this small triangle looks like a glitch... is it real?

node/7003160627/history
railway=station and other tags were deleted

45MPH/50MPH transition point

onosm.org submitted note from a business:
Name: Backcountry Health
addr:housenumber=12201
addr:street=Industry Way
addr:city=Anchorage
addr:postcode=99515
Phone number: 9077202132
Website: https://www.backcountry.health/
Social Network: @backcountryhealth
Opening Hours: Mo-Th 9am-5pm F 9am-3pm
Wheelchair accessibility: yes
Category: Chiropractors
Accepted payment methods: Cash,American Express,Mastercard,Visa
takeaway=no

This place needs a name

SP

Roads need to be aligned.

The Kisaralik River is disconnected here. Seems like an obvious fix but satellite differs drastically from the map so I don't want to affirm any other errors that might be here.

presumably these two unnamed rivers flow into the Kisaralik River?

If so they should connect to it, see https://waterwaymap.org/#map=16.22/60.783948/-160.68498&tiles=planet-grouped-ends to understand why