Posts Tagged hamptonroadsva

Another James River Bridge? They’ll never do it…

I’ve been skeptical that I’ll ever see a solution to the tunnel traffic mess in my lifetime, but my lack of confidence is starting to waver.  Interestingly, VDOT recently accepted a proposal from a collection of private firms to expand the existing Hampton Roads Bridge-Tunnel.  Construction would start in 2014 and finish in 2018, but tolls would be added to all three existing James River crossings.

The really interesting thing about this is the expansion studies for the HRBT completed two years ago.  Instead of adding another tunnel, “Alternative 6″ consists of a high level suspension bridge.  This bridge would have a main span of 5400 feet, making it the third longest suspension bridge in the world as well as the longest in the United States.  It would be 1200 feet longer than the Golden Gate Bridge and have the exact same clearance at 220 feet.  A bridge like that would be way more impressive than another tunnel (the previous link has some renderings).

Of course, the tunnel option is only “marginally” more expensive at $3.3 billion compared with $3.2 billion for the bridge.  The bridge would also be subject to some serious winds during hurricane season, not to mention the impact to the naval base if it were destroyed during a war.

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My Own Private Road

In several weeks, I know some friends that will be competing in a half-ironman triathlon which starts and finishes a few miles from where I live. The swim is in the James River, the bike portion goes on one of my usual bike routes, and the run goes through some trails I ran this morning. I’m not really a glutton for punishment anymore: a 1 mile swim, 55 mile bike, and 13 mile run sounds brutal, and that’s only half the distance of the standard ironman. In my present condition, I could probably do the swim and bike, but the run would finish me off. Someone wrote into the Virginia Gazette to remind everyone of the race:

Two triathlon races will be held at Jamestown on Sept. 11 and 12. There will be 1,200 competitors from all parts of the state competing. Please be patient and observe the police checkpoints along Greensprings Road and Route 5 toward the Chickahominy River, as the cycling portion will be on the roads and not the path. The race brings local revenue and money for local charities, so please show everyone what respectful citizens we are.

The fact that someone wrote in to say this is telling. I hope for the cyclists’ sake that there is a sizable police presence, for Route 5 is a magnet for road rage against cyclists. I’ve had several run-ins with drivers on different places on that course — even on the backroad portion I had someone yell at me out the passenger window and give me the finger.

Much of the problem on Route 5 stems from the adjacent bike path: before the path was installed, I never had any trouble. However, since many other cyclists and I don’t feel like hitting a pedestrian or getting clotheslined by a dog leash, we stick to the road. While we exercise responsibility by avoiding pedestrians, some drivers don’t feel like driving responsibly and avoiding cyclists, as reported in this Last Word comment:

Riding bicycles is part of living a healthy lifestyle, but ride them on safe roads where there is a bike path. Motor vehicle drivers should not have to slow down to follow behind bicyclists. If we attempt to go around them, we are crossing the yellow line, which is illegal. If we hit them, we go to jail. Ride on appropriate roads where there is a bike lane.

This attitude is very pervasive among drivers where I live: many treat the road as their personal space and are unwilling to share. Whatever happened to defensive driving? Everyone has an equal right to share the road, be it cars, trucks, bikes, or pedestrians. Some are not “more equal than others.” The attitude above makes the road a dangerous environment for everyone, including other drivers. The boilerplate “laws of physics give heavier vehicles priority/roads are designed for motor vehicles” arguments are no excuse for poor driving skills, not to mention the law. If you can’t safely handle slower (or faster) traffic, you shouldn’t be on the road. If you think bikes or pedestrians shouldn’t be on the road, then write to your state representatives to change the law, but I guarantee it will be an uphill battle.

It isn’t just a cycling problem, either: I’ve seen drivers completely ignore other cars and pedestrians, creating plenty of close calls. I’ve seen plenty of pedestrians march into traffic without a second glance. I’ve been on group rides where some people will sail through a red light. It’s time to take some responsibility. Everyone complains about traffic, but if you’re stuck in it, you’re as much to blame as anyone else.

