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the future of traffic management

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Flexibility in Supply<br />

and Demand<br />

For <strong>traffic</strong> <strong>management</strong> to be really effective,<br />

it is necessary to influence both <strong>the</strong><br />

demand and supply. At present, all road<br />

authorities have a variety <strong>of</strong> measures to<br />

accomplish this. But to take a significant<br />

step forward, <strong>the</strong> scope <strong>of</strong> <strong>the</strong>se measures<br />

should be increased.<br />

Influencing travel demand is challenging.<br />

Dynamic road pricing is a potentially<br />

effective instrument, but in <strong>the</strong> Ne<strong>the</strong>rlands<br />

deployment is limited to static<br />

5. THERE IS STIll<br />

wORk TO dO!<br />

We now understand <strong>the</strong> promise <strong>of</strong> proactive <strong>traffic</strong> <strong>management</strong> in <strong>the</strong> Ne<strong>the</strong>rlands.<br />

But we have also established that <strong>the</strong>re will be significantly more required <strong>of</strong> <strong>traffic</strong><br />

<strong>management</strong> in <strong>the</strong> <strong>future</strong>. How can we elevate <strong>the</strong> field <strong>of</strong> <strong>traffic</strong> <strong>management</strong> to <strong>the</strong><br />

next level in <strong>the</strong> coming years? What steps are needed?<br />

tolling and currently it is not deployed<br />

for <strong>traffic</strong> <strong>management</strong> purposes. There<br />

are also initiatives that reward road users<br />

for traveling outside <strong>of</strong> <strong>the</strong> peak periods.<br />

This form <strong>of</strong> pricing has been tested experimentally.<br />

It may be suitable for temporary<br />

situations, such as large-scale road<br />

construction with capacity impacts. A<br />

much broader deployable solution such as<br />

an overall kilometer charge, has thus far<br />

been proven politically infeasible. Therefore,<br />

in <strong>the</strong> short term it is appropriate to<br />

explore whe<strong>the</strong>r a limited pricing measure<br />

30<br />

such as high occupancy toll (HOT) lanes<br />

(where single occupant vehicles can pay<br />

to enter a carpool lane, with static or dynamic<br />

prices) as have successfully been<br />

implemented in <strong>the</strong> U.S., can be effective<br />

in <strong>the</strong> Ne<strong>the</strong>rlands.<br />

Ano<strong>the</strong>r way to influence demand is by<br />

providing <strong>traffic</strong> information. This way<br />

you can encourage travelers to reconsider<br />

<strong>the</strong>ir mobility behavior. The information<br />

must be <strong>of</strong> high quality and tailored to <strong>the</strong><br />

individual. Then it may be possible to encourage<br />

users to travel at a different time,

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