one day of the week. If Fedex is rolling around twice in one day, it's never the same line (that is, Fedex Express vs Ground/Home; Express incurs a special surcharge for residential deliveries and thus is usually only used by companies that primarily deliver to commercial addresses or who don't care about cost). UPS is similar; usually, they only roll around in the evening, and when they roll around in the morning it's for one package with a specific delivery window obligation. During December, of course, this goes by the wayside. Even USPS will roll around twice a day on the weekends leading up to Christmas.
	▲	mulmen 9 hours ago \| parent \| prev [-]
		> That isn't the case at all in my experience. In any neighborhood I've ever lived in, you see at least one van from each organization come through daily. And if anything, UPS and FedEx come through more than once per day sometimes, whereas USPS doesn't. USPS doesn't deliver freight, UPS does. So yeah, you are going to see both in a residential setting but you won't see any USPS trucks making freight deliveries in an industrial area. UPS has to support that use case, USPS doesn't.