Here's a long read that I Googled up from my home province, Ontario, a discussion about severe congestion in the GTHA (Greater Toronto-Hamilton Area), severe congestion that I believe will be proportionally experienced by HRM quite soon if transportation modal share problems, land use planning problems (regardless if it's urban, rural, wilderness, etc.), and transportation infrastructure deficits are not resolved
soon.
Legislative Assembly of Ontario - Traffic Congestion (It's a rather scary read from a traffic perspective)
Many of the issues discussed in the link below actually have a fair bit of parallels with the severe congestion on key road routes within HRM, especially the Halifax Harbour Bridges, Bayers Road, Armdale Roundabout, Bedford Highway, Magazine Hill, Main Street (Dartmouth) and Portland Street (Dartmouth).
http://www.ontla.on.ca/web/committee-pro...ness=Traffic+congestion&DocumentID=26793
HRM is already acting like a "House of Cards" where if one major traffic lane on a route entering or exiting the Peninsula is lost due to an incident, or even on other key routes, such a Magazine Hill in Bedford or Portland Street in Dartmouth, you could suddenly find a 15 minute commute turning into a 90 minute commute, even if you try to bypass the incident zone that's in progress. Given the "House of Cards" effect we have here in Halifax Metro, I'd say the a good chunk of the issues discussed in the link above are already happening here in spite of Halifax Metro having a much, much smaller population base than the GTHA. In a couple of cases, such as the Halifax Harbour Bridges, in terms of delay minutes per person, congestion delay often gets worse than what the typical commuter would experience in the GTHA due to poor road network redundancy relative to the current traffic demand with Halifax Metro along with lack of a network of dedicated rights of way for other transport modes and critical services, such as transit rights of way or lanes for heavy-truck goods shipping.
MacDonald Bridge (Short Term Action)
First off, maybe we should look at having an HOV lane implemented on the existing MacDonald Bridge. Even though this will gridlock SOV traffic in peak hours during initial phase-in, the MacDonald Bridge is the biggest and busiest "linch pin" of the entire Metro Transit system,
a linch pin that needs to be freed up NOW if we are to expect more people to divert to Metro Transit. Due to the MacDonald Bridge's approach design in Dartmouth, a mix of boothed and "boothless" tolling is not feasible. Therefore, full electronic tolling with Ontario-Highway-407-style licence plate cameras for non-Macpass users will need to be looked at if toll booth removal is carried out on the MacDonald Bridge.
Mackay Bridge (Short Term Action)
For the Mackay Bridge, removing the toll booths and implementing all-electronic tolling may help, but only for a couple of years before its resumes being overloaded in peak hours. For the Mackay Bridge, due to its likely higher exposure to non-Macpass traffic as a result of being on a 100-series highway, I believe the Bridge Commission should look at a hybrid between "boothless tolling" and boothed tolling instead of only looking at "boothless" tolling, where all of the narrower car-only booths nearer to the centreline of Mackay Bridge/Highway 111 (four booths in each direction) should be demolished and replaced with two MacPass/licence-plate-camera actuated Express Toll Lanes while the outer truck-friendly booths are retained for those who want to pay tolls manually.
In order to do this, the Mackay toll plaza funnel would need to be restructured like the way the Saint John Harbour Bridge merge area was after its booths were demolished (to keep mainline traffic from overspeeding the resultingly short available merge length from Prince Margaret Boulevard and the remaining booths when free flow "express toll" lanes are stood up).
Saint John Harbour Bridge Traffic Calming
http://www.cbc.ca/news/canada/new-brunswick/harbour-bridge-gets-speed-deterrents-1.1068170
Collector-Distributor Lane Option for Highway 111 Between the Mackay Bridge and Victoria Road
A collector-distributor (a.k.a express-collector) system may need to be looked at for Highway 111 between the booths and the Victoria Road interchange, which will necessitate the "de-clovering" of Victoria Road's interchange (unless if that interchange were to get a wider, longer bridge structure). Highway 111's bridge over Windmill Road will need to be "widened" to allow for the collector lanes to be built. An collector-distributor system may allow an "Express Toll" lane system to operate at the speed limit of the Mackay Bridge structure itself, 70km/h without the need for Saint-John-style freeway traffic calming, even with toll booths remaining on the collector lanes.
Closing Comments
Overall, the short term "breathing room" for the Halifax Harbour Bridges that would be created by the interim actions listed above should be used wisely. This temporary "breathing room" should be used to complete planning and funding build-up for sustainable infrastructure expansion and improvement (modal-share-balance-inducing construction), overhaul land-use planning throughout all of HRM and overhaul Metro Transit.
Regards,
Richard Kannegiesser