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[Bobby5280]

They're at least going to have the land available to make the I-11/I-40 interchange in Kingman a complete "Y" interchange.

I wouldn't think hurricane evacuation routes would be important for NW AZ. When I was a kid my dad was stationed at MCAS Yuma; we were close enough to the Gulf of California that we experienced tropical storm force winds a couple times via hurricanes coming ashore in Baja California and moving into Arizona. Still, it wasn't all that big a deal compared to other far more hurricane-prone places we lived.

[Sub-Urbanite]

It's 12 miles shorter and slightly faster for them to go to Vegas via Needles rather than Kingman.

People driving from Lake Havasu or Parker up to Vegas might save a few miles going by way of Needles and US-95. But here's a couple important points:

Gasoline in that part of Arizona is quite a bit less expensive than it is on California's side of the Colorado River. And fuel prices in NW AZ are still less than the prices in Southern Nevada.

All of existing US-93 between Kingman and the Hoover Dam is 4-lane divided. And there is at least a plan for all of that to be upgraded to Interstate standards. US-95 from Needles up to the I-11 junction is a mix of 2-lane, 4-lane divided and 4-lane not-divided.

Historically, almost all the traffic between Havasu and Vegas uses I-40 and 95. All but 25 miles of that stretch are 4-lanes and the rural speed limit north of NV 163 is 75 mph. Through traffic is going to stick to the west side of the river, methinks.

[US 89]

They're at least going to have the land available to make the I-11/I-40 interchange in Kingman a complete "Y" interchange.

I wouldn't think hurricane evacuation routes would be important for NW AZ. When I was a kid my dad was stationed at MCAS Yuma; we were close enough to the Gulf of California that we experienced tropical storm force winds a couple times via hurricanes coming ashore in Baja California and moving into Arizona. Still, it wasn't all that big a deal compared to other far more hurricane-prone places we lived.

Yeah, hurricane evacuation is a non-issue in the southwest. In all of recorded history, only two storms have ever impacted Arizona with tropical storm force winds: Joanne 1972 and Nora 1997. More common is tropical remnants and moisture getting caught up in the monsoon flow, which happens several times a decade and often results in lots of severe thunderstorms and flash flooding across the southwest.