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Old 2nd February 2024, 18:25   #1
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Exiting a highway into the service lane (and vice versa) | Rules Vs Best Practices

A BHPian who prefers to remain anonymous on this thread for personal reasons, sent me a PM asking for clarification regarding road rules and what to do, relating to exiting a highway into a service lane, and vice versa. His initial PM said:
Quote:
I discovered that you're very knowledgeable about traffic rules. I have described a few traffic scenarios below. Could you please explain how one is supposed to exit or enter the highway in those cases? I would appreciate if you could additionally include the Indian road rules applicable in each case.
I wrote back to him saying: The scenarios you've described are important, but the answer & explanation for each scenario would be too long and time-consuming without diagrams and pictures/videos, which are difficult to incorporate in a PM.

I'd suggest you start a new thread in the Road Safety section, and I'll respond there when I get some time. Also, you'll get inputs from other people, and many more will benefit from the public thread.


This discussion would certainly benefit many thousands of folks reading this thread, so it would be ideal to discuss this in the public forum.

So the member sent me the following text and pictures (on Imgur), saying, Could you please quote the following and upload it on the Road Safety forum...

He writes:
Quote:
I am writing to know the proper way to exit a highway and enter the service lane that runs parallel to it, and vice-versa. I have illustrated four possible scenarios here which I refer to as cases 1,2,3,4 below.
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Exiting a highway into the service lane (and vice versa) | Rules Vs Best Practices-scenrio-4.png

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Exiting a highway into the service lane (and vice versa) | Rules Vs Best Practices-scenario-14.png
Quote:
Short description of the cases:
1. S-intersection
2. Exit ramp
3. Parallel service road with small area to wait (illustrated in yellow)
4. Same as above but without any area to wait.

Could you please answer the following questions with regards to the Driving Regulations under section 118 of the MV Act:

1. Consider the area of road that connects the highway and the service road. For example, that piece of road would be the exit ramp in case (2) and the yellow region in case (3). The MV Act mentions that at intersections, if two roads are of the same category, the vehicle on the right has the right of way.

In that regard, I would like to know if that piece of road is of the same category as the service lane or the highway. Please answer for each case.

2. Continuing with the previous question, how does the law, and in particular, the Driving Regulations define those areas - are they intersections? Do regulations 9 (Precautions to be taken at intersections) and 15 (Merging in Traffic) apply? Please answer for each case.

3. Consider case (1). There, the exit from the highway requires a dedicated left turn while the entry to the service road requires a dedicated right turn. However, in cases (3) and (4), the left/right turns are more subtle if not a left-turn throughout until the steering is turned right at the last moment to straighten the vehicle: are those treated as turns or merging, or both? Would you say case (3) involves a left-turn and then a right-turn or only a left-turn, or neither?

4. The MV Act mentions that vehicles on the right have the right of way at intersections when the roads are of the same category (reg. 15.2), that vehicles exiting a minor road and entering a major one will have the right of way if its on the right (reg. 9.2) and the same Act also mentions that while taking a left-turn, the slow moving traffic on the left has to be allowed (sub reg. 8.1.e). Consider cases (3) and (4) where the exit from the highway requires a continuous left-turn. If the service lane is uni-directional, don't the first two regulations contradict with the last sub-regulation?
Section 15.2
Exiting a highway into the service lane (and vice versa) | Rules Vs Best Practices-section-15.2.png

Section 9.2
Exiting a highway into the service lane (and vice versa) | Rules Vs Best Practices-section-9.2.b.png

Section 8.1.e
Exiting a highway into the service lane (and vice versa) | Rules Vs Best Practices-section-8.1.e.png

Quote:
5. Consider case (2). It's a straight exit ramp and one requires no turn as such when the service road is uni-directional. Which regulations of the MV Act describe the right of way here (especially if the service lane is not wide enough)?

6. Continuing with the previous question, for each of the four cases, consider the service roads to be uni-directional. Who then has the right of way while exiting the highway and entering the service road, and vice versa?

7. Ditto above question, but consider the roads to be bi-directional.
Just to reiterate, please mention the relevant regulation (or the lack of it) from the MV Act in each answer.

This is inspired by a similar post (Service road users expect vehicles exiting a 90 km/h highway to wait for them to pass?) made by a fellow T-BHPian @Ayson.

Thank you.
Now, I do know the rules (which are broadly similar across most countries), but have not memorized the specific sections and subsections of the Motor Vehicles (Driving) Regulations, 2017.

