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Safe roads, Reliable journeys, Informed travellers
M1 Junctions 7 - 10 High Occupancy Vehicle (HOV) Lane
Presentation for PCM International Scanning Tour
15th June 2006
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Format of talk
- History of scheme to date
- Project organisation
- Proposed scheme features
- Problem areas• Empty lane fears• Eligible vehicles• Variable signing issues• Layout issues• Enforcement• Operational issues
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Scheme location plan
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• Already proposing to widen M1 from dual 3 lane to dual 4 lane standard
• 160,000 vpd now
• Rising to over 200,000 vpd by 2023
• M1 is key part of motorway network
• Introduction of HOV lane would be a very late scheme change
• Only 3 HOV schemes on local roads in UK
Background
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• July 04 Secretary of State requests HOV feasibility study from Highways Agency (HA)
• Nov 04 Initial HOV Feasibility Study report• Dec 04 M1 HOV pilot announced by Secretary of
State • Mar 05 M1 motorway widening contract awarded• Mar 06 Start of works on M1 widening J6A to 10
Scheme history
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• Jul 05 Scheme Brief for HOV lane issued by Dept for Transport (for a low-tech solution)
• Summer 05 to May 06 HOV “Before Monitoring” traffic surveys
• May 06 Draft Preliminary Designs and VISSIM micro-simulation completed (revisions ongoing)
Scheme history
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• Jun 06 Ministerial Submission summarising design proposals
• Jul 06(?) Secretary of State approval to complete HOV design and start construction
• Jan 08 (earliest) to Dec 08 (latest) Staged opening of M1 HOV Lane??
Future programme
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Project organisation
5 key strands
• Before & after monitoring
• Operational strategy
• Enforcement strategy
• Marketing & publicity
• Scheme design and safety case
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• Layout and Operation• Length: Approx. 11km (7 miles) between J7 and J10• Lane 4 – Solid white line separation and 2+ lane
marking• Non-segregated - Access and Egress at any point• Overhead gantry signing – variable signs (rotational
prisms?)• 24/7 operation of lanes
• Eligible Vehicles• Eligible: 2+cars, motorcycles, (and buses ? )• Excluded: HGVs, Single Occupancy Taxis, Towing
Vehicles
Design Features
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Traffic Flow Summary, 2006
• 2+ represents only a small proportion of all vehicles in the AM and PM peak periods (typically 8% to 15% of all traffic).
• 2+ vehicle demand is close to the 500 vehicle minimum HOV lane threshold (476 vehicles J10-J9) in 2006.
• Higher number of 2+ vehicles in the Inter Peak and especially at weekends.
• HGVs represent between 14% and 29% of all traffic on weekdays.
Current Traffic Flows
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Microsimulation Traffic Forecasts, 2008 & 2023
Forecast HOV Usage (2+ vehicles choosing to use the 2+lane)
2008 AM Peak: 300-660 vehs
2008 PM Peak: 250-630 vehs
Represents 60% of all eligible vehicles at best, but could be as low as 25%)
By 2023: 480-920 vehs (Represents 55%-70% of all eligible traffic)
Non-eligible vehicles and HOVs choosing not to use can be accommodated in adjacent 3-lanes (max. V/C ratio 0.91).