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Bike races and “my tax dollars”

Whenever I read “my tax dollars” in a letter to the editor, I know immediately that the writer cares nothing about the common good.  Such an attitude is completely contrary to the whole purpose of taxes.  In a recent issue of the Virginia Gazette, someone angrily wrote in about how a bike race completely disrupted their life, pillaging their time and money:

Why are bike races allowed along Lightfoot and Fenton Mill roads? Bicyclists were running at a break-neck 25 mph in a 55 mph zone.

I was at this race last weekend: a lazy Saturday morning in the middle of nowhere couldn’t be a better time and place to have a bike race.  It’s so unfortunate that the author was driving one of the three cars that travel those roads every day.  The race was not a closed course, so I suppose the author/driver didn’t have the patience to quit speeding and drive carefully, especially with police around as escorts:

Who pays for those police cars? If the bicyclists pay for them, I hope there is a hefty fee to cover the gas and wear and tear on vehicles that my tax dollars bought.

The author of the above statement is living proof of why a police escort was needed in the first place. When I’ve been on the bike, I’ve been accosted countless times by people like this.  Such a person sees the road as his or her personal space: all others must bow down before them.  How dare cyclists use a road paid for with “my tax dollars.”  It’s not like the cyclists don’t pay taxes, either.  Indeed, the registration fee for the race probably included pay for the police, which is one of the reasons bike races and triathlons are so ridiculously expensive.  Of course, the letter continues with the obligatory bike path comment:

Bicyclists cry for bike lanes then don’t use them, there’s a $50 million path to Richmond that they don’t use.

I’ve already visited on how “running at a break-neck 25 mph” on a bike path is extremely dangerous to pedestrians, but the author’s emphasis is less on safety and more towards the “$50 million.”  In the end, the money arguments aren’t really about misuse of “my tax dollars,” but more about everyone else just being in the way.  Can’t we all get along peacefully?

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The government we deserve

While I was running back to my apartment, I passed an old guy on the sidewalk walking in the other direction.  The second I passed him he unleashed the nastiest gas I think I’ve ever heard in public.  I still can’t believe he actually farted at me.

A local study says that almost one third of young professional Williamsburg residents intend to leave within four years.  Although those polled stated that they liked the area, the main complaint was that the cost of living was too high and average pay was too low.  This area just isn’t geared towards younger people, especially those who are recent college graduates.  Instead, Williamsburg is focused on retirees and tourists, and those that aren’t in those groups get gassed.

Why?  Because those in the local government are mostly older or retired and own businesses that cater to tourists.  And who elects them?  A dominant contingent of older workers and retirees.  Since the most of Williamsburg thinks that anyone under the age of 30 is a nuisance, the government reflects this position.  The government and locals protest any affordable or student-oriented housing.  An effort is made by the city to prevent homeowners from renting out their properties.  The noise ordinances have been strengthened.  And of course, there’s the arcane three person rule, which effectively limits housing options for young professionals with a low income.  As a student or young professional, you either live elsewhere or live with four or more people illegally.  You just hope city officials don’t sue you or randomly inspect your residence to see if more than three unrelated people are living together.  The city council even wants to remove the 24 hour warning before inspectors show up at your residence.  What happened to the fourth amendment?

Younger people come to live in Williamsburg in two ways.  They either grew up here or graduated from William and Mary with a local job offer.  I’m more of the second category: I don’t think anyone my age would willingly move to Williamsburg unless they had existing ties here.  The environment is just too oppressive for most people my age, with plenty of animosity.

Anyone would think that a grassroots effort could be made to at least get more student friendly officials in local government.  It’s hard to do that when the voter registrar blocks student voter applications.  Recently, the registrar allowed students to register in Williamsburg, which allowed a student candidate to run for office, but enough AARP members went to the polls to ruin his day.

So here in Williamsburg, most people get what they want out of their government: preventing fewer students and younger professionals from living within the city limits.