However, despite such rules existing, we are also aware that 99% of drivers do not know, or do not follow them, whether wilfully or out of sheer ignorance / negligence. In that situation, highlighting the best practices that can be followed in the name of road safety and to avoid crashes in such situations, would also be the purpose of this thread.

Therefore, let the discussions begin. I shall write down my inputs at a convenient time.

Last edited by Aditya : 7th February 2024 at 13:25. Reason: As requested by McQueen
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Old 2nd February 2024, 20:19   #2
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Re: Exiting a highway into the service lane (and vice versa) | Rules Vs Best Practices

Nice thread, knowledge is indeed power here’s my 2 paisa;

Wherever merging and exiting is supposed to be done, there should be sign for Give way. Unfortunately I have never seen “give way” sign on our roads, then how come we can expect a common Joe to know the rules of merging and exiting. Even getting a DL is farce. (Tough for people to understand basic rules of the game) Things become quite easy if there are proper signboards. Trust me till I was driving in India, I never knew that I have to completely stop at stop sign (I’m talking about the time some 10 years ago. New expressways might have, but cities, I don’t think so), cuz I never saw one. And Stopping at intersections/junctions etc etc is taken as a sign of weakness.

In general, We cannot give a hard copy of standard to the guy who’s not educated to understand the laws. That’s why there are road signages.

The same guy who asked you the doubts would have been clear, if road signages and marking would have been as per the standard and he would be seeing it while growing up and while driving day in and day out. Practical knowledge goes into subconscious mind forever. Else wrong habits get inculcated which are difficult to let go.

I think in our country, all these rules come into play only and only when someone gets involved in a wreck and we need to point finger or blame someone. Till then no one in general gives a two hoot about it.

Last edited by NomadSK : 2nd February 2024 at 20:27.
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Old 3rd February 2024, 11:38   #3
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Re: Exiting a highway into the service lane (and vice versa) | Rules Vs Best Practices

I humbly submit that the rules relating to exiting the highway are not relevant in India. It is futile to expect adherence and therefore we can leave the rule book to one side and consider what is practically the safest way to exit the highway. My suggested approach is

Preparation - I am assuming that preparatory action has been taken well in advance of the manoeuvre - checking all mirrors, moving to the left most lane at least 500 (maybe more) metres before the exit, switching the left turn signal on, gently lowering speed while constantly checking the IRVM to see whether any vehicles are coming at speed behind.

Manoeuvre - In the case of 1,2 and 3, if it is safe to exit (no vehicles in the vicinity), then exit at a safe speed, go left on the service road and cancel the turn signal. But it is a rare situation when there would be no vehicles in the vicinity. A particular lookout is required for vehicles (especially two wheelers) coming on the wrong side on the service road - it is universal in India that traffic flows both sides on a service road. Another danger is a parked vehicle on the service road right at the highway exit; a common occurence. It is therefore almost safer to gently crawl or even stop at the wait areas (in cases 1, 2 and 3) to check all this before entering the service road.

The riskiest is Case 4, where there is no wait area. In such a case I would suggest checking mirrors that there is no vehicle coming behind as well as no slow moving truck in the rightmost lane (a faster vehicle coming behind in the rightmost lane WILL swing left to overtake the truck. If there are no such vehicles for a good distance, then the same manoeuvre as for Cases 1,2,3 can be done I suggest. But if there are vehicles, then it is safer to skip the turning and go straight on. The riskiest option would be to stop on the highway left most lane waiting for the service road to clear or to dart in to the service road. It is an entirely moot point that such exits should not be there in the first place.

I also suggest to be on the watchout for two wheelers coming on the wrong side in the highway and wanting to enter the service road and continue on the wrong side (basically the exact opposite of what we are trying to do). Service roads near villages or towns, which are the bulk of service roads in any case, are very likely to have this problem.

This is of course just a road user's view. Keen to see SS-Traveller's expert opinion.

Last edited by Secretariat : 3rd February 2024 at 11:39.
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Old 4th February 2024, 09:31   #4
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Re: Exiting a highway into the service lane (and vice versa) | Rules Vs Best Practices

The biggest problem is very poor road design in India. In the U.K. entry and exit lanes on highways and motorways are well marked. Signage begins 1.6kms before the junction, then 700 metres, 500 metres, with the final 300 metres counting down with signs every 100 metres. The entry/exit lanes (slip roads) are designed to allow plenty of time and distance to safely exit or merge onto the highway.
The slip road onto the highway is really an acceleration lane allowing you to match speed with the highway traffic before joining. Likewise the exit lane is a deceleration lane meaning that you leave the highway at the same speed and then gradually slow down.
Most dual carriage ways and motor ways have a speed limit of 96kmh for trucks and buses and 112kmh for cars and 2 wheelers.(except Scotland),

I have made a rough conversion from miles to kms so figures are not exact.

