Author Topic: IND-AH, IND-NH, IND-xx: India  (Read 1320 times)

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Offline Bickendan

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Re: IND-AH, IND-NH, IND-xx: India
« Reply #30 on: February 18, 2021, 03:10:09 am »
Ah, ok. Unfinished initial revision.
Internet's been down for three days because of the ice storm here, so it'll be a bit before I can fix this x.x

Offline Bickendan

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Re: IND-AH, IND-NH, IND-xx: India
« Reply #31 on: February 21, 2021, 04:29:15 am »
Traced centered, cleaned up, and tags labeled, project West Bengal:
NH 10
NH 710
Associated points/overlaps adjusted
AH 2
NH 27
NH 110
NH 17
WB 12
WB 12A

In Progress:
NH 12 (West Bengal, Bihar)
Associated points/overlaps
Kona Expressway (wholly overlaps)
Belghoria Expressway (wholly overlaps)
AH 45
AH 1
NH 16
NH 19
NH 112
NH 14
NH 312
NH 133A
NH 33
NH 31
NH 512
NH 131A
NH 27 (Bihar)
WB 1
WB 2
WB 11
WB 8
WB 14
WB 10A

In Queue:
NH 14
NH 16 (wholly overlaps with AH 45)
NH 17
NH 18
NH 19 (wholly overlaps with AH 1 and Durgapur Expressway)
NH 27 (north/east of NH 12)
NH 31
NH 33
NH 49 (wholly overlaps with AH 46)
NH 110
NH 112 (wholly overlaps with AH 1)
NH 114
NH 114A
NH 116
NH 116A
NH 116B
NH 131A
NH 133A
NH 218 (including Jarkhand segment)
NH 312
NH 314
NH 317
NH 317A
NH 327
NH 327B
NH 327C
NH 419
NH 512
AH 1
AH 2
AH 46 (wholly overlaps with NH 49)
AH 48
WB 1
WB 2
WB 3
WB 4
WB 4A
WB 5
WB 6
WB 7
WB 8
WB 9
WB 10
WB 10A
WB 11
WB 11A
WB 12
WB 12A
WB 13
WB 14
WB 15

As NH 12 and 19 wholly encompass the three named expressways in Tier 1, I am considering having them pulled in favor of the NH and AH systems. However, the Acharya Jagadish Chadra Bose Flyover/Parama Flyover expressway could be added.
Headache: Lack of street names in any of the online maps along the southern portion of NH 12. May be endemic in other routes as well.
Reaching out to a friend in Kolkata as well as to my brother-in-law to see if this is in-the-field accurate. I did note the lack of street signs when I was in Burdwan a year ago.

Offline Bickendan

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Re: IND-AH, IND-NH, IND-xx: India
« Reply #32 on: February 22, 2021, 03:53:40 pm »
I spoke with my friend in Kolkata; she said that all roads are supposed to have names.
My brother-in-law said that Google's the go-to for online mapping in India.

Sigh

Google certainly has the most accurate street traces, moreso than OSM, but they are missing so much data. And no GMSV at all.

Offline Bickendan

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Re: IND-AH, IND-NH, IND-xx: India
« Reply #33 on: February 28, 2021, 06:25:34 am »
Ok, NH 12 update.
I've done the initial revision from the southern terminus at the Bay of Bengal into Kolkata. Points have been added at approximate locations along the route per what to be access points into various villages etc, using villages and towns as the labels if the online maps don't have any at the moment. Google has had good handful added, however, which has helped.

Just to complicate things, Google claims NH 12 and WB 1 take different routes through/around Kolkata than the other maps do.

Thankfully, this is the longest route in West Bengal, longer than even the circuituous state highways.

Offline Bickendan

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Re: IND-AH, IND-NH, IND-xx: India
« Reply #34 on: February 28, 2021, 08:08:54 pm »
NH 27's a menace. Not only does it have the border hops between Bihar and West Bengal that put BC 97's with British Columbia and Yukon to shame (and by extension, NT 5 with Northwest Territories and Alberta), but NH 27 also has 6 rapid fire border hops between Assam and Meghalaya.

NH 16 has a few between Tamil Nadu and Andhra Pradesh, NH 18 and 218 both with Jarkhand and West Bengal, and NH 717B has a good handful of switchbacks crossing from Sikkim into West Bengal.

27 and 717B may wind up with sequential segment naming.