Apart from the special conditions that apply to each service, bike transport on CP has to meet the following conditions:
Bikes can be transported so long as they are disassembled and properly packed as luggage that is no larger than fits in the luggage rack or under the seats, the space corresponding to the seats you have the right to, maximum one piece of luggage per person. This transport is free.
The supports in the carriages do not have padlocks.
Lisbon – Oporto / Braga / Guimarães, Beira Alta, Beira Baixa, Alentejo (Lisbon Oriente / Évora) e Sul Intercidades trains
The 2nd class carriages on these trains have proper supports for traditional bikes, allowing 2 bikes to be taken in each carriage.
The Regional, InterRegional and Coimbra urban trains allow you to take your bike. On the platform before boarding, go to the ticket inspector, who must issue the ticket (the passenger's) and say whether the bike can go on board as the space is limited depending on the kind of rolling stock.
There are temporary restrictions on bikes on the Regional and InterRegional trains.
It is advisable to use the carriages and spaces indicated on the regional trains.
Bike transport is free every day and at all times on the Lisbon and Oporto urban trains on all lines.
You can also leave your bike at one of the bike parks at the stations on the Sintra, Cascais, Azambuja, Sado, Aveiro, Braga, Guimarães and Marco lines.
Bikes can be taken for free but are only allowed in sleeping compartments and no more than two per compartment on the condition that the compartment is sold as a family room and the bikes are properly packed and measure no more than 1.20x0.90 m.
Bikes can be carried so long as they are disassembled and properly packed so they can be taken as hand luggage, only one per passenger and the do not measure more than 120x90x40 cm.
Bikes can also be taken for free if they are not dissembled, one per passenger and a maximum of three per train. This transport is limited to the available space on the train, so it is the ticket collector who says whether you can take your bike and who issues the ticket.