A similar situation exists with another local government I am familiar with: Virginia Beach.  An overwhelming majority of Virginia Beach residents hate cyclists.  Though two deaths have occurred in the past two years, drivers are still bloodthirsty.  Recent efforts by cyclists to lower the speed limit on some of the more well traveled cycling routes only serves to make the driving population more enraged (the comments on these articles are insane).  The roads aren’t safe for cyclists in Virginia Beach because of high speed limits, it’s because of drivers’ attitudes.  Most drivers in Virginia Beach think no cyclist has any business being on a road, and the position of the elected government reflects that.  When a cyclist died after being hit from behind, the Commonwealth’s Attorney decided not to prosecute the driver.  Furthermore, thanks to the city council, there are no bike lanes in Virginia Beach.  A more cyclist-friendly government would promote the installation of bike lanes and provide a more friendly environment for cyclists.  Unfortunately, since most residents see bike lanes and more cyclists as an infringement of their personal space, they elect officials that share the same position they do.  As a result, we get the situation we have now, with animosity building on all sides.

We elect the government that we deserve on all levels, even at the state and federal level.  State governments are running out of money and making huge cutbacks in an attempt to balance their budgets.  California is so desperate as to hand out IOUs instead of tax refunds.  Since the federal government sees the power to tax its citizens as an indefinite line of credit, there is no mandate to balance the budget and the federal deficit is spiraling out of control.  People complain that essential government services are being cut while the federal government is incurring serious debt.  However, these people are no different than the government they deride.  With almost half of all Americans spending more than they make each year, many voters are in no position to complain: they elected a government that acts just like they do.  If people were able to make better spending decisions on an individual level, I would imagine the government they elect would do the same.

Somehow, people expect elected officials to be held to a higher standard then those that elected them.  However, those in office act the same way everyone else does, bringing along all the same weaknesses and quirks.  Though nobody in Williamsburg runs for office with the position to evict students and young professionals, it happens as a matter of course since those that vote share that belief.  Since most Virginia Beach residents are on a crusade against cyclists, elected officials end up adding fuel to the fire.  While most Americans acknowledge they have poor spending habits and wish to improve and never do, those in our state and federal legislatures do the same thing.  Don’t expect the government to save you from anything since your failures are the same as theirs.

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To Michael X of XXX Towing:

It isn’t my fault that your life sucks, so don’t take it out on me.

Today marks the third time in two months that you have nearly run me off Rochambeau Drive with your tow truck.  I don’t appreciate it: as a cyclist I am permitted to use the travel lanes in the same way as you.  You are someone who makes a living through driving, yet your level of professionalism on the road is abysmal.  While the law may look the other way when killing cyclists in your hometown of Virginia Beach, I doubt a second killing will go unpunished.

I hope you show a little more respect the next time we meet.

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Rome Trip: Lightning Strikes Twice

As I sit here back at home writing this, a lone book sits high on the bookshelf, looming over me: “What Are the Odds,” by Mike Orkin.  An apt title for the past five days, which were probably the longest five days I’ve had in quite awhile.  What are the odds that I would get screwed on the way over and on the way back from Rome?  The odds were pretty good.

The mess with the delayed flight from Norfolk keeping me home for two days was frustrating, but at least I was at home and not stuck in Philadelphia.  At least on the second attempt I made it without any problems.  After three days of walking and my SECON presentation, I was tired and jet lagged and ready to go home.  I knew that on my trip back that anything could happen.  I’ve had enough experiences with cancellations, delays, and lost bags to know that with each flight I was rolling the dice.  On this trip, my number came up twice.

I got up at 6:30 AM Rome time, or 12:30 AM in Virginia.  The train station was right across the street from the hotel, but it took almost 15 minutes of walking to get to where the train was.  There were 30 platforms, some of which were behind others, so it was quite the walk with my suitcase out to the train.  Fortunately, my dad and I bought tickets before we left at a machine so I didn’t have to waste time figuring out how to get a ticket.  One wheel of my suitcase started to come apart and made quite the racket as I dragged it around everywhere.