Forecast HOV usage
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No HGVsNo coaches
For vehicles with 2 or more persons &
2+2+ lane 1 m ahead²¹
No HGVsNo coaches
For vehicles with 2 or more persons &
2+2+ lane 1 m ahead²¹
No HGVsNo coaches No HGVsNo HGVsNo coachesNo coaches
For vehicles with 2 or more persons &For vehicles with 2 or more persons &
2+2+ lane 1 m ahead²¹2+2+ lane 1 m ahead²¹
Eligible vehicles
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2+2+ lane2+2+ lane
Starts
2+2+ lane
1m ahead²¹
Starts
2+2+ lane
1m ahead²¹1m ahead²¹²¹
Ends
2+2+ lane
1m ahead²¹
Ends
2+2+ lane
1m ahead²¹1m ahead²¹²¹
Ends
2+2+ lane
Ends
2+2+ lane
Signing
Rotational Prisms Signing
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2+ Lane Arrangement
First advance sign for (Lane 4) 2+ lane
Northbound >>
<< Southbound
Starts
2+2+ lane
1m aheadStarts
2+2+ lane
1m ahead
Sta
rts
2+2+la
ne
1m
ah
ea
dS
tarts
2+2+la
ne
1m
ah
ea
d
End
s
2+2+la
ne
End
s
2+2+la
ne
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2+ Lane Arrangement
Second advance sign with countdown
Northbound >>
Starts
2+2+ lane
1m ahead²¹
Starts
2+2+ lane
1m ahead²¹1m ahead²¹²¹
<< Southbound
2+ lane 2+ lane
Starts
2+2+lane
1m ahead
² ¹
Starts
2+2+lane
1m ahead
² ¹ 1m ahead
² ¹² ¹
End
s
2+2+la
ne
1m a
head
²¹
End
s
2+2+la
ne
1m a
head
²¹1m
ahe
ad²¹ ²¹
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2+ Lane Arrangement
Start of 2+ lane
Northbound >>
2+2+ lane2+2+ lane
2+2+lane
2+2+lane
<< Southbound
2+ lane 2+ lane
2+lane
2+2+la
ne2+2+
lane
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2+ Lane Arrangement
Advance sign for End of 2+ lane
Northbound >>
2+lane
Ends
2+2+ lane
1m ahead²¹
Ends
2+2+ lane
1m ahead²¹1m ahead²¹²¹
Ends
2+2+lane
1m ahead
² ¹
Ends
2+2+lane
1m ahead
² ¹ 1m ahead
² ¹² ¹
Sta
rts
2+2+la
ne
1m a
head
²¹
Sta
rts
2+2+la
ne
1m a
head
²¹1m
ahe
ad²¹ ²¹
<< Southbound
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2+ Lane Arrangement
End of 2+ lane
Northbound >>
<< Southbound
Ends
2+2+ lane
Ends
2+2+ lane
Ends
2+2+lane
Ends
2+2+lane
Sta
rts
2+2+la
ne
1m
ah
ea
dS
tart
s
2+2+la
ne
1m
ah
ea
d
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2+ Lane Arrangement
Lane 4 merges with Lane 3.
Lanes 1 and 2 continue ahead.
Northbound >>
<< Southbound
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Enforcement
A police function, but:-• Not a high priority issue• Resource intensive• Safety concerns over stopping offenders
on high speed roads• Payment for police time is contentious
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Enforcement
Automatic enforcement• Camera technology not proven
Penalties• Current regulations do not suit HOV• New legislation needed to change level of
fines (£30/£60)• Are penalty points appropriate for non
safety related offence
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Compliance
Likely solution for M1 trial:-• Occasional Police campaigns• Some Police patrols• Regular Traffic Officer patrols• Observation platforms• High visibility camera trial• Warning letters
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2+2+ lane2+2+ lane
Scenario 1: Lane 1 closed, 2+ lane opened to all traffic
Operational Issues
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5050 50 50
AccidentSlow down
2+ lane sign alerts of end of designation
Ends
2+2+ lane
1m ahead²¹
Ends
2+2+ lane
1m ahead²¹1m ahead²¹²¹
Scenario 1: Lane 1 closed, 2+ lane opened to all traffic
Operational Issues
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5050 50
AccidentSlow down
Lane 1 traffic instructed to change lanes. 2+ lane ends.
Ends
2+2+ lane
Ends
2+2+ lane
Scenario 1: Lane 1 closed 2+ lane opened to all traffic
Operational Issues
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4040 40
AccidentSlow down
Lane 1 Closed. 2+ lane open to all traffic.
Scenario 1: Lane 1 closed 2+ lane opened to all traffic
Operational Issues
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2+2+ lane2+2+ lane
6050 50 50
Congestion
Operational Issues
Issue 1: Should variable speed limits be applied?
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2+2+ lane2+2+ lane
Operational Issues
Issue 2: Should slow moving HGVs (and Buses) be banned from lane 3?
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Safe roads, Reliable journeys, Informed travellers
Any questions??
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