Last edited by Redex : 4th February 2024 at 09:41.
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Old 5th February 2024, 10:57   #5
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Re: Exiting a highway into the service lane (and vice versa) | Rules Vs Best Practices

Right of way makes sense when the other drivers also understand why I had given them way.
While exiting expressways or highways, I always look at traffic on the service lane as I drive parallel to them and adjust my speed accordingly and merge without making them brake.
If the traffic is heavy, I would use the next exit and do a turn.
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Old 5th February 2024, 11:52   #6
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Re: Exiting a highway into the service lane (and vice versa) | Rules Vs Best Practices

As someone mentioned above, we should not call our highways as expressways or freeways. An exit or entry should not be a service road.

When you exit a highway with high speeds, you should not be expecting to look for other vehicles from behind or next to you in service lane as you. Same for entry where you need to speed up to merge into highway.

Yielding is easier when you are at same speed and some minor adjustment will help you to merge instead of slowing down and causing issues backwards on highway.
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Old 7th February 2024, 21:54   #7
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Re: Exiting a highway into the service lane (and vice versa) | Rules Vs Best Practices

Quote:
Originally Posted by SS-Traveller View Post
I shall write down my inputs at a convenient time.
So here's my input on how to handle Case 1 (which has been described by the BHPian asking, as an S-Intersection), irrespective of (but not breaking) anything the MVDR Rules might say about how to negotiate this.

Exiting a highway into the service lane (and vice versa) | Rules Vs Best Practices-situation-1.jpg

In my experience, this kind of H-shaped connection to the service road from the highway usually means the service road is a both-way road, and both up and down traffic would be present on it.

For the red car to exit the highway, it needs to be in the left lane. At Position A, the driver should be
(i) scanning the service road to watch for volume and direction of traffic in the service road across the green verge;
(ii) checking his mirrors for traffic coming up fast behind him;
(iii) switching on his left indicator (approximately 300m before the turn);
(iv) slowing down; and
(v) pulling his car over to the extreme left of the left lane (or into the emergency lane, if there is one on the highway), to reach Position B.

From Position B, he executes a left turn to get to Position C, where he
- stops - it is important to do that, because one is slowing down to lower speeds after coming off a fast drive on the highway, and reorientation is necessary;
- observes traffic flow on the service road;
- turns on his indicator for the intended turn;
- then proceeds to join the service road in whichever direction he intends to travel, once the road is clear.

Just make sure first that the service road is not uni-directional. Don't take my words as the gospel truth, that such connectors indicate a both-way road!

We'll discuss the other scenarios in a few days...

Last edited by SS-Traveller : 7th February 2024 at 21:58.
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Old 8th February 2024, 20:03   #8
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Re: Exiting a highway into the service lane (and vice versa) | Rules Vs Best Practices

Quote:
Originally Posted by SS-Traveller View Post
A BHPian who prefers to remain anonymous on this thread for personal reasons, sent me a PM asking for clarification regarding road rules and what to do, relating to exiting a highway into a service lane, and vice versa. His initial PM said:

.....
Hi, i had a thread opened on this topic a while back. If such a thing is possible please merge that thread here.

https://www.team-bhp.com/forum/road-...em-pass-2.html (Service road users expect vehicles exiting a 90 km/h highway to wait for them to pass?)
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Old 5th March 2024, 16:13   #9
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Re: Exiting a highway into the service lane (and vice versa) | Rules Vs Best Practices

Quote:
Originally Posted by SS-Traveller View Post
...this kind of H-shaped connection to the service road from the highway usually means the service road is a both-way road, and both up and down traffic would be present on it.
One thing that stood out in my Dubai Driving Licence Experience is all merging roads is one way merge only.

1) Highway to service road merge - then the service road will have a YIELD or a STOP sign, it is the responsibility of the service road to allow the highway traffic to exit service road. (Stop sign perpendicular to service road, just before the merge gap)

2) Service road to Highway Merge - no right turn (LHD) into service road, thus on the service road car can merge out onto highway - but the STOP sign is parallel to highway and service road, again it is responsibility of service road car to merge safely and not make the highway car slowdown.

But both 1 & 2 is not applicable in Indian roads. It is to upto each one to judge the situation and not stop a fast car behind you nor make a equally overspeeding bike or car in the service road. Either slow down considerably safely far from the median gap and ensure no one rear ends you or side swipes your car.

YIELD - and automatically half the problems in Indian roads will vanish.
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