The train left on time and got to the airport on time.  I entered the airport terminal the same way we left and assumed that the ticket counter would be just inside.  A sign said there were concourses A, B, and C.  My dad and I arrived at C, and it appeared as though I would leave the same way.  A monitor said the flight was on time.

I tried to find the ticket counter.  There was a whole sea of them just inside from where the train dumped me out.  A directory listed all the airlines and where the ticket counters were.  It said US Airways: counter 511.  But, the ticket counters in the terminal only went from 200 to 400.  Where was 511?  Looking around in disbelief, a small, out of the way sign said US Airways ticket counters were in “Terminal 5″.  Terminal 5?  How did that line up with concourses A, B, or C?  More importantly, how does one get there?  Another small poorly placed sign announced that a bus outside would go to Terminal 5.  I went outside and found the sign for the bus and waited.  As I waited a crowd began to form by the sign.  It got bigger and bigger and the bus wasn’t coming.

Finally, the bus came and we packed in.  Half the line got left outside.  The bus wound its way all over the airport for ten minutes before arriving at the secret Terminal 5.  Since I had web check-in and printed my boarding pass at the conference, I didn’t need to stand in line.  I got my passport checked off and was put back on another bus to the terminal I started at.

When I got to the gate there wasn’t much going on but soon all the seats were packed and a large Italian family sat next to me and had a loud and heated conversation.  Some of them hovered over me as they conversed loudly.  Either the concept of personal space is nonexistent to them or they were trying to get me to leave by being obnoxious.  It was probably a bit of both: I got up and found another seat next to an American couple who complained about the only coffee in the place was a bar that served only espresso shots.  They really wanted their brewed coffee.  I didn’t blame them.

The flight back to Philadelphia left on time and arrived on time.  I had a window seat, but there wasn’t much to look at but clouds and bits of the ocean beneath.  We crossed over the Alps and parts of France, but the clouds covered most of that too.  Most of the transatlantic trips I’ve taken had the ocean blanketed by clouds.  I’m not sure why this is.

The flight was nine hours, the longest I’d ever taken, but my sister took one that was something like 16 or 18 when she went to China.  Nine was uncomfortable enough.  I watched a movie, read several hundred pages of a book, and went to sleep.  Everything cramped up.  Fortunately, the flight attendants came by frequently with drinks.

Since I was near the front of the coach section and had carried on all my bags, it was easy to get off the plane and get through passport control and customs.  I was through all that within 10 minutes, and fortunately customs did not ransack my computer looking for contraband.  I would have had quite the fit if they decided to do that.  I’m hoping these warrantless searches go to court soon.

I arrived in terminal A-West in Philadelphia, and the Norfolk flight left from at the far end of terminal F.  My dad says this is about a two mile walk.  There is a shuttle bus, but since I had been on the plane for nine hours and hadn’t run or biked in four days, I wanted the exercise.  I had to go back through security again at F, but it wasn’t too bad.  I had plenty of time: I got through customs at 3:30 Eastern time and my plane to Norfolk didn’t leave until 5.

Then the problems started.  At the gate for the Norfolk flight, it was announced that the plane would leave 30 minutes late.  A whole pile of people at the gate had missed earlier Norfolk flights and would be standing by for this one.  Fortunately, I had a seat assignment.

5:30 came and went and the plane never arrived at the gate and the agent disappeared.  Some pilots in uniform came to the gate who were commuting home and whined about the lack of agents.  With no plane and no agent, 6:00 came and went.  Then, another passenger for my flight who walked down the hall to the departures monitor said the flight was cancelled.  Panic ensued.

Getting hold of my parents, I was able to learn the reservations number from the Internet.  Apparently the plane got stuck in New York due to weather and they just decided to drop the rest of its flights.  I asked the agent about other flights.  No flights had seats through Norfolk until 3 PM the next day.  No flights had seats through Newport News until the next morning.  Despite complaining about my outbound screwup, the reservation agent said I would not be compensated for a hotel room due to weather.  The agent booked me on the early morning Newport News flight and I thought about going to one of those Special Services desks and complaining until they gave me a hotel for free.

