find best road based on geolocation

Hello i want to tell user that restaurant is about to come in 200-500 m please slow down.For implementing this my thought was:

Map all resturant to some point on some road?(Assuming this is done)
Find on which road using is traveling based on geolocation?

Now for second i need to find way to determine the road based on geolocation.Also i think i need to know the direction of road to determine road.

please suggest how can i achieve this.

After determining road and point on road , direction of road, i need a way to find the resturants point which are in the forward direction of the road.

Please suggest how can i do this using postgis and osm data

best road

asked 26 Apr '18, 11:49

two10
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accept rate: 0%

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question asked: 26 Apr '18, 11:49

question was seen: 722 times

last updated: 26 Apr '18, 11:49

find best road based on geolocation

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