I talked to my parents again and again, using the power of the Internet, learned that I could get to Richmond.  Surprisingly, my mom said if I could get to Richmond, she would drive the two hours to get me.  There was a plane that left at 6:25.  If I hurried, I might make it.  Unlike the Norfolk flight, this flight was a mainline flight and left from C concourse and I was in F.  I raced to the shuttle bus and got on the bus which happened to be just about to leave.

As I was on the bus, my phone rang: my adviser.  Thinking I was back home, he told me that the session chair said I had made it to the presentation and that it went well.  This was the worst time to be discussing this: I told him I was about to be stuck in Philadelphia.  He couldn’t believe it.  We talked some more about what a mess the travel was and then hung up and got off the bus.

I raced through the terminal and crashed into the check in desk at the gate for the Richmond flight.  The plane was there.  Two agents were there, one of whom told me to slow down as I mashed into the desk and my bags fell on the floor.  I told them my story about the canceled flight and my rebooking and asked if I could get on the plane to Richmond.  After a minute of typing, I got a new boarding pass and got on the plane.

The plane closed its door early and we pushed back before 6:25.  We got away from the terminal and stopped.  Out the window, the taxiways looked like a parking lot of airplanes.  They were everywhere.  The pilot got on the PA and said weather was preventing takeoffs to the north, but we were going to leave to the south.  The problem was that all the northbound planes were in the way and couldn’t move.  He sounded less than optimistic about getting out of there anytime soon.

We waited and waited some more.  A girl got up to use the bathroom.  When she came out, the whole plane smelled of cigarette smoke.  A flight attendant came by and asked if she had been smoking, of course she denied doing so.  A guy behind me said he was on a flight where someone next to him smoked in his seat and when the plane landed, the smoker was arrested.

7:00 PM came and went and we sat there, looking at the gridlock.  A few planes took off.  My legs were hurting from all the sitting.  I called home and my dad couldn’t believe I was still sitting on the taxiway.  My mom had already left for Richmond.

As we sat there and whined about the delay, I learned the guys across from me were also refugees from the Norfolk flight.  They had missed an earlier Norfolk flight and were going to stand by for mine until it was cancelled.  Like me, they had called someone to come and pick them up in Richmond and drive them back to Virginia Beach.

7:45 passed by and we had moved across a runway but were still stuck with planes in front of us.  The captain came on again and said the control tower had slowed down departures to one plane per 20 miles.  I hadn’t seen anything take off in almost an hour.  It was starting to rain.  If a storm came over the airport, that would be the end.  We would go back to the gate and hundreds of people would be spending the night in the airport, myself included.

Finally, by 8 PM, planes started taking off again at regular intervals, but the captain told us we were way back in line and it would still be another 25 minutes.  Unbelievably, my mom had already arrived at the airport in Richmond and was waiting in the terminal.  By 8:50 and after two hours of waiting, we were in the air.  Fortunately, it was a short flight and we were in Richmond by 9:30.  As we were deplaning, one of the other guys from the Norfolk flight said he was going to flip if his bags didn’t make the plane.  Good luck.

My mom met me in the Richmond terminal and it was a quick drive back with no traffic jams.  Finally, after midnight and nearly 24 hours of traveling, I was back home.  I slept like a rock and it felt great to get out on the bike this morning.

Perhaps I should write letters to US Airways and the DOT.  What this will accomplish, I don’t know.  Maybe I’ll get a small voucher to use for my next trip, which will stay well clear of Philadelphia.  There had better be direct flights to Boston when I go to WASA.  I took one when I went to IC4As in 2007, but it might be different now.  It seems that the solutions to these travel nightmares may be mitigated by:

  • Re-introducing more mainline flights.  Apparently, regional jets are more prone to maintenance issues and do not handle weather as easily.
  • Add more capacity.  With every flight oversold, one cancellation creates a huge cascade of stuck travelers that cannot be rebooked onto the next flight.  Adding more mainline flights will help this.
  • Add more point to point flights or stagger departures and arrivals at hub airports.  It seems that planes leave or arrive at a hub simultaneously, leading to huge traffic delays.  Southwest has a good model to follow for this one.
  • Reduce capacity through hub airports that are prone to weather delays.  It seems that if someone so much as spits in Philadelphia, the whole place shuts down.
  • Provide better customer service to help stranded travelers.  I only found out the plane was canceled when another passenger told me.  With no agent at the gate, the only option was to call the reservation office.  Airlines should guarantee that a passenger will arrive at his or her destination within some fixed, reasonable time period or else provide a full refund.

Fortunately, I have time to recover from this before my next plane trip in August.  If my next paper gets in to RTSS, I’ll only have to go to Washington.  Maybe in the meantime, I’ll actually be able to get back to doing research since the last couple weeks have been spent mostly dealing with this trip.

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Are you gonna repave that?

Last week I was heading out on one of my usual cycling routes only to find the pavement end abruptly with a greeting of “Loose Gravel”  from an orange sign.  The road past Richardson Millpond was gravelized, with pavement replaced by sticky wet rocks which trashed my bike.  It was impassible on a road bike, so I turned around and haven’t gone back there since.  I hope VDOT is just repaving that section, but now I’m not so sure.

Is the deterioration of our nation’s road system yet another hole in the dike of government failures?  Michigan’s transportation department is now giving up on road maintenance and turning many of its rural roads into gravel.  Is this happening in Virginia?  It sure seems like it.

A road over the dam on Jolly Pond was closed by VDOT since it decided the repairs were too costly.  A few weeks ago following a storm, another cycling route of mine was blocked with orange barriers for several days because downed trees were not removed quickly enough.  The ancient bridge over the Chickahominy on Route 5 was often closed until it was finally replaced late last year (it was a 60 mile detour).

There are plenty of rural roads in the counties surrounding Williamsburg that are in desperate need of repaving.  Occasionally, a road crew will come out and put down a patch, which often crumbles faster than the older pavement around it and only makes things worse.  There are bike lanes that I cannot ride in because the potholes are so bad.  Most of these rural roads are probably going on decades since they were last paved, which was probably also the first time they were paved.   Ironically, some of the worst sections (including the new gravelized section) are only within a few miles of a VDOT maintenance station in Croaker.  All the people and tools required to fix the crumbling roads are at hand, but it took them well over a year just to fix a giant lane-consuming pothole right at the station’s entrance.  I would go into the oncoming lane just to avoid it.

Supposedly, Virginia is getting $810 million in stimulus funds for transportation improvements, and it is also the last to request such funds.  While I don’t really agree that dumping money on everything is the best answer to aid a struggling economy, the roads in this state could really use some help.  The state had better put it to use wisely and start repaving before another Grand Canyon consumes a car on I-64.

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The Coast Guard and location prediction using Monte Carlo simulation

In the paper this morning, the front page article was on debris tracking and prediction for Air France Flight 447.  Software developed by the Coast Guard in Portsmouth is being used in the recovery effort to predict where debris is located.  Ocean currents are used along with the last known location of the plane to predict the most likely places where debris will be found.  A density map of location probabilities is shown in the article and I knew without reading it they were using Monte Carlo simulation.  This was confirmed in the article.

Using water current and Monte Carlo simulation to predict object positions in water?  This sounds really similar to our Sidewinder paper.  It’s strange enough that the people who did this debris location prediction practically live right down the block.

There are plenty of differences, though.  I would bet that the Coast Guard’s current model is much more advanced than a general group velocity with random deviations for all objects involved.  Instead of predicting debris location, we use Sequential Monte Carlo simulation to predict the location of a sink node in a mobile wireless sensor network.  The prediction is refined over multiple hops to make routing more reliable and efficient in a highly mobile environment, such as floating sensors routing data in a flood tracking application.  A similar density plot to the one provided in the paper is created at each hop for the estimated sink location.  This density plot becomes darker and smaller with each hop as the refinement occurs.  I’m guessing that the Coast Guard doesn’t use such sequential refinement.

So where’s my front page newspaper article on SMC prediction and flood tracking?

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